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Ex: If I have money, I will buy this house. Please call me if you hear anything from Jane. If I were you, I would buy this house. If he had studied harder for this test, he would have passed it Note: Mệnh đề điều kiện có thể đứng trước hoặc đứng sau mệnh đề chính. Có thể dùng các từ sau thay thế cho If trong câu điều kiện: Provided (that), On condition (that), As long as = so long as (miễn là, với điều kiện là), Suppose = Supposing (giả sử như), In case (trong trường hợp), Even if (ngay cả khi, dù cho)…
BÁO CÁO CHUYÊN ĐỀ BỒI DƯỠNG ÔN THI THPT QG TÊN CHUYÊN ĐỀ: CÂU ĐIỀU KIỆN HỆ THỐNG KIẾN THỨC VỀ CHUYÊN ĐỀ CÂU ĐIỀU KIỆN A CONDITIONAL SENTENCES I Structures and uses of conditional sentences Type If - clause Main clause thể hành động If + S1 + V1 (simple S2+ will / can / may + V2 (inf.) có thật tương present) lai thể hành động không If + S1 + V1 (past simple) S2 + would / could/ might + V2 (inf.) có thật (be: were) thể hành động không If + S1 + had + V1 (PII) có thật khứ S2 + would / could / might + have + V2 (PII) Ex: If I have money, I will buy this house Please call me if you hear anything from Jane If I were you, I would buy this house If he had studied harder for this test, he would have passed it * Note: - Mệnh đề điều kiện đứng trước đứng sau mệnh đề - Có thể dùng từ sau thay cho If câu điều kiện: Provided (that), On condition (that), As long as = so long as (miễn là, với điều kiện là), Suppose = Supposing (giả sử như), In case (trong trường hợp), Even if (ngay khi, dù cho)… II Some variations of conditional sentences Variations of conditinal sentence type Uses If - clause diễn tả thật, quy luật, If + S1 + V1 (simple present) thói quen diễn tả mệnh lệnh, yêu cầu diễn tả lời gợi ý, khuyên răn, đề nghị yêu cầu nhấn mạnh hành động Main clause S2 + V2 (simple present) (please) (don’t) V(inf.) S2 + would like to/must/have to/should + V(inf.) xảy tương S2 + V2 (future continuous/ lai nhấn mạnh trạng thái future perfect) diễn ra/hoàn thành việc diễn tả lời đề nghị, gợi ý, If + S1 + can/may/must/have S2 + V2 (simple future) bày tỏ ý kiến mang tính lịch to/should/be going to + V(inf.) không thời gian If + S1 + V1 (present perfect) điều kiện có thật mà nhấn mạnh tính hồn tất diễn tả hành động xảy If + S1 + V1 (present continuous) Ex: - If you want to lose weight, you should some exercise - If you eat this poisonous fruit, you die at once - If we leave Hanoi for Hue today, we shall be staying in Hue tomorrow - If you are hungry, go to a restaurant Variations of conditinal sentence type If - clause Main clause If + S1 + V1 (past simple) S2 + would/should/could/might/had to/ought to + be V-ing If + S1 + V1 (past continuous) S2 + would/could + V2 (inf.) If + S1 + V1 (past perfect) Ex: - If we left Hanoi for Hue this morning, we would be staying in Hue tomorrow - If we were studying English in London now, we could speak English much better - If you had taken my advice, you would be a millionaire now Variations of conditinal sentence type If - clause Main clause If + S1 + V1 (past perfect) S2 + would/could/might + have + been V2(ing) S2 + would/could + V2 (inf.) If + S1 + V1 (past perfect continuous) S2 + would/could/might + have + V2 (PII) Ex: - If you had left Hanoi for Haiphong last Saturday, you would have been swimming in Doson last Sunday - If she had followedmy advice, she would be richer now - If it hadn't been raining the whole week, I would have finished the laundry Note: Một số từ điều kiện - even if + negative verb (cho dù ) Ex: You must go tomorrow even if you aren’t ready Whether or not + positive verb (dù có hay khơng) Ex: He likes watching TV whether or not the show is god unless + positive verb = if not (trừ phi, không) Ex: If you don’t start at once, you will be late = You will be late unless you start at once But for that + unreal condition (nếu khơng ) Ex; Her father pays her fees, but for that she wouldn’t be here ( but she is here) present điều kiện k thực My car broke down, but for that I could have come in time past