have been doing 现在完成进行时
have being doing 不存在
have be doing 不存在
存在have been doing、have being doing、和have be doing吗?
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相关问题
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have been done；have been doing;have been n(如friends);have be
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to do →to be done to be doing to have done →to have been don
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BE BEING DOING/BE BEING DONE/HAVE BEEN DONE
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doing having done being done having been done 造句!
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英语语法Will do , will have done ,will be doing ，will have been
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have been doing ,have done和have doing区别
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have to do和 be doing.翻译
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will have been doing和have been doing的区别
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to be doing和to have been (求助中……有这个用法吗?)
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have been done 和 have been doing