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

题目

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

答案

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...