simple điều kiện k thực khứ otherwise + conditional sentence ( kẻo, khơng ) - điều kiện thực hiện: We must be back before midnight, otherwise I will be locked out - điều kiện thực hiện: Her father pays her fees, otherwise she couldn’t be here present điều kiện k thực I used a computer, otherwise it would have taken longer khứ Điều kiện không thực khứ Trong tiếng Anh hàng ngày, người ta dùng or else để thay cho otherwise Provided / providing (that) / on condition that / as long as / so long as ( với điều kiện là, miễn là) Ex: You can camp here provided (that) you leave no mess Suppose/ supposing? = what if ? (giả sử sao, sao) Ex: Suppose the plane is late? = what will happen if the plane is late? - Từ nối sử dụng để gợi ý: Suppose you ask him = why don’t you ask him? What if I’m- tao (đưa thách thức) If only + simple present Ex: If only he comes in time If only he will head your advice If only + simple past Giá mà, trái với thực tế = hope that = wish that If only he didn’t smoke (but he doesn’t) If only she had come in time (but she didn’t) if only + would verb - ước sao, mong - dùng để diễn đạt ước muốn ước muốn tương lai Ex: If only he would drive more slowly (but he drives so fast) If only it would stop raining III Inversion in conditional sentences Type 1: Đảo “Should” lên đầu câu thay cho vị trí “If” If + S + V (present simple), main clause = Should + S + V ((inf.), main clause Ex: If anybody phones me, please tell them I’m busy Should anybody phone me, please tell them I’m busy Điều kiện loại có sử dụng thời hồn thành, lấy “should” thay “If” để nguyên thể hoàn thành với “have done” tất If + S + V (present perfect), main clause = Should + S + have + V(PII), main clause Ex: If she has finished the work, she can go home => Should she have finished the work, Type 2: Đảo “Were” lên đầu câu thay cho vị trí “If” * Có V “to be” If + S + were …, main clause Were + S + …, main clause Ex: If I were you, I wouldn’t that Were I you, I wouldn’t that * Có V thường: If + S + Ved …, main clause Were + S + to V, main clause Ex: If he worked more slowly, he wouldn’t make many mistakes Were he to work more slowly, he wouldn’t make many mistakes Type 3: Đảo “Had” lên đầu câu thay cho vị trí “If” If + S + had + V (P2) …, main clause Had + S + V (P2) …, main clause Ví dụ: (câu I section B mã đề 168 đề thi THPT QG 2017) She didn’t pass the exam because of her serious illness Had she not been seriously ill, she would have passed the exam Note: Đối với ba loại câu điều kiện, mệnh đề IF phủ định ta đặt NOT sau S Ex: - If you don’t believe what I said, ask your mother Should you not believe what I said, ask your mother - If she were not shy, she would have a good time at the party Were she not shy, she would have a good time at the party - If I hadn’t seen it, I wouldnt have believed it Had I not seen it, I wouldnt have believed it IV Some basic types of exercises Dạng chia động từ: - Nếu câu điều kiện cho trước mệnh đề, cần xét xem động từ mệnh đề cho sẵn thuộc loại nào, xem câu thuộc điều kiện loại mấy, dạng hay biến thể Như vậy, ta chọn động từ để hoàn thiện mệnh đề lại - Nếu câu điều kiện yêu câu ta chọn động từ để hoàn thành mệnh đề ta phải xét ý nghĩa câu xem có manh mối trước khơng để xác định loại câu điều kiện Xảy khứ chia loại 3, khơng có dấu hiệu q khứ dịch nghĩa: thấy khơng có khả khó có khả xảy dùng loại 2, có khả xảy dùng loại - Nếu câu điều kiện có sử dụng q khứ hồn thành mệnh đề điều kiện mệnh đề có từ “now” loại câu điều kiện pha trộn Ví dụ 1: (câu 21 mã đề thi 401 đề thi THPT QG 2018) If Martin were here now, he us to solve this difficult problem A would help B helps C will help D has helped Nhìn vào ví dụ ta loại hai đáp án B D Xét thấy mệnh đề điều kiện khứ nên chọn A Ví dụ 2: (câu mã đề thi 424 đề thi THPT QG 2018) If he didn’t have to work today, he his children to the zoo A will take B would take C has taken D takes Tương tự ví dụ 1, xét thấy mệnh đề điều kiện q khứ nên chọn B Ví dụ 3: (câu 22 mã đề thi 401 đề thi THPT QG 2019) We on a field trip if the weather is fine this weekend