do和have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 的`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。 本文来源：https://www.wddqw.com/doc/a079a6fb75eeaeaad1f34693daef5ef7ba0d12fd.html