chapter3. planning for the perfect wedding-grammar
教学目标：1. 复习定语从句的基础知识；
2. 区分关系代词和关系副词，并掌握关系副词引导定语从句的用法；
3. 掌握“介词+关系代词”引导定语从句的用法。
教学内容
step1. revision
i. 用who,that, which, whom, whose填空
1. is he the man ___________ wants to see you?
2. he is the man ___________ i saw yesterday.
3. they rushed over to help the man ___________ car had broken down.
4. the package ___________ you are carrying is about to come unwrapped.
ii. 填上所缺的词。
1. the time _______ you first met nelson mandela was a very difficult period of your life.
2. the school ________ i studied only two years was three kilometers away.
3. the day _______ nelson mandela told me what to do and helped me was one of the
happiest days of my life.
4. until today we have reached a stage _______ we have almost no rights at all.
5. mandela was the black lawyer ____ _______ i went for advice.
6. the parts of the town ____ _______ they had to live were decided by white people.
7. we were put into a position ____ _______ we had either to accept we were less important or fight the government.
step 2 expanantion
对比上面两组句子中所填词的区别，总结关系副词和“介词+关系代词”引导定语从句的用法。
一.关系副词
1. 关系副词包括when, where, why.
2. 关系副词的用法：
条件一：先行词时表示时间、地点或原因的词；
条件二：从句部分缺少状语。
the time when【you first met nelson mandela】 was a very difficult period of your life.
先行词 主 + 谓+ 宾（缺少状语）
（表时间）
分析并完成下列句子,体会关系副词的用法：
1. mary brown moved to a place _______she was close to the sea, so she could go swimming every day.
2. that was the reason _______i had to go to hospital.
3. harvard is a world-famous university where/from which wang an got his doctor’s degree.
4. in 1951 dr wang founded his own company where/ in which computers were made.
5. dr wang died in 1990 when it was developing rapidly all over the world.
二.“介词+关系代词”引导定语从句的用法。
【关键点】关系代词whom, which前介词的选择由先行词的习惯搭配或后半句动词的搭配而决定。
1. the speed at which light travels is 300000km per second.(由先行词的习惯搭配决定)
（at the speed of）
2. this is the teacher from whom i borrow the book. (borrow from)（动词词组）
3. don’t bring the children to see the animals of which they are afraid. (be afraid of)