have studied 和 have been studied的区别

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have studied 和 have been studied的区别

have studied 和 have been studied的区别
have studied 和 have been studied的区别

have studied 和 have been studied的区别
have studied是指到现在为止已经学了多少,第二个指被动学了多少

没有have been studied的说法,你可以说have been studying ,这个是现在完成进行时,表示一直持续的动作,现在还在继续,而have studied 就是现在完成时

have studied 是指已经学习了........而have been studied 是指.....已经被学完了 ,这么说 明白了吧? 一个是主动 一个是被动,

have studied 的主语是人
have been studied的主语是物