2017英语专八语法精析:将来完成时的分类

2017-01-09 16:59:18来源:网络

2017英语专八语法精析:将来完成时的分类

  将来完成时:

  1.构成:shall / will have + 过去分词

  2.功能:表示将来某时之前已经完成的动作。

  →They will have been here for 5 years next Friday.

  →By the end of next term, the students will have finished the book.

  过去将来完成时:

  1.构成:would / should have + 过去分词

  2.功能:表示从过去某个时间看将来某时之前已经完成的动作。

  →He said that they would have arrived by seven o'clock.

  将来完成进行时:

  1.构成:shall / will have been + 现在分词

  2.功能:表示某一动作将继续到将来某时,且该动作此时尚未发生。

  →We shall have been staying here for four weeks when Tom arrives.

  →It will have been raining for a week if it does not stop tomorrow.

  [注:此句型过于复杂,人们很少运用,了解而已。]



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