must not

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mustnotmustnotmustnot要看是什么句子中.有可能是千万不要是.不能，一定不能Can'tbe.例如：Itcan'tbemybook.它不可能是我的书。而must用于否定

must not
must not

must not
要看是什么句子中.
有可能是千万不要是.

不能，一定不能

Can't be. 例如：It can't be my book.它不可能是我的书。而must用于否定时，一般没有mustn't be，而是mustn't do，意思是禁止干什么例如：You

不得

意思是：不能，不行

一定不要

必须不是

一定不是

must not must not should not与must not must not的缩写 must not have must not do Must you do not must和must not的区别 something must do,something must not do must 加to 是must not be 还是must be not must not 的缩写形式 We must forever not separate decide must not be softhearted Name must not be null you must be not true. What must Nina not do must not和need not的用法 must not have been;could not have