The Attributive Clause引导定语从句的关系词关系代词:that,which,who,whom,whose关系副词:when, where, why限定性定语从句对先行词具有限制作用,使该词的含义更加具体
Those who wish to go to the park must be at the gate by 7:50 am
Do you like the gift that I gave you
非限定性定语从句和主句的关系不是十分密切,从句只是作一些附加说明
主句和从句之间常用逗号分开
非限定性定语从句所修饰的可以是一个词,也可以是整个主句所说的内容
He gave his mother a color TV for her birthday, which pleased her a lot
Mr Green , who came to see me yesterday, is an old friend of my father’s
who/ whom 引导定语从句指人,在从句中做主语时用 who, 做宾语时 who/whom 皆可,而且可省略;也用于非限定定语从句,但不能省略 He is the boy (who/whom) I like very much
The boss of the company, who(m) I met at a party last week, is a billionaireWhich 引导定语从句1
指物,在从句中做主语或宾语 I live in a house which was build ten years ago
These are the photos(which) I took in the USA
用于非限定性定语从句,指物或一件事 The moon, which is