九年级英语定语从句复习.doc

九年级英语定语从句复习 在复合句中修饰名词和代词的从句叫做定语从句. 被定语从句修饰的名词或代词叫做先行词. 引导定语从句的关系代词有who, whose, whom, which, that, as ; 引导定语从句的关系副词有when, where, why; 关系代词在定语从句中做主语,宾语,定语. 关系副词在定语从句中做状语. 一.由 who, 引导的定语从句,who在从句中做主语(口语中也可做宾语), 修饰表示人的先行词. 例如: This is the man who helped me. Do you know the comrade who spoke just now ? The boy who//whom we saw yesterday is John’s brother. 二.whom引导的定语从句,whom在从句中作宾语,修饰表示人的先行词, 口语中可以省略. The doctor (whom) you are looking for is in the room. The person (whom) you just talked to is Mr. Li. =The person to whom you just talked is Mr. Li. (介词后 whom不能省略) The babies whom the nurses are looking for are very healthy. (固定短语中的介词一般不省略,介词仍放在动词之后) 三.whose引导的定语从句,whose在从句中作定语,修饰表示人或物的先行词. Do you know the woman whose name is Mary. Pass me the dictionary whose cover is black. 四.that引导的定语从句,that在从句中做主语或宾语,修饰表示人或物的先行词, 作宾语时可省略,不能放在介词后面作宾语. The letter (that//which) I received was from my father. I can’t find the letter that//which came this morning. Do you still remember the days (that//which)we spent together ? This is the man that//who helped me. The house (that//which) we live in is not large. =The house in which we live is not large. The doctor (that//whom //who)you are looking for is in the room. 五. which引导的定语从句,which在从句中做主语,也可做宾语,或介词的宾语, 修饰表示物的先行词. 先行词可以是词、短语、句子。 This is the book (which/that ) you want. The building which//that stands near the river is our school. The room in which there is a machine is a workshop.(介词后面的which不能省略) The house (which/that) we live in is not large. This is the watch (which/that ) he was looking for. (在含有介词的动词固定词组中,介词只能放在动词之后,不能放在which之前 ) 六、that 和which 都可以修饰表示物的先行词, 但是下列情况只能用that. 先行词为不定冠词all, few, little, much, everything, nothing 等. All (that) you have to do is to practise every day. There isn’t much (that) I can do. 先行词被序数词或形容词的最高级所修饰时. The first lesson (that) I learned will never be forgotten. This is the best film (that ) I have ever seen. 先行词被all, any, every, few, little, no, some 等不定代词修饰时. I have read all the books (that) you gave me.