什么时候用have done什么时候用had done

有关英语语法
have done
have been done
has done
had done
这些属于什么?
has/have/had 后面只能加 done
他们都什么时候用?怎么用?been又是干什么的?

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第1个回答 2019-10-10

have done 完成时,主语是 I,We,they
has done 完成时主语是 He,It
had done 过去完成时,任何主语都可以
have been done 被动式完成时
done 可以用其他动词代替,但是要换成完成时.

相似回答

have done和had done有什么区别啊?答：have done是现在完成时态（过去发生的动作对现在造成的影响）；had done是过去完成时态（过去发生的动作对过去造成的影响）。例句：She has been sweeping the street all day. She is too tired.她一整天都在扫大街，她太累了。

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