If I (not drink) _______ so much coffee yesterday afternoon I would have been able to sle

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If I (not drink) _______ so much coffee yesterday afternoon, I would have been able to sleep well last night.

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热搜:关于氨基酸代谢错误的论述是_________。

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  • 正确答案:had not drunk
    had not drunk 解析:当if引导的从句表达一种非真实的条件时,要使用虚拟语气。表示与过去事实相反的假设,条件从句中谓语动词要使用过去完成时,主句谓语动词使用 would have done的形式。如:If you had come earlier this morning,you would have seen our manager.(如果你今天早上来早一点儿的话,你就会见到我们的经理。)