- Date of preparing……./…. - Period 13 +14 - Date of teaching ……/…… Conditional sentences I- Conditional sentence type 1: câu điều kiện lọai 1) : có thể xảy ra ở hiện tại hay tương lai If Clause (Mệnh Đề If) Main Clause (Mệnh Đề Chính) Simple Present Tense(Thì Hiện Tại Đơn) S + V(+s/es) Simple Furure (Tương Lai Đơn) S + will/shall / can + V_inf Ex : 1. (we/not/go) …………………… out, if it(rain) ……………………………… 2. If I (have) …………………. enough time , I (write)…………………… to my parents every week * Note : Nếu mệnh đề điều kiện ở dạng phủ định “If … not” ta có thể thay bằng “UNLESS” (trừ phi), trong trường hợp này mệnh đề sau “UNLESS’ ln ở dạng khẳng định Ex: - We will be late if we don’t hurry.  We will be late unless we hurry. II-Conditional sentence type 2: câu điều kiện lọai 2: không có thật ở hiện tại hay tương lai If Clause (Mệnh Đề If) Main Clause (Mệnh Đề Chính) Simple Past Tense (Thì quá Khứ Đơn) S + V(+ed/cột 2) (be  were cho tất cả các ngôi) S + Would + V_inf(động từ nguyên mẫu) Ex : 1. I (write)…………………… to my parents If I (have)………………… enough time now 2. If Sally lived in Brighton, she (be)……………………………………………… near her parents III- Conditional sentence type 3: câu điều kiện lọai 3: không có thật ở quá khứ If Clause (Mệnh Đề If) Main Clause (Mệnh Đề Chính) Past Perfect Tense(Thì Quá Khứ Hoàn Thành) S + had + PP S + Would Have + (+ed/cột3) Ex : 1. I (write)…………… …………to my parents yesterday If I (have) ……….enough time. 2. If you (phone)…………………….me yesterday ,I (give)……………………….you the news. Exercises 1. Choose the best answer by circling A , B , C or D 1. If you fail the GCSE examination, you … not be allowed to take the entrance examination to the university. A. will B. would C. did D. are 2. If you … 5 minutes late, you won’t be able to get into the examination room. A. will be B. were C. are D. would be 3. If you … the application form after deadline, you will not be able to take the entrance exam. A. send B. will send C. would send D. sent 4. … he passes the final exam, he will apply for the Ho Chi Minh Technology University. A. Unless B. If C. As long as D. Both B and C 1 5. If she spoke English well, she … that job. A. will offer B. will be offered C. would offer D. would be offered 6. He would get mark 10 if he … again the paper. He made one mistake in it. A. read B. is reading C. reads D. will read 7. If I … get a car sick, I would go there with you. A. won’t B. don’t C. didn’t D. wouldn’t 8. I … you a letter if I had known your address. A. would have sent B. would send C. will send D. sent 9. If you … the front door carefully, the thieves wouldn’t have broken into your house. A. have locked B. locked C. would lock D. had locked 10. If I … by her, I would have come to see her while I was in Dalat. A. had invited B. had been invited C. were invited D. have invited 11, If you told us about the bad service, we would have eaten there. A. hadn’t B. don’t C. didn’t D. wouldn’t have 12, If I you were sick. I would have called sooner. A. knew B. had known C. know D. would have known 13) If there a row, I’m going to keep out of it. A. will be B. is C. were D. had been 14) If I you, I’d call and apologise. A. am B. were C. would be D. was 15) Jack will win the election if he harder. A. will campaign B. would campaign C. campaigned D. campaigns 16) If that hat costs much, I_____ a small one. A. would have bought B. will buy C. bought D. would buy 17) If you_____ more carefully, you wouldn’t have had so many accidents. A. drive B. drove C. had driven D. driven 18) If I_____ that mistake again, my teacher will get angry with me. A. make B. makes C. made D. had made 19) If I spoke English, my job_____ a lot easier. A. was B. were C. will be D. would be 20) If he_____ to London yesterday, _____ his old friend. A. went/would meet B. go/would meet C. had gone / would have met D. went / would have met 21) I will lend them some money if they_____ me. A. ask B. will ask C. asked D. had asked 22) If we had known who he was, we_____ him to speak at our meeting. A. would have invited B. have invited C. will invite D. would invite 23) My dog will bark if it_____ any strange sound. A. hear B. hears C. heard D. had heard 24) If I_____ enough money, I would buy a house. A. had B. had had C. will have D. have 25) They_____ you in if you come late. A. won’t let B. not let C. wouldn’t let D. hadn’t let 26) If you_____ away, I’ll send for a policeman. A. not go B. don’t go C. hadn’t gone D. didn’t go 27) If I_____ in your place, I would accept Mr. Anderson’s invitation. A. were B. am C. be D. was 28) If I_____ a big prize in a lottery, I’d give up my job. 2 A. win B. had won C. won D. winning 29) If I_____ you, I_____ the truth. A. is B. am C. was D. were 30) I was busy. If I_____ free time, I_____ to the cinema with you. A. have / would go B. had / will go C. had had / would have gone D. have had / go 31) Why didn’t you attend the meeting?- Oh, I did not know. If I_____, I_____ there. A. know / would come B. had known / would have come C. had known / will come D. known / had come 32) What_____ we do if they do not come tomorrow? A. would B. will C. did D. had 33) If I had enough time now, I_____ to my parents. A. would write B. write C. will write D. wrote 34) It’s too bad Helen isn’t here. If she_____ here, she_____ what to do. A. is / will know B. was / knows C. were / would know D. are / would have known 35) If I don’t eat breakfast tomorrow morning, I_____ hungry during class. A. will get B. got C. would get D. had got 36) If she_____ late again, she’ll lose her job. A. come B. comes C. came D. had come 37) I’ll let you know if I_____ out what’s happening. A. find B. finds C. found D. had found 38) If we_____ in a town, life would be better. A. live B. lived C. would live D. had lived 39) I’m sure he wouldn’t mind if we_____ early. A. arrive B. arriving C. arrived D. had arrived 40) If I won the lottery, I_____ you half the money. A. gave B. had given C. will give D. would give 41) The kitchen will look better if we_____ red curtains. A. have B. had C. had had D. would have 42) If I knew his address, I_____ round and see him. A. go B. will go C. would go D. went 43) If you_____ so busy, I would have shown you how to play. A. hadn’t been B. weren’t C. aren’t D. wouldn’t be 44) It_____ quicker if you use a computer. A. will be B. would be C. were D. been 45) If we have some eggs, I_____ you a cake. A. made B. makes C. will make D. would make 46, If he comes,……………… A. we would go to lunch. B. we will go to lunch. C. we went to lunch. 