A could have gone B will go C would go D went Ví dụ 4: (câu mã đề thi 424 đề thi THPT QG 2019) If you follow my directions, you _ her house easily A would find B would have found C.found D will find Mệnh đề điều kiện đơn nên câu điều kiện loại 1, chọn đáp án D Dạng viết lại câu dùng IF: Dạng người ta cho câu riêng biệt nối với chữ như: so = that’s why, because: - Cả câu chia tương lai dùng loại (khơng phủ định) - Một bên tại, bên tương lai / dùng loại (phủ định) - Nếu có q khứ dùng loại (phủ định) Note: - Phủ định câu đề có “not” ta dùng khơng có “not” ngược lại - Nếu có “because” để if vị trí because - Nếu có “so, that’s why” để if ngược với vị trí chúng Ví dụ 1: I will go there I will buy you a dog => If I go there, I will buy you a dog Ví dụ 2: (câu 47 mã đề 402 đề thi THPT QG 2017) They were late for the meeting because of the heavy snow A If it snowed heavily, they would be late for the meeting B Had it not snowed heavily, they would have been late for the meeting C But for the heavy snow, they wouldn’t have been late for the meeting D If it didn’t snow heavily, they wouldn’t be late for the meeting Ta thấy đáp án A D sử dụng sai loại câu điều kiện, đáp án B sai nghĩa Chọn đáp án C Ví dụ 3: (câu 24 mã đề 403 đề thi THPT QG 2017) He was successful in his career thanks to his parents’ support A Had it not been for his parents’ support, he wouldn’t be successful in his career B If his parents hadn’t supported him, he wouldn’t have been successful in his career C But for his parents’ support, he wouldn’t be successful in his career D Without his parent’s support, he would have been successful in his career Ta thấy hai vế câu cho khứ nên viết lại câu điều kiện loại 3, loại đáp án A C Đáp án D sai nghĩa, chọn đáp án B Dạng viết lại câu đổi từ câu có if sang dùng unless: Học sinh cần xác định rõ Unless sử dụng để đưa giả thuyết động từ theo sau chúng chia mệnh đề if câu điều kiện, có thêm lưu ý Unless = If … not em cần lưu ý không để bị sai nghĩa câu - Nếu vế If có chứa phủ định Unless vào chỗ chữ If, bỏ phủ định, giữ nguyên vế mệnh đề Ex: If you don’t speak loudly, he won’t hear => Unless you speak loudly, he won’t hear - Nếu vế If khơng có chứa phủ định Unless vào vị trí If, đổi mệnh đề sang thể ngược lại Ex: If you study hard, you will pass the exam Unless you study hard, you won’t pass the exam Note: - Vế chứa Unless thể khẳng định - Ta thường dùng unless lời có tính chất cảnh cáo: Ex: We’ll be late unless we hurry Unless you work much harder, you won’t pass the exam Dạng viết lại câu đổi từ câu có without sang dùng if: Dùng if… not…., bên giữ nguyên (tùy theo nghĩa mà có câu cụ thể) Vế mệnh đề loại câu điều kiện loại Vế mệnh đề loại câu điều kiện loại Ex: Without your help, I wouldn’t pass the exam If you didn’t help, I wouldn’t pass the exam Dạng viết lại câu đổi từ câu có Or, otherwise sang dùng if : Dạng thường có cấu trúc câu mệnh lệnh + or, otherwise + S will … Cách làm sau:If you don’t ( viết lại, bỏ or, otherwise ) Ex1: Hurry up, or you will be late If you don’t hurry, you will be late Ex2: Ms Phương helped me a lot, otherwise I would have failed If Ms Phuong had not helped me, I would have failed Dạng viết lại câu đổi từ câu có But for sang dùng if: - Trong câu điều kiện loại 2: Dùng “if it weren’t for” cho “but for”, phần lại giữ nguyên - Trong câu điều kiện loại 3: Dùng “if it hadn’t been for” cho “but for”, phần lại giữ nguyên Ex: But for your help, I would die If it weren’t for your help, I would die 7.Các dạng câu điều kiện ám chỉ: As long as, provided, providing (that), so long as: thành ngữ có nghĩa 'nếu' hay 'trong trường hợp mà' Cách làm : Học sinh cần xác định từ nêu thường hiểu nghĩa tương đương với từ If động từ theo sau cụm từ cần chia mệnh đề phụ You can use my car as long as you drive carefully You can use my car so long as you drive carefully Travelling by car is convenient provided (that) you have somewhere to park Travelling by car is convenient providing (that) you have somewhere to park V Các tập tự giải Exercise 1: Put the verbs in correct forms