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动词【4】助动词have的用法 - 简明语法手册 作者:欢乐鱼 阅读次数:4613
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助动词have的用法 1)have +过去分词,构成完成时态,例如: He has left for London. 他已去了伦敦。 By the end of last month, they had finished half of their work. 上月未为止,他们已经完成工作的一半。
2)have + been +现在分词,构成完成进行时,例如: I have been studying English for ten years. 我一直在学英语,已达十年之久。
3)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。
关键字:简明语法手册 | | | |
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