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英语
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She has been very helpful to us.这属于什么时态,先谢啦
人气:179 ℃ 时间:2020-01-24 21:51:58
解答
have done 是现在完成时哦.
祝好!
如果不懂建议重新提问,也可以直接追问哦.现在完成时不是has+过去分词吗,been very helpful 又不是过去分词has been是啊 been 是be 的过去分词啊
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