... 1 CONTENTS Articles PEG chapter I 1 Articles: a/ an 2 Articles: the 3 Articles: a/ an, the 4 Articles and possessive adjectives 5 a/ an and one Auxiliary verbs PEG chapters 10 -16 6 Auxiliary verbs ... not and don't have to etc. 27 must, can't and needn't with the perfect infinitive Present and past tensesPEG chapters 17 -18 1 246789 10 11 12 13 14 16 17 18 19 20 21 23242527282930 31 332 ... mixed 17 have: possessive 18 have: various uses 19 The have + object + past participle construction20 be 21 it is/there is 22 can and be able23 may 24 must and have to 25 must not and need...
... PEG chapter I 1 Articles: a/ an 2 Articles: the 3 Articles: a/ an, the 4 Articles and possessive adjectives 5 a/ an and one Auxiliary verbs PEG chapters 10 -16 6 Auxiliary verbs 7 Auxiliaries ... not and don't have to etc. 27 must, can't and needn't with the perfect infinitive Present and past tensesPEG chapters 17 -18 1 246789 10 11 12 13 14 16 17 18 19 20 21 23242527282930 31 332 ... didn't.Make an affirmative addition to a negative remark: She can't eat oysters. (I) She can't eat oysters but I can.Use needn't as the negative of must, and must as the affirmative...