should not be 和shall not be 有什么区别?

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should not be 和shall not be 有什么区别?
should not be 和shall not be 有什么区别?

should not be 和shall not be 有什么区别?
shall 1必须,应该(用于陈述句的第二、第三人称中,表示命令、决心、意图等)you shall not leave your post.你不得离开岗位.
⑴把直接引语变为间接引语是,要把shall变为should.
He said:"I shall come tomorrow ."变为He said he should go the next day.⑵表示责任,该做没做,用should have done sth.不该做做了,用should not have done sth.

should not be 不应该是
shall not be 不愿意是