2018学年度人教版选修 7 Unit5Travelling abroadPeriod4 Grammar 课件(27张)

1. 作宾语时可省略 关系词 的使用 上 2. 可用that 3. 可用who 代替whom
通常译成主句的并 列句
1. 不可省略 2. 不用that 3. 不可用who 代替
whom
1. Yesterday Mr. Li finally bought his own house, _______ is a hospital. A. in where B. to the east of which C. to the east of it D. in the east of that 2. My brother's purse, _______ he put ￥1,000, was missing on the bus. A. there B. which C. in which D. that 3. The football match _______ the students competed yesterday was very wonderful. A. in which B. which C. in that D. that
限制性定语从句和非限制性定从句的区别
限制性定语从句 形式上 意义上 非限制性定语从句
不用逗号“ ，”与主句隔 开 是先行词不可缺少的定语， 如删除，主句则失去意义或 意思表达不完整
用逗号“ ，”与主句 隔开 只是对先行词的补充 说明，如删除，主句 仍能表达完整的意思。
译成先行词的定语： 译法上 “…的 ”
c. 另外关系副词when(指时间), where (指地点)也 可以引导非限制性定语从句(注意关系副词why 不能引导非限制性定语从句);why不引导定语从 句。
4) He lives in the city, where there is a high tower. 5) The People’s Republic of China was founded in 1949, when he was born.
The Attributive Clause （non-restrictive)
1．定语从句：修饰某一名词或代词的从句叫定语 从句。定语从句一般紧跟在它所修饰的先行词 之后。 2．先行词：被定语从句修饰的词叫先行词。 3．关系词：引导定语从句的词叫关系词。 关系词有关系代词和关系副词。关系代 词有that, which, who, whom, whose, as等； 关系副词有when, where, why等。 关系词通常有下列三个作用：A、引导定语从句； B、代替先行词；C、在定语从句中担当一个成 分。
限制性定语从句(restrictive) 定语从句 非限制性定语从句( non-restrictive）
｛
The teacher told me that Tom was the only person that I could depend on. 老师告诉我说汤姆是我唯一的可以依靠的人。 His mother, who loves him very much, is strict with him. 他妈妈十分地爱他，对他要求很严格。
1. 限制性定语从句和非限制性定语从句: 限制性定语从句:所谓限制性定语从句就是先行 词在意义上不可缺少的定语,如果去掉, 主句就会 失去意义或意义不完整。这种从句和先行词的关 系十分密切,写时不用逗号和主句分开。 e.g. I was the only person in my office who was invited. 我是我们办公室唯一被邀请的人。 (如果把从句部分去掉, 整个句子的含义就变
b. 指人时主格用who,宾格用whom,物主格用 whose(也可指物)。 1) Miss Howe, whom you met in the library, is our new teacher. 2) The Arabs, who are famous for their horses and camels, use these animals for work and in sports. 3) Li Ming, whose mother has been ill for two days, is absent from school today.
他的狗当时很老了, 生病后就死了。(去掉从句,
主句的意义仍然完整:他的狗生病死了。)
2) Yesterday I met Li Lei, who seemed to be very busy. 昨天我碰上李雷了,他好象很忙。
(去掉从句, 意义仍然完整:昨天我碰上李雷了。) 2. 非限制性定语从句中的一些问题： a. 非限制性定语从句中, 指物时, 用which而不用 that。 1) Football, which is a very interesting game, is played all over the world. 2) All the books there, which have beautiful pictures in them, were written by him.
了)
非限制性定语从句:非限制性定语从句和主句的 关系并不十分密切,只是对先行词做些附加说明, 如果去掉,主句的意思仍然清楚。这种从句和主句 之间往往用逗号隔开。在讲话时语调上须停顿。 一般不用that引导。 1) His dog, which was now very old, became
ill and died.
d. 介词加关系代词也可以引导非限定性定语从句。
6) Wu Dong, with whom I went to see the film, enjoyed it very much. 7) Her bag, in which she put all her books, has not been found. 8) The story about the Long March, of which this is an example, are well written.
3. as, which 非限定性定语从句 由as, which 引导的非限定性定语从句,as和 which可代整个主句，相当于and this或and that。As一般放在句首,which在句中。 As we know, smoking is harmful to one’s health. The sun heats the earth, which is very important to us.