我粗略总结一下啊:
1)助动词后加动词原形,助动词是 do,还有它的各种形式,如 does,did,done等等,例如, Do you go to work on foot? do后面加原形go。。。
2)情态动词后面加动词原形,shall, must,can, could, would, might, may,have to, ought to, should,will, need等等,后面加原形
例如, He can speak English.
3)动词不定式后加不定式,即 to do sth
例如, I want to go to bed.
4)还有一些动词后面的宾语补足语加动词原形
例如 have, let, make, see, 等等拉
I let you wait a long time, so sorry about that.
5)一些句型中加动词原形,例如why not? why don’t you?
例如 why not go swimming?
你自己再总结一下拉,我暂时能想到的就这么多。
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