Do we need go to CIA to get a document for our visa extension?Do we need go to CIA to get a document for our visa extension?我时常为什么时候用do提问二困扰,

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Do we need go to CIA to get a document for our visa extension?Do we need go to CIA to get a document for our visa extension?我时常为什么时候用do提问二困扰,

Do we need go to CIA to get a document for our visa extension?Do we need go to CIA to get a document for our visa extension?我时常为什么时候用do提问二困扰,
Do we need go to CIA to get a document for our visa extension?
Do we need go to CIA to get a document for our visa extension?我时常为什么时候用do提问二困扰,

Do we need go to CIA to get a document for our visa extension?Do we need go to CIA to get a document for our visa extension?我时常为什么时候用do提问二困扰,
有情态动词的时候不用Do提问,也就是may can must shall would will等词语,Need可以做情态动词,但是只有在否定句中出现,也就是只有Someone needn't do something的用法,不会出现someone need do something的用法
如果一定要强调“需要做”,就要用need to do,这时候need就不是情态动词了.所以提问就只能用Do . need to do ...
Need比较特殊的,可以记成特殊用法