人教版英语选修七第五单元语法PPT课件

不止一位姐姐
2. I have a sister, who works in a hospital. 我有一位姐姐，她在医院工作。
只有一位姐姐
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1. 限制性定语从句与_先__行__词__关系密切, 是先行词不可缺少的部分, 如果去掉 它, 主句意思往往不明确。
2. 非限制性定语从句是对_先__行__词__的补 充或说明, 去掉它也不会影响主句的 意思。
same place.
3. They gave up the plan _t_h_a_t_/_w_h__ic_h_ they worked out yesterday.
4. They gave up the plan, _w_h_i_c_h_ was a very good one.
1. 限制性定语从句： 从句与主句关系密切, 去掉从句, 主 句意义不完整, 甚至不合逻辑。 e.g. I was the only person in our office who was invited. (去掉定语从句, 意思就不完整)
非限制性定语从句与限制性定语从句的区别
类型 非限制性定语 限制性定语项目从句 Nhomakorabea从句
逗号
有逗号
无逗号
that的应用 不能用that引导 可以用that 引导
which的指 代特点
除指代先行词 外，还可指代 句子或句子的 一部分
只指代先行 词
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类型 非限制性定语 限制性定语
项目
从句
从句
关系代词的 作宾语时不能 作宾语时可
➢ He lives in the city, where there is a high
tower.
➢The People’s Republic of China was founded in 1949, when he was born.
➢I have told them the reason, for which I didn’t attend the meeting.
2. Shanghai, which is in East China, is developing quickly.
当先行词是地名、人名、世界上独 一无二的事物或家庭唯一成员时， 通常只用_非__限__制__性__定__语__从__句__修饰。
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Example 2
1. I have a sister who / that works in a hospital. 我有一位在医院工作的姐姐。
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Example 3
1. This is the house (which/ that) we bought last month. 这是我们上个月买的那幢房子。
2. The house, which we bought last month, is very nice. 这房子很漂亮, 是我们上个月买的。
➢ Football, which is a very interesting game, is played all over the world.
➢ All the books there, which have beautiful pictures in them, were written by him.
➢ Li Ming, whose mother has been ill for two days, is absent from school today.
3 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, 应用for which引导。
2. 非限制性定语从句： 从句对先行词关系不密切, 去掉定语从句, 意思仍然完整。形式上用逗号隔开, 不能 用that 引导。
e.g. Tom’s father, who is over sixty, still
works hard day and night. (who 引导非限制性定语从句, 整个句 子可分成两句来翻译)
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Let’s review Restrictive Attributive Clause. (限制性定语从句)
Finish the following sentences. 1. He has two sons _w__h_o_ work in the
same place. 2. He has two sons, _w__h_o_ work in the
省略
省略
以省略
与先行词的 起补充作用，
关系
去掉后对句意
的完整性无影
响
起限定修饰 作用，去掉 后句意不完 整
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Look at the following examples and tell the differences between the sentences.
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Example 1
1. His father, who works in Beijing, came back yesterday.
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1. 限制性定语从句可以由_关__系__代__词__、 _关__系__副__词___来引导，关系代词作宾 语时可以省略。
2. 非限制性定语从句既可修饰_先__行__词_, 又可修饰_整__个__主__句___, 不可用 that 引 导且关系代词不可以省略。
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注意：
1 非限制性定语从句中, 指物时, 用 which 而不用 that。
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4 介词加关系代词也可以引导非限定性 定语从句。
➢ Wu Dong, with whom I went to see the film, enjoyed it very much.
➢ Her bag, in which she put all her books, has not been found.
2 指人时主格用who, 宾格用whom, 物主 格用whose (也可指物)。
➢ Miss Howe, whom you met in the library, is our new teacher.
➢ The Arabs, who are famous for their horses and camels, use these animals for work and in sports.