有两个词组 travel to the USA travel all over the world 请问travel 后面要不要加to另外,以may Must Need 开头的问句相对应的肯定回答和否定回答分别是什么 xiexietravel all over the world为什么不加to?初二英语

有两个词组 travel to the USA travel all over the world 请问travel 后面要不要加to另外,以may Must Need 开头的问句相对应的肯定回答和否定回答分别是什么 xiexietravel all over the world为什么不加to?初二英语
有两个词组 travel to the USA travel all over the world 请问travel 后面要不要加to
另外,以may Must Need 开头的问句相对应的肯定回答和否定回答分别是什么 xiexie
travel all over the world为什么不加to?初二英语里must 肯定 must 否定needn't ;Need 肯定must 否定needn't ; may 肯定 can 否定can't

有两个词组 travel to the USA travel all over the world 请问travel 后面要不要加to另外,以may Must Need 开头的问句相对应的肯定回答和否定回答分别是什么 xiexietravel all over the world为什么不加to?初二英语
travel all over the world 这里‘travel’是一个及物动词所以不用加‘to‘
travel to the USA 里的‘travel’是不及物动词,后面必须加一个介词.
情态动词
may:----yes,you must
----no,you can't
must:做推测讲译为“一定”
---yes,he must
---no,he can't
做必须讲译为“必须”
---yes,you must
---no,you needn't
must:
肯定must（必须）,否定must not/mustn't/needn't（不准,禁止）He mustn't be there 他一定不在那儿.Mustn't I smoke here?禁止在这儿吸烟吗?you mustn't smoke here.你不能在这儿吸烟.
注意,must 的否定也有用needn't的.Must I finish the work this morning?Yes,you must/No,you needn't.我必须早上就完成工作吗?是的,必须/不,不需要.
need:
肯定need(需要/必须),否定needn't.You need not go yet ,need you?Yes,I must/ I need to/ I have to/No,I needn't或者 No,I don't have to.你不一定要去,是吗?是的,我一定要/必须/不得不去/不,不一定要去.
shall(只和第一人称连用 we/I):
肯定shall（将/必将/可以/.好吗）,否定 shall not.注意,当回答中主语不再是第一人称,Shall要变成should.Shall I go to school?Good idea/Yes,you should./No,you shouldn't.但是回答主语仍旧是第一人称时,shall 不用变.Shall we go to school?Yes,we shall/No,we shall not/I'd love to,but I can't.
may:
肯定may(可以/许可/能),否定may not.注意过去式,虚拟语气或客气是用might/mightn't.May I close the window?Yes,go ahead/Yes,you can（一般不这么说）/No,I'm afraid you may not.

travel 后面要加to
must-Yes,you should./No,you needn't.
need-Yes,you should/may/can/need./No.you needn't/musn't.
may-Yes,you may/can./No,you musn't/can't.
travel all over the world不加to的原因就...

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travel 后面要加to
must-Yes,you should./No,you needn't.
need-Yes,you should/may/can/need./No.you needn't/musn't.
may-Yes,you may/can./No,you musn't/can't.
travel all over the world不加to的原因就类似于go home和go to school的固定用法的关系，must 肯定 must 否定needn't ;Need 肯定must 否定needn't ; may 肯定 can 否定can't 是对的

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