do的6种形式

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冬屿久年 4星

共回答了482个问题采纳率：90.8% 评论

1、一般现在时 I do what I should do.

2、过去式 I did my homework yesterday.

3、现在进行时 what are you doing?

4、现在完成时 you have done the work.

5、被动时态 the work has been done by xiaohua.

6、助动词 who cut the tree? I did it.

19小时前

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