把肯定句改成否定句

1、把肯定句改成否定句把肯定句改成否定句分以下情況：1、句中有 be動(dòng)詞（am is are was were的，在 be動(dòng)詞后力卩not ；(1 am- am not縮寫形式(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、句中有情態(tài)動(dòng)詞(can, should, could的，在情態(tài)動(dòng)詞后面加 not ；縮寫形式(1ca n- can not (ca nt(2should- should not (should nt(3could - cou

2、ld not (couldn t3、句中沒有be動(dòng)詞和情態(tài)動(dòng)詞的，在動(dòng)詞前加d on 或doesn 或didn t(注意：d on 或doesn或didn 后面的動(dòng)詞要用原形。)；d on 如.:I like apples. I do n t句中動(dòng)詞為原形like apples.does n ,并將三單式的動(dòng)詞還原成原形句中動(dòng)詞為原形如: He likes apples. f He doesn t like apples.勺中動(dòng)詞為拐在動(dòng)詞前加did n ,t而且動(dòng)詞過去式要改為原形,例:l we nt to school yesterday .f I didn t go to school

3、yeaterday .4.肯定句中的some在否定句中應(yīng)改為any女口： There are some students in the classroom. f There are not any students in the classroom.將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