过去完成时用法Have/has gone tohave/has been tohave/has been in这几个怎么
过去完成时用法
Have/has gone to
have/has been to
have/has been in
这几个怎么用和区分?
或者举几个易懂和有代表性的例子.
Have/has gone to
have/has been to
have/has been in
这几个怎么用和区分?
或者举几个易懂和有代表性的例子.
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liuyunxia520 幼苗
共回答了192个问题 举报
过去完成时的谓语动词构成
I/ we/ you/ they had worked
he/ she/ it had worked
1.表示过去某一时刻之前已经完成的动作，常与由by，before引导的时间状语连用。
We had learned 5000 words by the end of last month.
到上个月底为止我已经学了五千个单词。
I/ we/ you/ they had worked
he/ she/ it had worked
1.表示过去某一时刻之前已经完成的动作，常与由by，before引导的时间状语连用。
We had learned 5000 words by the end of last month.
到上个月底为止我已经学了五千个单词。
1年前
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