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英语
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there have been怎样用?
there have been
there had been
there has been
有心向求学
人气:181 ℃ 时间:2019-09-25 22:34:48
解答
there have been以及后面人称和时态不同的2种都是 there be结构的完成时态,have+done,你看出来了么~意思就是“已经有……了”用had的那个肯定就是过去完成时了,用has的那个,当然就是have的第三人称单数了.例如 there...
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