using conditional sentence type 1 David will leave for Ren tomorrow if the weather (be) fine What will you if you (not / go) away for the weekend ? The game (start) if you put a coin in the slot If you (be) scared of spiders, don’t go into the garden We’ll have to go without John if he ( not arrive)…………….soon Please don’t disturb him if he (be) busy If she (accept) your card and roses, things will be very much hopeful If a holiday (fall) on a weekend, go to the beach If she (come)………………………… late again, she’ll lose her job 10 If he (wash)………………………… my car, I’ll give him $20 Keys: is not go starts are does not arrive is accepts falls comes 10 washes Exercise 2: Put the verbs in correct forms using conditional sentence type If I knew his address, I (write) to him If the sun (be) shining now, we would go to the beach If you (paint)…………….the walls white, the room would be much brighter If he knew that it was dangerous he (not come)……………………… I (buy)………………… shares in that company if I had some money If you drove more carefully, you (not have)………… so many accidents If I (be)……… you , I (not worry)……… .about going to university If I (have)…………………any money, I would give you some Mary doesn’t study hard She (not pass)……… the examination unless she worked harder 10 The man would go abroad if he (can speak)…………… japanese Keys: would write were painted would not come would buy would not have were/ would not worry had would not pass 10 could speak Exercise 3: Put the verbs in correct forms using conditional sentence type If Mary (wear)…………a raincoat, she would not have got a cold There (not have)… …an accident if the driver in front hadn’t stopped so suddenly If she had eaten something, she (not feel)……………………… hungry If I (have)………………a sound sleep last night I would have been well If it (not rain)…………yesterday we would have had lunch in t he garden If it had not been very expensive I (buy)………………………… it If the teacher (speak)…………more slowly Peter would have understood the lessons If I (have) my camera with me yesterday, I (take) a picture of Alex standing on his head The cowboy pulled his gun to shoot at the rattlesnake, but he was too late If he .(be) quicker to pull the trigger, the snake (not-bite) him on the foot 10 If you (be) more careful, you wouldn't have cut yourself Keys: had worn would not have had would not have felt had had had not rained would have bought had spoken had had/ would have taken had been / would not have bitten 10 had been Exercise 4: Choose the correct answer A, B, C or D If I the same problem you had as a child, I might not have succeeded in life as well as you have A have B would have C had had D should have I you sooner had someone told me you were in the hospital A would have visited B visited C had visited D visit more help, I would call my neighbor A needed B should I need C I have needed D I should need then what I know yesterday, I would have saved myself a lot of time and trouble over the years A had I known B did I know C If I know D If I would know Do you think there would be less conflict in the world if all people _the same language? A spoke B speak C had spoken D will speak If you can give me one good reason for your acting like this, this incident again A I will never mention B I never mention C will I never mention D I don’t mention If I had known you were asleep, I so much noise when I came in A didn’t make B wouldn’t have made C won’t make D don’t make Unless you all of my questions, I can’t anything to help you A answered B answer C would answer D are answering Had you told me that this was going to happen, I it A would have never believed B don’t believe C hadn’t believed D can’t believe 10 If Jake to go on the trip, would you have gone? A doesn’t agree B didn’t agree C hadn’t agreed D wouldn’t agree 11 J: “John went to the hospital alone”, K: “If ,I would have gone with him” A had he told me B he had told me C he has told me D he would tell me 12 If you , I would have brought my friends over to your house yesterday to watch T.V, but I didn’t want