2018年12月英语六级语法之动词:助动词have
2018-09-28 阅读 : 次
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。
本文地址:http://www.cetclub.com/cet6beikaoziliao/cet6yufaziliao/2018-09-28/53034.html