【wiki】英语语法_入门_崔荣容

RWYQ阿伟 | 2022-10-20 | 未命名 | 0条留言 | 545 | 2022-10-20更新

情态动词+have+p.p.

情态动词 + have + p.p.

  (1)情态动词 + have + p.p.

  a.表达过去的事实。

  b.推测的含义(助动词should除外)

  1.He can/could have arrived.

  2.He may/might have arrived.

  3.He must have arrived.


  (2)should + have + p.p. 本应该……

  need + have + p.p. 本不需要……

  1.He should have arrived.

  2.They should have finished the work.

  3.You needn’t have done so.


  (3)must + have + p.p. 准是已经……

  can’t + have + p.p. 不可能已经……

  1.He must have arrived.

  2.He can’t have arrived.


练习

  1.He (can) have arrived.可能

  2.He (must) have arrived.准是

  3.You (needn’t) have done so.本不需要

  4.They (should) have finished the work.本应该

  5.He (can’t) have arrived.不可能


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