初中语法定语从句.doc

初中语法定语从句 初中基础语法 定语从句 定语:用来修饰名词、代词的成分。 通常在被修饰词之前，但是修饰不定代词时要后置;从句作定语，要后置。 名、形、代、副，介词短语，数词，不定式，从句都可以作定语。 We have some beautiful flowers. I have sth important to tell you. The students here come from Beijing. adv. They made a report on science. This is a good way to learn English. The girl playing the piano is my sister. The house built last year is very beautiful. This is the book which I bought yesterday. 定语从句: 修饰一个名词或代词的从句称为定语从句，一般紧跟在它所修饰的先行词后面。 定语从句必须有先行词，并尽量靠近先行词;在定语从句中，关系词在从句中充当成分。 关系词常有3个作用:1，引导定语从句。2，代替先行词。3，在定语从句中担当一个成分。 关系代词:which that who whom whose as 等 作主语 作宾语(可省) 作定语 人 whom/ that/who(口语或whose that/ who 非正式文体中) 物 that/which that/which whose eg. This is the girl that/who(m) I met yesterday. This is the girl that/who can speak French. I love the present that/which you bought. I love presents that/which look nice. He has a friend whose fathe??r is a doctor. I once lived in a house whose roof has falle??n in. 限制性定语从句只能用that 不用which的几种情况 1(当先行词是anything, everything, nothing (something 除外), few, all, none, little, some 等代词时，或者是由every, any, all, some, no, little, few, much, just, one of等修饰时 (1) Have you taken down everything that Mr. li has said? (2) There seems to be nothing that seems impossible for him in the world. (3) All that can be done has been done. (4) There is little that I can do for you. (5)He told me all that had happened. 2.当先行词被序数词、形容词最高级、the very, the only ,the last, the same等修饰 (1) The first place that they visited in London was the Big Ben. (2) This is the best film that I have seen. (3) This is the very dictionary that I want to buy, (4) After the fire in his house, the old car is the only thing that he owned. 3.当先行词前面有who, which等疑问代词时 (1) Who is the man that is standing there? (2) Which is the t-shirt that fits me most? 4. 当先行词既有人，也有物时 (1) can you remember the scientist and his theory that we have learned? 1 (2) We talked about the things and persons that we were interested in. 关系词只能用who的情况: 1. 先行词