Book 7 Unit 4语法定语从句(教师版).doc

Revise the Attributive Clause (Restrictive non-restrictive) 例句：This is the boy who won the first prize in the English Speech Competition. 1. 主句：在含有定语从句的复合句中，除去定语从句后的部分，是句子的主句。定语从句：相当于形容词，修饰主句中的一个名词或代词，相当于主句的一个定语先行词：被定语从句修饰的名词等，它出现在定语从句的前面。关系词：关系词指用来引导定语从句的词，分为关系代词和关系副词。关系词的三个作用起着连接主句和从句的作用定语从句一个句子成分指代被修饰的先行词。who, whom, whose, that, which，在定语从句中充当主语、宾语或定语 1. 指人时可以用who, 也可用thatDo you know the boy who/that is my desk mate?The man who/that was killed in the accident is Tom’s uncle. 2. 指物时可以用which, 也可用thatI like visiting places which/that are not far away. How do you like the film which/that was shown last Sunday？ 3. whose作定语，可以指人也可以指物He was a painter whose pictures were not well-known in his life time. The tree whose leaves are red was planted last year. 4. 关系代词作宾语时可以省略I like the meal that/which/x we had last night.Do you know the boy who/whom/that/x we talked about just now? 5. 关系代词who, which, that在定语从句中作主语时，从句中谓语动词的人称和数必须与它所代替的词即先行词一致。 6. 表示人的关系代词who在口语中代替whom。如果关系代词作介词的宾语，则只能用whom。但如果把介词放在句尾，则两者都可以用。 ◆ 常见的关系副词有when, where, why，在定语从句中分别充当时间地点原因We will put off the picnic until next week when the weather may be better. This is the house where Jimmy once lived. That is no reason why you should leave. 【Practice 1】用合适的关系词完成句子。The man who/that was here yesterday is a painter. 2. The man who /whom /that /x I saw is called Smith. 3. A child whose parents are dead is called an orphan. 4. I’d like a room whose window looks out over the sea. 5. A letter that /which is written in pencil is hard to read. 6. The letter that /which /x I received from him yesterday is very important. 7. This is the boy who /whom /that /x you are looking for. 8. Do you know the reason why he was late for the meeting？ 9. This is the school where I used to study. 10. I still remember the day when we met for the first time. ◆ 只用that不用which的情况： 1. 当先行词为all, little, much, few, everything, anything, nothing, none等不定代词时 I have forgotten everything that/x he told me this morning. 2. 当先行词有形容词最高级/序数词