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before后面接动名词的用法请教谢谢了,

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before后面接动名词的用法请教谢谢了,
A man will usually wait for a woman to extend her hand before offering his,however.before+动名词的用法有这一种用法吗所以想请教before后面接动名词这里的before词性是什么
before后面接动名词的用法请教谢谢了,
因为before刚好可以是从属连接词,也可以是介系词,所以若视before是介系词 则A man will usually wait for a woman to extend her hand before offering his,however.的offering就是动名词,看这里.若视before是从属连接词 则A man will usually wait for a woman to extend her hand before offering his,however.的offering 就是A man will usually wait for a woman to extend her hand before he offers his,however.所转变而来的分词构句,看这里.两种文法角度都能解释的句子"稳对".查看原帖