do与does与have的区别和用法

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have + been +现在分词,构成完成进行时。

do与does与have的区别和用法

例如:

I have been studying English for ten years. 我一直在学英语,已达十年之久。

have +been +过去分词,构成完成式被动语态。

例如:

English has been taught in China for many years. 中国教英语已经多年。