因为是过去,所以用had,过去完成式,所以用learned那是不是只要看到过去式就用过去完成时
现在完成时 是指现在完成的什么意思？因为这是在过去完成的啊，所以用过去完成式
We had learned about 1200 english words by the end of last term
We had learned about 1200 english words by the end of last term
为什么是过去的过去,我觉得这里用have learned就可以了呀
为什么是过去的过去,我觉得这里用have learned就可以了呀
英语人气：894 ℃时间：2019-12-18 04:30:49
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