新塘会计培训:谁能搬忙归类一下本该做却没做之类的短语??

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should have done 本该做而没做
shouldn't have done 本不该做而做
needn't have done 不需要做而做了

should have done
表本该做而未做

最重要的是要用虚拟语气,比如说I should have /I would have ...if I had done sth..
主句用虚拟,IF从句用过去完成时态。
英语专业八级喜欢考虚拟语气,要注意。

should have done?