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主语从句 公开课 精品课件 图文


4. ____ is a fact that English is accepted as an international language. A. There B. This C. That D. It
Pick up one number and finish the task in it, then you can get some points.
定义
Her job is teaching. What she does is teaching.
在句中充当主语的从句 叫做主语从句。
连接词
that ①无实际意义 ②只起连接作用
1That he will come is certain. 是否 2Whether it will please them is not easy to say. 3What seems easy to some people seems difficult to others. 4Which side will win is not clear. 5Why he did it remains a mystery. 6When they will start is not known yet. 7How he became a great scientist is known to us all. 8Who will take part in the meeting has not been decided. 9Whoever breaks the law will be punished. 10Where she is from is unknown.
4) It + be +过去分词+从句
It is said that... It is known to all that... It is reported that...
It is reported that 据报道)20 people were *___________________( killed in the accident.

主语从句的虚拟语气
①表 “应该,惊讶、惋惜、遗憾”等意义 It is important /natural /necessary/strange that... 谓语形式为:(should) + V.原形 eg. 很奇怪,他竟没有来。 he should not come It is strange that___________________.
10
×
It is important that we should finish…..
Correct or not? *That she wants to know is when the party will be held .
What she wants to know is…….
10
×
Correct or not?
What
What the cat did made the baby cry.
用whether\if填空
10
Whether ________ we shall attend the meeting hasn't been decided yet.
Translate the sentence
20
That they need help *_______________________________( 他 们需要帮助)is quite clear.
1) It is + n. +从句 It is a pity(遗憾)/ a fact/a surprise that…
It is a pity that 很遗憾)we lose the match. *_______________(
It is a fact that 这是事实)he cheated in the *______________( exam.
decided yet.
10
×
Whether we will…………………………. decided yet.
Translate the sentence
20
how Mark Twain *It is known to us__________________ became a great writer 马克.吐温怎样成 _____________________( 为一位伟大的作家).
连接词如何选用?
连接词的选用 1.从句中什么成分都不缺,用 that 2.从句中需要表“是否”的词,用 whether 3.其他,缺什么补什么
如缺“哪一个”的意思, 用 which
主语从句的连接词: • 连接词 that , whether • 连接代词 who(ever), whom(ever), which(ever), what(ever)等 • 连接副词 where ,when ,why ,how
It happened that 刚好)I came into the office *________________( at that time.
*____________________( It occurred to me that 我突然想起)I forget to send the letter.
• ②表示“据建议、据要求、据命令”
• It+be+suggested/advised/ordered/requested/
commanded/ insisted/required that…
谓语形式为:(should) + V.原形 据命令,所有乘客必须接受搜查
பைடு நூலகம்
It was ordered that all the
1
2
3
4
5
6
7
8
9
10
Correct or not?
10
*When the meeting will be held haven’t been known yet.
……………………………. be held hasn’t been known yet.
×
Make a sentence
30 the cat did made cry
Make a sentence
30
talk about
the use of cell phone
What they are talking about is the use of cell phone.
Correct or not? * If we will have a meeting hasn’t been
• what doesn’t kill you makes you stronger • 没能击垮你的让你愈加强 壮 • stand a little taller • 站得更高 • doesn’t mean i’m lonely when i’m alone • 孤身一人并不代表我孤单 寂寞 • what doesn’t kill you makes a fighter • 没能击垮你的造就一名勇 士 • put that thing on lighter • 步履轻盈 • doesn’t mean i’m over cause you’re gone • 你的离开并不意味我的结 束 • what doesn’t kill you makes you stronger, stronger • 没能击垮你的让你愈加强 壮,愈加强壮 • just me, myself and i • 我可以只靠自己,我,只 有我
it
That he will refuse this piece of advice is impossible. It is impossible that he will refuse this piece of advice.
It作形式主语
It作形式主语的四种常用句型
• • • • It +be+名词+that从句 It +be+形容词+that从句 It +不及物动词+that从句 It +be+动词的过去分词+that从句
10
*He will give up his job surprises all of us.
That he will give up………
×
Translate the sentence
20
Whether she will attend the meeting *_______________________________ (她是否出席会议)is not certain.
2) It is + adj. +从句 It is possible that... It’s certain that…
It is possible that 很可能)she will come *_________________( back tomorrow.
3) It +不及物动词+从句 It happened that... 刚好…;碰巧… It occurred to me that… 我突然想起…
Conclusion:
×
引导主语从句在句首只能用whether,
有it作形式主语的whether/if都可以.
主语从句的其他规则
看句子正误,并总结规律
• When he will come are a puzzle(谜).
• When he will come is a puzzle.
×
Conclusion:
含主语从句的主句谓语动词多用
单数。
主语从句的其他规则
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