改为肯定的句子怎么改 改为肯定的句子英语

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you.mustnt.cross.the.street.here.改为肯定句肯定句怎么改?

You mustn't cross the street here.

展开：You must not cross the street here. 这是一个有情态动词的否定句

改肯定句，只需要把“not”去掉即可

Youmust cross the street here.

英语怎样改肯定句、疑问句、否定句

肯定句I'm a student. I read this book.

否定句I'm not a student. I don't read this book.

一般疑问句Are you a student? Do you read this book

. 由连系am，is，are构成的句子：变一般疑问句时把am，is，are提到句子的前面，句尾用问号即可。变否定句时直接在am，is，are后面加not即可。例如：

肯定句:He is a student.

一般疑问句: Is he a student?

否定句: He is not a student.

反问句: He is a student, isn't he?

He isn't a student, is he?

画线提问: 对he提问: Who is a student?

对 a student 提问: What is he? or What does he do?

2. 由情态动词can, may, should等构成的句子: 变一般疑问句时把can,may,提到句子的前面,句尾用问号即可.变否定句时直接在can,may,后面加not即可. 例如:

肯定句: She can swim.

一般疑问句: Can she swim?

否定句: She can not swim.

反问句: She can swim, can't she?

She can not swim, can she?

画线提问: 对she提问: Who can swim?

对swim提问: What can she do?

3. 由行为动词构成的句子: 需要加助词do或does. 变一般疑问句时把do/does放在句子前面. 例如:

肯定句: They play football after school.

一般疑问句: Do they play football after school?

否定句: They don't (do not) play football after school.

反问句: They play football after school, don't they?

They don't play football after school, do they?

画线提问: 对they提问: Who play football after school?

对play football提问: What do they do after school?

对after school提问: When do they play football?

改肯定句的方法有哪些?

否定句一般把否定词去掉即可,还要注意肯定句和否定的不同的形容词和副词；

疑问句就需要将疑问词,助动词去掉,调整语序,

特殊疑问句改肯定句就不像上两种情况了,通常是开放性问题,没有办法改的差不多.

这样讲你可能会不理解,例如

否定句 You don't konw what it is.(你不知道它是什么）

肯定句 You know what it is.

一般疑问句 Do you think he is a good student?(你认为他是一个好学生吗?）

肯定句 You think he is a good student.

特殊疑问句 What do you want to do?

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