... 134present continuous, 32-34, 37as future 56 -58 , 60present perfect simple 48 -50 , 52 , 54 continuous 55 -56 + for / since 51 present simple 30-31, 33, 36-37as future 65- 66passive 71-74present ... perfect continuous 55 frequency adverbs 117future, the 56 -66present continuous as future 56 -58 , 60going to 58 -59 , 60, 63- 65 future simple 61-62, 63- 65, 79when + present simple 65- 66Ggerund, ... heard 15 I didn't know . •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...