您的当前位置:首页正文

肯定句变否定句的规则及练习

2020-12-06 来源:步旅网
 肯定句变否定句的规则

肯定句改否定句的方法

先观察句中是否有BE动词和情态动词,

1、 如果有be动词,在be动词后加not即可。如:is not , are not , am not, was not, were not;

2、 如果有情态动词,在can,should, will等后加not。如:cannot, should not, will not;

3、 如果上述都没有的,在动词前加助动词否定形式don’t/ doesn’t/ didn’t。

注意:肯定句改成否定句时,some 改成any。

练习

把下面的句子变成否定句。

1.She is watching TV now.

2.We go to school on Sunday.

3.His father works hard.

4.Jack's mother is a nurse.

5.The cat runs fast.

6.They like reading books.

7.My grandpa gives me a hot dog.

8.Tom often walks to school.

9.I have a doll.

10.It is eating fish.

因篇幅问题不能全部显示,请点此查看更多更全内容