中考英语语法(定语从句)概要.ppt

 定语从句定义：在复合句中作定语，用来修饰主句中某一名词或代词的句子叫定语从句。它的作用相当于一个形容词，通常放在被修饰词的后面。 　 2. 先行词是物，引导词用which或that Ｔhe pen which I want to buy is very expensive. 　 　We love the school where we study. He always comes at a time when we need help I still remember the days when I lived in London. That is the reason why I can’t agree. 注意: １．关联词that, which在从句中做宾语时，经常被省略．（特别是在口语和非正式文体中），whom也常被省略． ３关系代词 whom， which 在定语从句中作介词宾语时，可以和介词一起放于先行词与定语从句之间，有时为了关系紧凑也可以将 whom 与 which 与先行词紧挨着书写，而将介词置于定语从句的后面，如：That was the room in which we had lived for ten years. ４.在定语从句中,以下情况常用that而不用which ５. 只能用which，不用that 的情况： (2) 定语从句由介词+关系代词引导，先行词是物时。例如： The thing about which he is talking is of great importance. 定语从句分为：限定性定语从句　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　和　　　　　　非限定性定语从句 限定性定语从句：是先行词必不可少的定语，如果把它去掉，则主句的意思就不完整或失去意义. 限定性定语从句的特点是，与主句的关系十分密切，书写时不用逗号割开． People who are in the classroom are the students’ parents. 非限定性定语从句 非限定性定语从句: 是对先行词的附加说明，如果把它省列，也不影响主句的意思和完整性。这种句子和主句之间往往用逗号隔开。 Miss Li ,who is from Beijing, is our English teacher. She lives in the seventh floor ,where it is big and bright. 　 Try to understand these sentences: The boy who was here a minute ago is my younger brother. Beijing Hotel where the foreign visitors live is near Tian An Men Square. The woman whom you were talking about is here now. This is the hall where we listened to the report yesterday. The car which just passed us was going 90 miles an hour. I enjoyed reading the book you gave me last week. The subject I prefer is science. The man I spoke to is a professor. 单项填空 1. ---Who is the man _______ was talking to our English teacher? ---Oh! It’s Mr Baker, our maths teacher. A. he B. that C. whose D. which 2. I hate the people ________ don’t help others when they are in trouble. A. who B. which C. they D. where 3. The foreigner _________ visited our school is from Canada. A. which B. when C. who D. whom 4. George Mallory was an English school teacher _______ loved climbing. A. who B. whom C. he