to bother you A had studied B-studied C hadn’t studied D didn’t study 13 Peter: “Did you need help with your Math last night?” Mary: “If I had needed, I you” A would call B called C would have called D will call 14 If someone in to the store, smile and say, “May I help you?” A comes B came C come D should come 15 “Here’s my phone number” “Thanks I‘ll give you a call if I some help tomorrow” A will need B need C would need D needed 16 If I didn’t work for an accounting firm, I in a bank now A work B will work C have worked D would work 17 The death rate would decrease if hygienic conditions improved A was B is C were D had been 18-The education in Japan if the basic principles of education had not been taken into consideration A would go down B would have gone down C went down D had gone down 19 If there , the rice fields could have been more productive A had been enough water B were enough water C would be enough water D are enough water 20 The patient will not recover unless he an operation A had undergone B would undergo C undergoes D was undergoing 21 If she him, she would be very happy A would meet B will meet C met D should meet 22-If he a thorough knowledge of English, he could have applied for this post A had had B had C has D has had 23 If I had enough money, I abroad to improve my English A will go B would go C went D should have go to 24.The bench would collapse if they on it A stood B stand C standing D stands 25-If it convenient, let’s go out for a drink tonight, A be B is C was D were Keys: C A B A A A B B A 10 C 11 B 12 C 13 C 14 A 15 B 16 D 17 C 18 B 19 A 20 C 21 C 22 A 23 B 24 A 25 B Exercise 5: Give the correct form of the verbs in brackets If we meet at 9:30, we (have) _plenty of time If you (find) _ a skeleton in the cellar, don't mention it to anyone The zookeeper would have punished her with a fine if she ( feed) _ the animals If you pass your examination, we (have) _a celebration Lisa would find the milk if she (look) _ for it in the fridge What (happen) _if I press this button? The door will be unlocked if you (press) _ the green button I should have voted for her if I (have) _ a vote then If you go to Paris, where you (stay) _? 10 If you (swim) _ in this lake, you'll shiver from cold 11 If someone offered to buy you one of those rings, which you (choose) _? 12 The flight may be cancelled if the fog (get) _thick 13 If the milkman (come) _, tell him to leave two pints 14 I (call) _ the office if I were you 15 Someone (sit) _on your glasses if you leave them there 16 You would hear my explanation if you (not talk) _so much 17 What I (do) _if I hear the burglar alarm? 18 If you (read) _the instructions carefully, you wouldn't have answered the wrong question 19 If Mel (ask) _ her teacher, he'd have answered her questions 20 I would repair the roof myself if I (have) _a long ladder 21 Unless they turn that radio off, I (go) _mad 22 If you were made redundant, what you (do) _? 23 We'll have a long way to walk if we (run) _out of petrol here 24 If you shake that bottle of port, it (not be) _ fit to drink 25 If you spoke louder, your classmates (understand) _ you 26 I'll probably get lost unless he (come) _with me 27 You (not have) _ so many accidents if you drove more slowly 28 If you (wear) _ a false beard, nobody would have recognized you 29 If she (leave) _ the fish here, the cat will eat it 30 You (have) _ no trouble at school if you had done your homework 31 Unless you (tell) the truth, I won’t help you 32 You'll get pneumonia if you (not change) _ your wet clothes 33 If I had known that you couldn't eat octopus, I (not buy) _ it 34 If they (hang) _ that picture lower, people would be able to see it 35 She (be) _able to walk faster if she didn’t have such high-heel shoes 36 I (bring) _ you some beer if I had known that you were thirsty 37 If you had touched that electric cable, you (be) _ electrocuted 38 If the story hadn't been true, the newspaper (not print) _ it 39 I (not buy) _ things on the installment system if I were you 40 Dan (arrive) _ safe if he