内容正文:
Period Ⅱ Using language—Grammar & Vocabulary
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课前自主预习
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课前自主预习
课堂效果检测
精讲课时语法
课后课时作业
[观察句子,总结规律]
观察下列句子,体会黑体词在句中的用法:
①These terraces were built by the local Zhuang and Yao people, to whom Guangxi is home.
②But perhaps what is most significant is the way in which people have worked in harmony with nature to make these terraces and grow rice.
③This forms clouds from which rain falls down onto the mountain terraces once again.
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④His death, the cause of which is unknown, surprises us.
⑤The boy to whom I spoke is a nice person.
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[我的发现]
通过观察可知:
(1)句①⑤中,定语从句由________加关系代词________引导,一般先行词为表示________的名词。
(2)句②③④中,定语从句由________加关系代词________引导,一般先行词为表示________的名词。
介词
whom
人
介词
which
物
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1.“介词+关系代词”结构中的关系代词
“介词+关系代词”是一个普遍使用的结构。
“介词+关系代词”结构中的关系代词只可用whom或which,不可用that。
Do you remember the day on which you joined our club?
还记得你加入我们俱乐部的那一天吗?
In the dark street, there wasn't a single person to whom she could turn for help.
在漆黑的大街上没有一个人可以让她求助。
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2.“介词+关系代词”结构中介词的确定
介词的选择可以总结为:“一先、二动、三意义、四特殊”。
(1)一先,即先看先行词,从先行词入手。介词往往和先行词构成固定搭配。(比如时间常用on, in, by, during;地点常用on, in, at;原因用for;方式用in, by, with等)
This is the house in which the inventor lived.
这就是那位发明家住的房子。
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(2)二动,即看从句中的谓语动词。根据从句中谓语动词的搭配来选择合适的介词。
He is a person of whom everyone has heard.(hear of 听说)
他是一个人人都听说过的人。
(3)三意义:通过判断主句表达的意义来确定合适的介词。
He was educated at the local high school, after which he went on to Peking University.
他在当地的一所高中上的学,之后去北大继续求学。
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(4)四特殊:介词of 常用于“表示部分的词语+of+关系代词”结构。
表示部分的词语常见的有:不定代词all, both, none, neither, either, some, any,数词(基数词,序数词,分数和百分数);the+最高级/比较级,以及表示数目或数量的词语many, most, few, several, enough, half, a quarter等。
There are sixty students in our class, twenty of whom are girls.
我们班有六十名学生,其中二十名是女生。
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The factory produces half a million pairs of shoes every year, 80% of which are sold abroad