do/does/did这几个助动词后面,语法规定是用动词原形啊!
Did you go home?does he like music> 等等
不过do/does/did也可以加have done和 will do 结构,
比如：He does have finished his homework.
They do will come.
这时候把have.will看成原形就可以了!
需要强调谓语时,用助动词do/ does或did.过去时用did,为什么后面的谓语动词用原形?不能过去式吗
2个回答
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