drove slowly Keys: will have find had fed will looked will happen press had had will you stay 10 swim 11 would you choose 12 gets 13 comes 14 would call 15 will sit 16 don’t talk 17 will you 18 had read 19 had asked 20 had 21 will go 22 would you 23 run 24 won’t be 25 would have understand 26 comes 27 wouldn’t have 28 had worn 29 leaves 30 would have had 31 Tell 32 don’t change 33 wouldn’t have bought 34 35 would be 36 would have brought 37 would have been 38 wouldn’t have printed 39 wouldn’t buy 40 would drive Exercise 6: Rewrite the following sentences using Unless If he doesn't practice writing every day, he can't improve his writing skill => Unless If you are absent from school, you have to write a sick-note 10 => Unless If you don't study harder, you 'll get bad marks => Unless If I didn’t know the number, I would not ring her up => Unless If Peter didn’t study hard, he could not get good marks => Unless If my sister didn’t have a terrible headache ,she wouldn’t be absent from her class => Unless If she hadn’t missed the bus, she wouldn’t have been late => Unless If he hadn’t been angry, he would have say something => Unless If he hadn’t had time, he wouldn’t have read this novel => Unless 10 If your sister hadn’t gone home early last night, your mother could have waited for her => Unless Keys: Unless he practices writing every day, he can't improve his writing skill Unless you are absent from school, you don’t have to write a sick-note Unless you study harder, you won’t get bad marks Unless I knew the number, I would not ring her up Unless Peter studied hard, he could not get good marks Unless my sister had a terrible headache, she wouldn’t be absent from her class Unless she had missed the bus, she wouldn’t have been late Unless he had been angry, he would have say something Unless he had had time, he wouldn’t have read this novel 10 Unless your sister had gone home early last night, your mother could have waited for her Exercise 7: Rewrite the following sentences using conditional sentences type They are poor, so they can’t help us He doesn’t his homework He is always punished He doesn’t have enough time He can’t help me She doesn’t take any exercise, so she is overweight He doesn’t have a bicycle, so he always goes to class late I am bad at English, so I can’t homework He doesn’t practise speaking French, so he doesn’t speak it fluently The meeting can be cancelled because it snows heavily We don’t go because it will rain 10 John is fat because he eats so many chips Keys: They could help us if they are not poor If he did his homework, he would not be always punished If he had enough time, he could help me If she took some exercises, she would not be overweight 11 If he had a bicycle, he would always go to class late If I were good at English, I could homework If he practised speaking French, he would speak it fluently If it did not snow heavily, the meeting could not be cancelled If did not rain, we could go 10 If he would not eat so man chips, he would not be fat Exercise 8: Rewrite the following sentences using conditional sentences type He didn't hurry, so he missed the train We didn't go because it rained We got lost because we didn't have a map He lost his job because he was late every day The dress was so expensive She could not buy it Sue felt sick because she ate four cream cakes My brother left the car keys, so I had to pick him up at the station We didn't go on holiday because we didn't have enough money He didn't have the ticket to the game last week He wasn't be able to get in 10 Robert got a bad cough because he started smoking cigarettes Keys: If he had hurried, he would not have missed the train If it had not rained, we would have gone If we had had a map, we would not have got lost If he had not been late every day, he would not have lost his job If the dress had not been so expensive, she could buy it If she had not eaten four cream cakes, she would not have felt sick If my brother had not left the car keys, I would not have had to pick him up at the station If we had had enough money, we would have gone on holiday If he had had the ticket to the game last week, he would have been able to get in 10 If Robert had not started smoking cigarettes, he would not have got a bad cough Exercise 9: Rewrite the sentences using “If” Keep silent or you’ll wake the baby up → If ……………………………………………… Stop talking or you won’t understand the lesson → If…………………………………… ….