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小学英语中助动词have的用法

2025-01-27 01:25:34浏览:
小学英语中助动词have的用法  【小编寄语】遥查字典英语网小编教给同学们的是小学英语中助动词have的用法,一起来学习下吧!
祝同学们学习进步!
  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 +遥分词,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.
  遥教英语已经多年。