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助动词have的用法和例句

2025-01-29 01:25:28浏览:
助动词have的用法和例句  遥,小编给大家讲解助动词have的用法和例句,希望对大家的学习有帮助。
  助动词have的用法和例句   have作为助动词可以:   1.
构成完成时态(have+过去分词):   What has happened?
  出了什么事?
  He told me Jane had left.
  他告诉我简已经走了。
  She will have arrived by this time tomorrow.
  明天这时她就会到了。
  How long have you been there?
  你在那里待了多久?
  2.
构成完成进行时态(have+been+遥分词)   We have been trying to contact you.
  我们一直在想和你联系。
  She has been teaching there for thirty years.
  她在那里任教达三十年。
  That was the book he had been looking for.
  这是他一直在找的书。
  另外,have (got)to还可构成谓语,表示不得不:   We have(got)to be careful.
  我们得小心。
  You don’t have to worry.
  你不必忧虑。
  助动词have的用法和例句由查字典英语网小编整理,仅供参考。