…… I don’t know her number, so I don’t ring her up →If…………………………………… ….…… I don’t know the answer, so I can’t tell you → If …………………………………………….……… We got lost because we didn’t have a map → If …………………………………….…… …….…… Susan felt sick because she ate four cream cakes → If …………………………………………… …… Without this treatment, the patient would have died → If ……………………………………….….… He lost his job because he was late every day → If ……………………………………………… …… 12 Peter is fat because he eats so many chips → If …………………………………………………… … 10 Robert got a bad cough because he started smoking cigarettes → If ……………………………… … Keys: If you don't keep silent, you will wake the baby up If you keep talking, you won't understand the lesson If I know her number, I will ring her up If I know the answer, I will tell you If we had had a map, we wouldn't have got lost If Susan hadn't eaten four cream cakes, she wouldn't have felt sick If we hadn't had this treatment, the patient would have died If he hadn't been late every day, he wouldn't have lost his job If Peter ate less chips, he wouldn't be fat 10 If Robert hadn't started smoking cigarettes, he wouldn't have got a bad cough Exercise 10: Rewrite these sentences, using inversion with SHOULD If the Government are forced into another election, it will be the favorite to win => Should If you want to make an appointment to see Dr Simons, she is free after A.M => Should If you have further problems with your printer, contact your dealer for advice => Should If you decide to accept the post, you will be expected to start work on 1st April => Should If we hear any further news, we will be in touch immediately => Should If you wish to take advantage of the offer, kindly tick the box on your order form => Should If you change your mind, there will always be a job for you here => Should Keys: Should the Government be forced into another election, it will be the favorite to win Should you want to make an appointment to see Dr Simons, she is free after A.M Should you have further problems with your printer, contact your dealer for advice Should you decide to accept the post, you will be expected to start work on 1st April Should we hear any further news, we will be in touch immediately Should you wish to take advantage of the offer, kindly tick the box on your order form Should you change your mind, there will always be a job for you here Exercise 11: Rewrite these sentences, using inversion with WERE OR HAD If the salary were high, the job would be worth doing => Were _ Would you visit me if I were sent to prison? => Were _ I didn’t see the signal, so I didn’t stop => Had _ If I were rich, I could afford to buy an expensive car 13 => Were _ If I were you, I would tell him the truth => Were _ If he weren’t busy right now, he could help them => Were _ If she had said sorry, he wouldn’t have been angry => Had _ If the computer hadn’t broken down and I wouldn’t have had to stop my work => Had _ If he hadn’t been angry, I would have said something => Had _ 10 If his friends hadn’t been late, they wouldn’t have missed the train => Had _ Keys: Were the salary high, the job would be worth doing Were I sent to prison would you visit me? Had I seen the signal I would have stopped Were I rich and I could afford to buy an expensive car Were I you, I would tell him the truth Were he not busy right now, he could help them Had she said sorry, he wouldn’t have been angry Had the computer not broken down and I wouldn’t have had to stop my work Had I he not been angry, I would have said something 10 Had his friends not been late, they wouldn’t have missed the train Exercise 12: Choose the correct answer