To the student; To the teacher; Thanks; 1-5 am/is/are; 6-9 I am doing (present continuous); 10-15 I do/work/like etc.(present simple); 16-21 I am doing and I do (present continuous and present simple); 22-24 have got; 25-33 was/were and I worked/got/went etc. (past simple); 34-36 I was doing and i did (past continuous and past simple); 37-39 Review (present and past, simple and continuous); 40-45 I have done (present perfect); 46-50 How long have you ...? (present perfect); 51-54 I have done and I did (present perfect and past simple); 55-56 Review (present, present perfect and past); 57-61 is dine / was done and is being done / has been done (passive); 62-64 be/have/do and regular/irregular verbs; 65-66 I used to ...; 67-68 What are you doing tomorrow?; 69-70 I'm going to ...; 71-75 will/shall; 76-79 Review (future); 80-81 might; 82-84 can and could; 85-86 must/mustn't/needn't; 87-89 should; 90-91 I have to...; Review (might/can/must etc.); 95-97 there and it; 98-102 I do, Have you?, So am I etc. (auxiliary verbs); 103-104 isn't, haven't, don't etc. (negatives); 105-111 questions; 112-114 Do you know where ...?; 115-117 She said that ... / He told you to ... (reported speech); 118-122 do /to do / doing; 123-124 Review (do / to do / doing); 125-129 I/me/my/mine/myself etc.; 130-132 -'s (Ann's camera) etc.; 133-137 a/some; countable/uncountable; 138-141 a/an and the; 142-144 some and any; 145-147 some/any/no/none; 157-158 both/either/neither; 159-161 a lot / much / many; (a) little / (a) few; 162-164 old, nice etc.(adjectives) quickly, badly etc. (adverbs); 165-170 older, oldest (comparatives and superlatives); 171-174 enough and too; 175-178 word order; still/yet/already; 179-183 at, until, before etc.(prepositions of time); 184-186 in, under, through etc. (prepositions of place and direction); 187-189 prepositions (general); 190-193 go in, put on etc. (phrasal verbs); 194-197 when and if; 198-200 the person who ... / the people we met (relative clauses); Key.