第1个回答 2017-03-07
1)have + been +现在分词,构成完成进行时,例如:
I have been studying English for ten years.上月未为止,他们已经完成工作的一半.
2)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.
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.
还有吃的意思,有的意思.
如:I have lunch at 12 o'clock.
I have a book.本回答被网友采纳