A, B, C or D If I …………hungry now, I…………… five sandwiches, but I’m not A am – can eat B were – can eat C were – could eat D were – will eat What would you if you …………… a lottery A win B will win C won D had won If you………………….a millionaire, you might be happy A became B will become C become D had became If you had tried your best, you…………………………the job A, will get B got C had got D would have got If he………………… late, he would have caught his bus A worked B has worked C had not worked D would work If Ken ……… the train, he would have been late for his interview A missed B has missed C miss D had missed It a pity if she married Fred A will be B would be C is D were I know I’ll feel better if I smoking A will stop B stopped C.stop D had stopped If the driver in front … so suddenly, the accident wouldn’t have happened A hasn’t stopped B hadn’t stopped C didn’t stop D don’t stop 10 If I … a lot of money now, I … .a new car A have/ will buy B have/ would buy C had/ will buy D had/ would buy 11 If I … you were in hospital, I … to see you 14 A know/ will go B knew/ would go C had known/ would have gone D knew/ would have gone 12 You are late If you …… a few minutes earlier, you …… him A came / would meet B had come / would have met C come / will meet D had come / would meet 13 I’d have gone swimming yesterday afternoon if I …… time A had B have had C had had D would have had 14 If he had told me the truth, I …… him A will not punish B would not have punished C would not punish D.would have not punished 15 If they had not given me advice, I …… again A would have failed B would fail C would have been failed D wouldn’t fail 16 If I …… a scholarship to England, my parents would be very proud of me A get B got C had got D will get 17 If there …… no floods last year, the crop …… better A had been / would have been B were / would be C had / would have been D was / would have been 18 If he worked harder, he …….now A will not be sacked B will not have been sacked C had not been sacked D would not be sacked 19 If energy …… inexpensive an unlimited, many things in the world would be different A is B will be C were D would be 20 We …… the game if we’d had a few more minutes A might have won B won C had won D will win 21 Unless you …… all of my questions, I can’t anything to help you A answered B answer C would answer D.are answering 22 If I were you, I … .… that job A would apply for B will ask for C will have changed D can take 23 If I …… a wish, I’d wish for happiness for my family A have B am having C had D was having 24 If we …… enough rain, we could have grown rice A had had B had C have had D didn’t have 25 If he … us the truth in the first place, things wouldn’t have gone so wrong A has told B had told C would have told D should have told 26 I’ll be able speak English well if I …… hard A studied B study C have studied D has studied 27 …… if I take a map A I will get lost B I will not get lost C I would get lost D I would not get lost 28 ……, I’d have told you the answer A If you asked me B Unless you asked me C You had asked me D Had you asked me 29 If you …… careful with electricity, you may get a shock A weren’t B won’t be C wouldn’t be D aren’t 30 If I ……the trick with my own eyes, I would never have believed it possible 15 A don’t see haven’t seen Keys: C C D B 11 C 12 B 16 B 17 A 21 B 22 A 26 C 27 A B didn’t see A C 13 C 18 D 23 C 28 D C hadn’t seen D B 14 B 19 C 24 A 29 D 16 C 10 D 15 A 20 A 25 B 30.C D ... dùng loại 2, có khả xảy dùng loại - Nếu câu điều kiện có sử dụng q khứ hoàn thành mệnh đề điều kiện mệnh đề có từ “now” loại câu điều kiện pha trộn Ví dụ 1: (câu 21 mã đề thi 401 đề thi THPT QG 2018)... Dạng viết lại câu đổi từ câu có without sang dùng if: Dùng if… not…., bên giữ nguyên (tùy theo nghĩa mà có câu cụ thể) Vế mệnh đề loại câu điều kiện loại Vế mệnh đề loại câu điều kiện loại Ex:... thiện mệnh đề cịn lại - Nếu câu điều kiện yêu câu ta chọn động từ để hồn thành mệnh đề ta phải xét ý nghĩa câu xem có manh mối trước khơng để xác định loại câu điều kiện Xảy khứ chia loại 3, khơng