这是虚拟语气的一种,表示与过去事实完全相反的假设,用句型
would/should/could/might + have +过去分词
You didn't do it but it would have been the right thing to do这里的have been,为什么要用have been?
You didn't do it but it would have been the right thing to do这里的have been,为什么要用have been?
u33
u33
英语人气：495 ℃时间：2020-01-28 00:17:20
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