... 83 for + present perfect 51+ present perfect continuous 55frequency adverbs 117future, the 56- 66 present continuous as future 56- 58, 60 going to 58-59, 60 , 63 -65 future simple 61 -62 , 63 -65 , ... •43a 1 for 2 for 3 since 4 for 5 for 6 since 7 since 8 since 9 for 10 for 43b 1 I studied for 2 She's worked , since. 3 I worked for 4 I've lived since 5 He's been for 6 I haven't ... going to be in the office until 6 o'clock.96a 1 until 2 before 3 until 4 until 5 before 6 before 7 until 8 until9 before 10 before 166 IndexUuncountable nouns 6, 15, 17, 19until 135-137us...