如果用must 提问一般疑问句,否定回答用什么?如题：Must they clean the classroom now?否定回答是什么?

来源：学生作业帮助网编辑：作业帮时间：2024/05/02 06:13:39

如果用must 提问一般疑问句,否定回答用什么?如题：Must they clean the classroom now?否定回答是什么?
如果用must 提问一般疑问句,否定回答用什么?
如题：Must they clean the classroom now?
否定回答是什么?

如果用must 提问一般疑问句,否定回答用什么?如题：Must they clean the classroom now?否定回答是什么?
举例吧：
Must we register before using the site?
-Yes,you must./ No,you needn't.
关于Must提问的一般疑问句,否定答案用need代替must.

那要先看这个句子的句式，是一般疑问句，还是特殊疑问句,还是选择疑问句。既然都用must了，那么……什么句式你自己也知道。所以是yes or no来做肯定或否定回答。那么……否定回答就用：No,…need dont./No,…neend’t.

needn't

No, they needn't.

No, they don't need to.
No, they don't have to.
No, they shouldn't.

need not

yes,they need
no,they needn't

needn't

no,they haven not to .

Must we register before using the site?
-Yes, you must. / No, you needn't.

no,they needn't

No, they needn't.
No, they don't need to.
No, they don't have to.
一般是这三种

needn't

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