2022年小升初专项：陈述句变否定句.docx

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1、精选学习资料 - - - - - - - - - 精选资料 欢迎下载陈述句变否定句陈述句 ：是用来陈述一件事情或表示一种看法,否定句两种形式；一、 变否定句：可分为确定句和1. 当谓语动词是be 动词 ,am, is are 或者过去时was, were 时,直t , 接在这些词后面加not 构成否定形式,即am not, is not=isnare not=aren；假如句子里有some,在否定句中要变成any；and 变成 or；Eg. She is a beautiful girl. 改为否定句 - She isn t a beautiful girl.There are some st

2、udents in Sun school. 改为否定句 -There arent any students in Sun school.2. 当句子中谓语动词是助动词will, 情态动词 can, could, should, must 等时,直接在助动词和情态动词后加 not 变为否定句；留意 will not = won t, can not=can t, must not =mustn 表示禁止；假如句子里有 some,在否定句中要变成 any；and 变成 or；Eg .My family will go to Beijing and Qingdao next Sunday . 改为否

3、定句 -My family will not go to Beijing or Qingdao next Sunday. 名师归纳总结 - - - - - - -第 1 页,共 4 页精选学习资料 - - - - - - - - - 精选资料 欢迎下载They can run very fast. 改为否定句 -They can trun very fast. 3. Eg.谓语动词是行为动词而又没有助动词或情态动词时,必需在谓语动词前加助动词,一般现在时加助动词do ,第三人称单数加 does,一般过去时加did,再和 not 构成否定结构； dont, doesnt, didnt 后都用动词

4、原形；假如句子里有 some,在否定句中要变成 any；and 变成 or；Eg Tom flies kites in the playground. 改为否定句 -Tom doesn t fly kites in the playground.We often play football after class. 改为否定句 We dont often play football after class.练习1）Mike is a student at Sun school. 改为否定句 Mike _ _ a student at Sun school. 2）There are some a

5、pple juice in the fridge；（改为否定句）There _ _ _ apple juice in the fridge. 名师归纳总结 3 I am happy and excited to hear that good news. （改为否定句）第 2 页,共 4 页- - - - - - -精选学习资料 - - - - - - - - - 精选资料 欢迎下载I am _ _ happy _ excited to hear that good news. 4 She will go swimming next week. （改为否定句）She _ _ go swimmin

6、g next week. 5 My parents can cook meat with potatoes . （改为否定句）My parents _ _ cook meat with potatoes. 6 You must do your homework now. （改为否定句）You _ _ do your home work now. 7 Jill has lunch at school every day. 改为否定句 Jill _ _ lunch at school every day. 8 The children had a good time at the party. 改

7、为否定句 The children _ _ a good time at the party. 9 Rose didnt watch TV this morning.（改为确定句 Rose _ _ this morning. 10 She does exercises at home in the evening.（改成否定句、 ）She _ _ exercises at home in the evening. 名师归纳总结 11 He said something important at the meeting.（改为否定句）第 3 页,共 4 页- - - - - - -精选学习资料

8、- - - - - - - - - 精选资料 欢迎下载He _ _ _ important at the meeting. 12 He reads English every morning. He _ _ English every morning. 13 They can swim across the river. They _ _ swim across the river. 14 I have some bread to eat. I _ _ _ bread to eat. 15 They are playing basketball. They _ _ basketball. 16 The teachers will go to a meeting tomorrow. The teachers _ _ go to a meeting tomorrow. 名师归纳总结 - - - - - - -第 4 页,共 4 页