can't和mustn't有什么区别?

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can''t和mustn''t有什么区别?can''t和mustn''t有什么区别?can''t和mustn''t有什么区别?1.mustn''t在英语中不能用于表示推测,但是可以表示“禁止/不允许”之意.如：Yo

can't和mustn't有什么区别?
can't和mustn't有什么区别?

can't和mustn't有什么区别?
1.mustn't在英语中不能用于表示推测,但是可以表示“禁止/不允许”之意.
如：You mustn't smoke here.在这里你不许抽烟.
2.can't/couldn't表示推测时,意思是“不可能...”,语气非常坚决的否定推测.
根据动作发生的时间,一般分为以下三种情况：
1）进行式（对正在发生的事情的否定推测）：can't be doing sth
如：It's already ten o'clock.My father can't be sleeping now.
2）完成式（对过去的动作的否定推测）：can't/couldn't have done sth
如：He is at schoool,so he can't/couldn't have stayed up last night.
3）一般式（对现在/将来情况的否定推测）：can't do sth
如：Your answer can't be true.
3.can/could表示推测时一般只用于否定句/疑问句,但是也可用于肯定句,只是比较少见.
其中could不表示过去式,而表示可能性较小.
如：I think the work can be completed ahead of time.我认为这项工作能提前完成.

mustn't语气更加强烈

can't和mustn't有什么区别请详解 can't和mustn't有什么区别? 情态动词mustn't和can't有什么区别? must not 和mustn't有什么区别?还有can't和can not有什么区别? may的否定回答mustn't和can't有什么区别 can't be 和 must’t be有什么区别?比如，he can't be here.he mustn;t be here 有什么区别？ oughtn't, mustn't, can't区别 must提问,否定回答问什么不能用no,you mustn't?而用may提问,否定则用no,you mustn't.mustn't 和can't有什么区别? can`t与mustn`t意义和用法的区别看一下这道题:mustn't和can't的区别? 情态动词的can't和mustn't的区别 may.must.mustn't的意思may,must,mustn't,need,needn't,can,can't的意思是什么?之间有什么区别? mustn't have done和can't have done的区别最好有例子 must 和mustn't有区别吗? may not/can't/couldn't/needn't/mustn't举例区别意思和用法 mustn't/can't/won't/shan't的用法和区别,请详细一点. mustn't needn't 有什么区别么? have to,has to,can和mustn't的区别