非限制性定语从句用法
一．关系代词 Who、Whom、Which、As、Whose
Who指人，在从句中充当主语Whom在从句中充当宾语
1.Lintao, who is our monitor, was praised by our teacher.(主语)
2.Peter, whom you met in Paris, has arrived back from vacation. (宾语)
Which 代指主句中的一个词 或某一部分 或整个句子
1.The apple trees, which I planted, hasn’t produced any fruit.
（一个词、宾语）
2.I am taking some weight-loss pills, which are quite popular here.
（一个词、主语）
3.He said that we had never seen her before, which was not true.（一个部分）
4.Jone passed the exam, which made his parents very happy.（整个句子）
1.My cousin, whose body is slim, took part in the activities.
2.Daniel, whose brother I share a room with, has gone abroad.
二．关系副词when、where
Where在从句中充当地点状语
1.The toy is in the drawer, where I often keep them.
2.限制性从句The story happened in Hunan, where Chairman Mao was born.
When在从句中充当时间状语
1.I left on Sunday, when everyone was at home.
2.We will set off next month, when he feels better.
Why（不出现）用for which替换
1.We couldn’t accept the reason, for which he was late.
Exercise:
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