47.I would buy a new house ………………………………………. A.if I have a lot of money. B. if I had a lot of money. C.If I win the lottery. 48. If she misses the bus,………………………………… A.I will take her to school by car. B.I would take her to school by car. C.she had to walk. 49. If I had known you were in town,……………………………………………… A. I had bought you some flowers. C. I would have bought you some flowers. B. I will buy you some flowers. 50. If he studies a lot,………………………………. A. he would pass the exam. B.he would have passed the exam. C. he will pass the exam. II. Choose the underlined part among A, B, C or D that needs correcting. 3 1) If you were here yesterday, you would have seen Jean. A B C D 2) We could had done more if we had had more time A B C D 3) He said that if he has more time, he would come to see us. A B C D 4. If you will study harder, you will surely pass the coming exams with good results. A B C D 5. If I am 10 centimeter taller, I would play basketball. A B C D 6. If I were you, I will go to the dentist’s and have the tooth checked. A B C D 7. If the weather weren’t too bad, we would to go swimming A B C D 8. Unless we leave a bowl of water under the sun, it will evaporate. A B C D 9. If he weren’t too old, he would apply to the job as a war reporter. A B C D 10. If I had money, I will buy a car. A B C D IV- Choose the best answer which has the same meaning with the given one. 1 If there isn’t enough rain, the hydropower station can not operate. A. When there isn’t enough rain, the hydropower station can operate. B. Unless there is enough rain, the hydropower station can operate. C. Unless there isn’t enough rain, the hydropower station can not operate. D. Unless there is enough rain, the hydropower station can’t operate. 3. If we don’t save water, we will have to suffer fromn water shortage. A. Unless we don’t save water, we will have to suffer from water shortage. B. If we save water, we will have to suffer from water shortage C. Unless we don’t save water, we won’t have to suffer from water shortage D. If we save water, we won’t have to suffer from water shortage. 4. She is too weak; she can’t sit up and talk to you. A. If she wasn’t too weak, she could sit up and talk to you. B. If she hadn’t been too weak, she could sit up and talk to you C. If she isn’t too weak, she can sit up and talk to you D. If she wasn’t too weak, she can sit up and talk to you 5. I am too old now; otherwive, I will apply for that post. A. If I would not be too old, I would apply for that job. B. If I was not be too old, I will apply for that job. C. If I were not too old, I would apply for that job. D. If I am not too old, I will apply for that job. 6. I didn’t have enough money with me then; otherwise I wouldn’tl buy that coat. A. If I didn’t have enough money with me then, I would buy that coat. B. If I had had enough money with me then, I would have bought that coat. C. If I had enough money with me then, I wouldn’t buy that coat. D. If I didn’t have enough money with me then, I wouldn’t buy that coat. It’s raining and they can’t go camping in the mountain. A. If it was raining, they could go camping in the mountain. B. If it isn’t raining, they could go camping in the mountain. C. If it wasn’t raining, they could go camping in the mountain. 4 D. If it is raining, they could go camping in the mountain. 41) We_____ you if we have time. A. will phone B. would phone C. phoned D. had phoned 42) It_____ be a pity if she married Fred. A. will B. would C. can D. may 43) If I’m free on Saturday, I_____ to the mountains. A. to go B. could go C. went D. can go 44) She_____ a nervous breakdown if she goes on like this. A. will has B. had C. will have D. have 45) I know I’ll feel better if I_____ smoking. A. will stop B. stopped C. stop D. had stopped 46) If I_____ you, I would help him. A. am B. were C. will be D. had been 47) I could have understood him if he_____ more slowly. A. speaks B. spoke C. had spoken D. would speak 48) He didn’t listen to the teacher. If he_____ carefully, he_____ well in the examination. A. listens / will performed B. listened / would perform C. had listened / would have performed D. had listened / had performed 49) He’s waiting for his mother to come back from Chicago. If his mother_____ home, he_____ a lot of presents. A. come / will has B. comes / will have C. will come / has D. came / had 5 6 . town, life would be better. A. live B. lived C. would live D. had lived 39) I’m sure he wouldn’t mind if we_____ early. A. arrive B. arriving C. arrived D. had arrived 40) If I won the lottery,. small one. A. would have bought B. will buy C. bought D. would buy 17) If you_____ more carefully, you wouldn’t have had so many accidents. A. drive B. drove C. had driven D. driven 18) If I_____. I_____ you half the money. A. gave B. had given C. will give D. would give 41) The kitchen will look better if we_____ red curtains. A. have B. had C. had had D. would have 42) If I knew his address,