It is impossible for a child to lift such a heavy box.这句话中for能改成of吗?why那么It is very nice of you to send my parents your best wishes.这句话中fof能改成for吗?why?到底啥时候用of,啥时候用for?

It is impossible for a child to lift such a heavy box.这句话中for能改成of吗?why那么It is very nice of you to send my parents your best wishes.这句话中fof能改成for吗?why?到底啥时候用of,啥时候用for?
It is impossible for a child to lift such a heavy box.这句话中for能改成of吗?why
那么It is very nice of you to send my parents your best wishes.这句话中fof能改成for吗?why?到底啥时候用of,啥时候用for?

It is impossible for a child to lift such a heavy box.这句话中for能改成of吗?why那么It is very nice of you to send my parents your best wishes.这句话中fof能改成for吗?why?到底啥时候用of,啥时候用for?
不能!如果用of的话,这句话能够改成a child is impossible.但是这句话不通顺.所以不能.平常做题时都可以用着个方法很准的.

不能！如果用of的话，这句话能够改成a child is impossible。但是这句话不通顺。所以不能。平常做题时都可以用着个方法很准的。你说清楚吗，这句话能够改成a child is impossible这个我看不懂，请你把原话说出来你可以倒过来啊。比如说It‘s right for the young to help the old.想检验for可不可以改成of，就可以将the young...

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不能！如果用of的话，这句话能够改成a child is impossible。但是这句话不通顺。所以不能。平常做题时都可以用着个方法很准的。

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不能，of一般用于形容人的品格、性格，就像nice说明这个人很好，但是for不行，impossible不能形容一个人的品质，这是我的理解，希望对你有帮助！