have +過去分詞,構成完成時態。
例如:
He has left for London. 他已去了倫敦。
By the end of last month, they had finished half of their work.  上月未為止,他們已經完成工作的一半。">

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do與does與have的區別和用法

回答
瑞文問答

2024-10-25

have的用法:
have +過去分詞,構成完成時態。
例如:
He has left for London. 他已去了倫敦。
By the end of last month, they had finished half of their work.  上月未為止,他們已經完成工作的一半。

擴展資料

  have + been +現在分詞,構成完成進行時。

  例如:

  I have been studying English for ten years. 我一直在學英語,已達十年之久。

  have +been +過去分詞,構成完成式被動語態。

  例如:

  English has been taught in China for many years. 中國教英語已經多年。