英语的现在进行完成时态是怎么构成的?have being done 还是have been doing?
我想表达这个：“我们已经合作了这么多年”，该如何说？
人气：136 ℃ 时间：2019-08-18 06:01:38
解答
用have been doing.没有have being done这种形式.我们已经合作了这么多年:We have cooperated for several years.
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