主语it 谓语has been 宾语done
it has been done 谓语
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相关问题
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___has been done.
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非谓语动词having been done,to have been done什么时候用?
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has been done 是has done的被动形式,可是为什么My mother has been devoted
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has been done 和has been 区别是什么
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来一位高手辨析一下这个英语区别has done had done has been done had been done
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All ___ can be done has been done.
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__has been done to improve his pronounciation,he find it dif
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has been doing have been done区别
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非谓语动词中being done ,done,having been done,have done 有什么区别
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有关英语语法have donehave been done has done had done这些属于什么?has/ha