【#文档大全网# 导语】以下是®文档大全网的小编为您整理的《do和have的区别和用法》,欢迎阅读!
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。
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