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

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
1个回答 分类:英语 2014-10-03

问题解答:

我来补答
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
 
 
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