do和have的区别和用法

2023-12-22 03:32:23   文档大全网     [ 字体: ] [ 阅读: ]

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用法,区别
dohave的区别和用法

have的用法;

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。 扩展资料

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。

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。

do `用法

构成一般疑问句。例如:

Do you want to pass the CET? 你想通过大学英语测试吗? Did you study German? 你们学过德语吗? do + not 构成否定句。例如:

I do not want to be criticized. 我不想挨批评。 He doesn't like to study. 他不想学习

n the past, many students did not know the importance of English.

过去,好多学生不知道英语的重要性。


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