... 83for+ 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 , 79when ... simple 61 -62 , 63 -65 , 79when + present simple 65 -66 Ggerund, the 96- 100as subject of a sentence 99prepositions + gerund 98verbs + gerund 97going to 58-59, 60 , 63 -65 Hhave to 93-95he 1her ... 30-85irregular 41, 67 -70phrasal 138-144using to or at 133wwell 27when 65 which 1 26 who 1 26 wh questions 122-123will 61 , 63 -64 won't 61 word order 115, 118worse/worst 28would 81, 86 Yyet 54you...