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外研版英语选修十《Module 3 Slavery and the American Civil War Reading and grammar》优质课ppt课件
定义：
用来修饰某个名词或代词的从句叫定语从句
先行词：被定语从句所修饰的那个名词或代词叫先行词。通常定语
从句放在其后。
关系词：引导定语从句的词叫关系词。关系词分关系代词who,
whom ,which, that, as, whose和关系副词when, where, why。
e.g. I know the girl who attended the party.
分类:
定语从句分限制性定语从句和非限制性定语从句，限制性定语从句对先行词起修饰限制作用，非限制性定语从句中对先行词起补充说明作用。非限制性定语从句中，先行词与从句有逗号隔开。
e.g.
1.Tom is a boy who likes playing football.
2.This is Tom, who likes playing football.
关系词
关系词的作用 1.连接作用：关系词引导从句把主句和从句连接起来
2.替代作用：关系词在从句中替代它前面的先行词
3.成分作用：在从句中一定做充当句子成分
Look at the following sentences:
1.Mozi was another teacher who was very influential.
2.He came from a family which was very poor.
3.Confucius is the philosopher whose influence has been the greatest.
4.It was also a time when there were many great philosophers.
5.Ancient China was a place where states were often at war with each other.
6.The reason why man is different from animals is that man is good.
7.He is such a lovely student as everyone likes.
Choose the right answer: