[文法] 助动词have疑问

楼主: outnow5566 (冲刺马铃薯)   2017-07-15 11:56:21
have + pp时,have就当作助动词
那should + have pp时,should是助动词,这边的have要怎么解释呢?也是助动词吗?
例句:I should have done better.
烦请高手解惑,感谢!
作者: pianowu (what the..)   2017-07-15 18:03:00
也是助动词,I should do beter.我应该要做的更好I have done better. 我已经做得更好了I should have done better. 我早该做得更好(事实上没有做到)

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