do did does是不是可以直接做谓语 但done doing不能直接做谓语 have done be doing才能做谓语
问题描述：
do did does是不是可以直接做谓语 但done doing不能直接做谓语 have done be doing才能做谓语
答
是的,如：1. He usually does his homework before dinner.2. I did some housework last Saturday.3. We have done the shopping.4. Jack is doing his school work. 通过句子去记,会更容易些. 希望对你有帮助...