英语need should must have to

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英语need should must have to
need
should
must
have to
它们各自的意思,用法,区别.

should,must,need,都是情态动词,后面都只能跟动词原形,分别解释为应该,必须,需要.
其中need可分为两类：一、need do,否定形式为needn't do,肯定回答为Yes,I need.否定回答为No,I needn't.二、need to do,否定形式为don't need to,肯定回答为Yes,I do.否定回答为No,I don't.
用must提问时,肯定回答要用must,否定回答要用need,比如：A:Must I do it now? B:Yes,you must./No,you needn't.
have to解释为不得不,后面跟动词原形.比如：I have to go now.
不懂再问!

英语need should must have to should must need have to 的区别 should,must,have to,need,can的用法区别 can may must should have to need 的区别英语词语问题.急have to 和 need to 和 must 的含义是什么?have to 和 need to 和 need,must 和 have to 的区别 have to ,need ,must 的用法用must,have to,need完成句子 have to,must ,need三者区别关于英语ought to have done 与should have done的区别有need have done 用would,should,must ,have to 填空 1.can 2.could 3.may 4.might 5.should 6.need 7.must 8.have to