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。
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。">
2024-10-25
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。