must的否定形式 success

含有情态动词must的句子变否定句怎么变

Must变为否定句，通常变为don't/doesn't have to 或者don't/doesn't need to或needn't do或can't.

因为must的否定形式mustn't意思已经变为'千万别'，不再表示不必须的意思了。。。

请采纳，谢谢~

must的否定形式 success

must 用法 否定形式

must 意思是必须mustn't 是其否定式,但意思改变为 禁止通常“必须”否定译为“没必要”时,用don't have to / don't need to 如：i must go to school 我必须去上学i don't have to go to school 我没必要去上学.

must变否定是什么,变一般疑问句是什么?

1,must做比须时,否定是must not或mustn't；表示推测时,通常与be连用,否定用can't be2,must做比须时,反义疑问句用mustn't；如You must obey the school rules,mustn't you?表示推测时,要用be或助动词do的相应时态；如...

must的否定句

needn't

mustn't是有禁止的意思

needn't是不需要,并没有完全禁止

例:

Must

I

turn

on

the

radio?

No,you

needn't.

从不会回答No,you

mustn't.

所以填needn't

must的否定句？

应该是

A large hole needn't to be dug.

mustn't 是禁止的意思

needn't 不需要，用不着，不必的意思

1楼回答的should not be 是不应该的意思