【牛津译林版】2019版高中英语必修3:Unit 2 Section Ⅲ课件(含答案)【推荐】

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要 问题——为什么这是最好的选择。


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2.连接代词和连接副词的选择


连接代词和连接副词的选择要把握住两点:
随 堂

(1)成分:连接代词在从句中作主语、宾语、表语或定语; 连接副词在从
果 落
语 法
句中作状语。



(2)意义:无论是连接代词还是连接副词,通常都有各自的意义。


法 精
麻烦在于她弄丢了他的地址。


After what seemed a long wait, the results were announced.经过了似乎漫长的

等待之后,结果被宣布了。
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[即时演练 2] 单句改错

主 领
①That the professor said is of great importance.

领 悟
common knowledge, a surprise ...)+从句。


It is a pity that I can't go with you because I have to look after my little brother. 效

很遗憾我不能和你一起去,因为我必须照看我的弟弟。

自 人物(the person that)、数目(the amount/number that)等不同概念。

领 悟
You can have what you like.


你喜欢什么就拿什么吧。


The trouble is that she has lost his address.

落 实
2.以上第④、⑤、⑥句中的黑体部分都


精 ④It is certain that this process will continue...
是 it 作形式主语的用法,it 分别替代的
要 点
⑤It is interesting to learn how the words for animals and


It is said that he has got a doctor's degree.

落 实
法 精
=He is said to have got a doctor's degree.


据说他获得了博士学位。

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(2)在句型“It+is/was+adj.+主语从句”中,如果形容词是 important,



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[即时演练 1]


选词填空:when,why,how,which,what,who,whom
随 堂

①Do you know when the train arrives.


语 法
②Can you tell me why you chose the topic to write an article.


语 法
⑥The problem is whom we should have do it.





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境 自
3.what 与 that 的用法区别

领 悟
(1)that 只起连接作用,在从句中不充当任何成分,也无任何意义。


(2)what 引导从句,除起连接作用外,还在从句中作主语、宾语、表语等成 效

分,这时 what 具有两个含义:

落 实
法 精
①保留疑问的意义,即“什么;什么样的”;

点 拨
②相当于“the thing(s) that/which”,即“先行词+定语从句”的含义。
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另外,what 的此种用法还可以表示时间(the time that)、地点(the place that)、

strange, uncertain, obvious, important ...)+从句。


It is obvious that they are for the plan.
语落 实法Fra bibliotek精很明显他们赞同此项计划。



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(3)It+不及物动词(happen, seem, appear, chance, occur, matter ...)+从句。

落 实
法 精
据报道这一次火灾损失巨大并且数百人死亡。



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境 自
[名师点津]

领 悟
(1)“It+be+said/believed/reported/...that ...”句型一般可转换成“sb./sth. 随

+be said/believed/reported/...+不定式”句型。
He didn't attend the meeting.That was because he was ill.他没出席会议。那是
因为他生病了。
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(4)同位语从句



I have no idea where he has gone.


我不知道他去哪里了。


语 法
We don't understand the problem why this is the best choice.我们不明白这个 实


strange,natural,necessary 等,从句谓语部分要用“should+动词原形”形式,
随 堂

should 可以省略。
果 落
语 法

It was necessary that we (should)make everything ready ahead of time.我们有

是主语从句、动词不定式和动名词短

meat developed.
语。
⑥It is fun wandering in the countryside.
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[语 法 精 要 点 拨]






一、连接代词、连接副词引导的名词性从句
随 堂

1.由 what, which, who/whom, whose 等连接代词和 when, where, why, how
要 必要提前把一切都准备好。


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领 悟
(3)在“It is/was+过去分词+that...”结构中,如果动词是 require,demand, 随

request 等,从句谓语部分要用“should+动词原形”形式,should 可以省略。 效 果
It is required that nobody (should) smoke here.


Now we don't know how the pyramids were built.

落 实
法 精
现在我们不知道金字塔是如何建造的。


Please tell me whose book it is.请告诉我这是谁的书。

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(3)表语从句
语 境
The problem is how we could make him understand it.

落 实
法 精
要求所有人都不能在这里吸烟。



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2.代替不定式短语




[即时演练 3] 句型转换


①Anyone who comes here is welcome.
随 堂

→Whoever comes here is welcome.


语 法
②You can do anything you like.

精 要
→You can do whatever you like.
Unit 2 Language
Section Ⅲ Grammar——名词性从句(Ⅱ)与it作形式主语
[语 境 自 主 领 悟]
语 境
先观察原句
后自主感悟
自 主
①What I always dreamt of has come true.
领 悟
②I always wondered when I would get the English novel


It happened/chanced that I was in the countryside at the time.那时我恰巧在乡
随 堂

下。
果 落
语 法
It seems that it is going to rain soon.



看起来天马上要下雨了。


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领 悟

②The key is that we can get from it.
③He saves that he earns.
语 法
④I know the fact what he came here two years ago.




That→What

that→what


that→what
果 落


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二、it 用作形式主语


当不定式、动名词、从句等用作主语时,为避免头重脚轻,通常在句首使
随 堂

用形式主语 it,而把真正的主语放在句子末尾。
果 落
语 法
1.代替主语从句



it 代替主语从句的常用句式如下:


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境 自
(1)It be+名词(a pity, a shame, an honour, a good idea, a miracle, a fact,
1.以上第①、②、③句中的黑体部分都

my parents had promised to give me.
是名词性从句,它们分别在各自的句子


③That is why English has so many difficult rules that
中作主语、宾语和表语。
果 落
语 confuse people.

落 实
法 精
It is common knowledge that the earth turns around the sun.地球围着太阳转

点 是常识。

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领 悟
(2)It be+形容词(clear, possible, likely, natural, certain, fortunate, necessary, 随
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领 悟
That's where the accident took place.

那就是事故发生的地方。(作状语,意为“……的地方”)
堂 效


She didn't know who/whom we were talking about.她不知道我们在谈论谁。
落 实
法 精
(作介词宾语,意为“谁”)


问题是我们如何能使他明白这些。


The question is where we should go.
随 堂

问题是我们应该去哪儿。



He was ill.That was why he didn't attend the meeting.他病了。那就是他没出 实

精 要
席会议的原因。


果 落
语 法
等连接副词引导的名词性从句在句子中可以充当主语、宾语、表语或同位语。





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语 境
(1)主语从句

主 领
What surprised us was her ignorance.

使我们吃惊的是她的无知。
随 堂

Where we will go hasn't been decided.

what→that
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4.“疑问词+-ever”与“no matter+疑问词”的用法区别
随 堂

whoever,whatever,whichever 等既可引导名词性从句又可引导让步状语
果 落
语 法
从句,而“no matter+疑问词”只能引导让步状语从句。





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果 落

我们要去哪儿还没有定下来。




When she will come is still unknown.


她何时来还不知道。
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(2)宾语从句

领 悟
The school was built on what used to be a wasteland.


这所学校是在以前的荒地上建造的。



③HowI can make greater progress later is a problem.


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④Which team will win is not clear.
随 堂

⑤ What I want to know is who took away my book.
(4)It+be +过去分词 (found, believed, reported, thought, noted, proved, 随

known, decided, suggested, required ...)+从句。


It is reported that the fire caused a great loss and hundreds of people died.
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