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1、把肯定句改成否定句把肯定句改成否定句分以下情况:1、句中有 be动词(am is are was were的,在 be动词后力卩not ;(1 am- am not缩写形式(2 is- is not (=is n t(3 are- are not (二are n t(4 was- was not (=was n t(5 were- were not (=were n t2、句中有情态动词(can, should, could的,在情态动词后面加 not ;缩写形式(1ca n- can not (ca nt(2should- should not (should nt(3could - cou

2、ld not (couldn t3、句中没有be动词和情态动词的,在动词前加d on 或doesn 或didn t(注意:d on 或doesn或didn 后面的动词要用原形。);d on 如.:I like apples. I do n t句中动词为原形like apples.does n ,并将三单式的动词还原成原形句中动词为原形如: He likes apples. f He doesn t like apples.勺中动词为拐在动词前加did n ,t而且动词过去式要改为原形,例:l we nt to school yesterday .f I didn t go to school

3、yeaterday .4.肯定句中的some在否定句中应改为any女口: There are some students in the classroom. f There are not any students in the classroom.将下列各句改成否定句1、Tom s brother is walking in the park.、2 His father isdriv ing a bus.3 Thestudents of Class 5 are cleaning the classroom. 4 Their dog isplaying in the room.Mary are

4、 frie nds.、6 These busesare new.、7 There aresome books in the bookcase.、8 There is abanana in the box.、9 I m astude nt.10 She is afarmer.11 Yourfather can ride a bike.12 Mr. Li candraw pictures.13 They canplay football after school.14 I can go toSha nghai Zoo.15 Youshould climb the tree.from Chi na.17 It s timefor sports.18 We likethe mask.19、He likes the violi n.20 Have some bread, Tom.21 Pleaseope n your books.22 I likeChinese Maths、Art and PE.23 Liste n to the radio, please.24 Kick the ball to me.25 Peter, drink some juice, please.26 Please watc

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