has had 和had had有什么区别?

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has had 和had had有什么区别?

has had 和had had有什么区别?
has had 和had had有什么区别?

has had 和had had有什么区别?
has had 是现在完成时,had had 是过去完成时,has had 的 has 是第三人称,也就是“他”“她”“它” has had 意为拥有,已经拥有完了,现在还拥有,而had had 是过去拥有,现在不拥有了.

has had 是第三人称单数现在完成时 其一般形式是have done
had had 是过去完成时 其一般形式是had done

时态不同。前者是现在完成时,后者是过去完成时。