人教高中英语必修3Unit 4 Astronomy: the science of the stars主语从句课件（共24张PPT）

(共24张PPT)
Noun Clauses
as
Subject
主语从句

Good morning! It is really my great honor to share with you why I can improve my English. I hope that I say are helpful to you.
First of all, as is well-known that practice makes perfect. Every day I spend at least half an hour practise my spoken English. And best time to practise English is in the morning and the evening. My second suggestion is that we can remember the words and phrases in the passage and make sure to remember them deeply. In addition, we can also learn English in some interesting ways, such as listen to English songs, watch English movies, read newspapers and so on.

A task
What is more important is we should have a positive attitude to studying English. Everyone can make mistakes is possible. Thus, enjoy lose face and you’ll have more chances to improve your English quickly.
All in all, how we can improve our English grades depend on whether hard we work.
宾从、表从复习
1) I think ____ you are helpful and _____ you are a good friend.
2) Humans are curious about ______ life began on the earth.
3）My suggestion is _____ we should read the English texts every day.
4) Fighting for our dreams is _______ the meaning of youth lies.
that
that
how
where
that
Who will do it is not clear.
2) What impresses me most is that the little girl can play the violin so well.
3) That we take good care of the earth will benefit our next generations greatly.
4) It is well-known that human beings can get benefit from taking good care of the earth.
找主语(Subject)
主语从句
（Noun Clauses as Subject）
在复合句中作主语的从句叫主语从句。
引导从句的连接词有：从属连词________, _______；连接代词_______ ,______ 和_________；连接副词_______,______, ______和________。
that
whether
what
who
which
when
where
how
why
Exercise:
1). _________ you have done might be harmful to other people.
2).______ light travels faster than sound is common knowledge.
3)._________ we will get good grades depends on whether we work hard.
4) ________ he didn’t come yesterday is unknown.
that引导主语从句时不可省略
表“是否”只用whether
That
Whether
What
Why
Exercise:
5). ________ will take the place of Mr. White as the new CEO is being discussed .
6). _________broke the window should be punished.
7). _______ team will win the match is a matter of public concern.
8). It is not clear _______ the match will be put off or not.
Who
Whoever
Which
= anyone who ...
whether
1. it作形式主语, 主从放句末

① It + be + adj. + that 从句
That the air has been polluted is obvious.
= ________________ the air has been polluted.
注意：
It is necessary that we ______ protect our earth.
当 adj. 是necessary, important, strange 等词时， 从句常用虚拟语气should + do，表示理应如此、惊讶等语气。

It is obvious that
should
⑵ It + be + n. + that 从句

It was a pity ______ you didn’t pass the exam.
非常荣幸我能在这里给大家演讲。
It is a great honour that I can give a speech to all of you here.



that
⑶ It + be + V-ed + that 从句
e.g. 据说他们明天出发去纽约。
It is said that they will set off for New York tomorrow.

It is suggested that we ________(practise) speaking English in the morning and the evening.
类似的动词有？
practise
insist, command, order, advise, propose, require, request, desire, demand
⑶ It + be + V-ed + that 从句
e.g. 据说他们明天出发去纽约。
It is said that they will set off for New York tomorrow.

It is suggested that we ________(practise) speaking English in the morning and the evening.
类似的动词有？
insist, command, order, advise, propose, require...
practise
⑷ It + vi + that 从句
It seems that it is going to rain.
It happened(碰巧) that her mother was out.
此类动词还有: appear, occur
2. 主谓一致：
主语从句一般看做______(单/复)数。
1) When and where we will meet ____ not been decided yet.
2) When we will meet and where we will go _____ not been decided.

has
have
单
3) What we badly need ______(be) doctors.
4) What he said _______ (be) very helpful to me.
are
is

Good morning! It is really my great honor to share with you why I can improve my English. I hope that I say are helpful to you.
First of all, as is well-known that practice makes perfect. Every day I spend at least half an hour practise my spoken English. And best time to practise English is in the morning and the evening.
A task
My second suggestion is that we can remember the words and phrases in the passage and make sure to remember them deeply. In addition, we can also learn English in some interesting ways, such as listen to English songs, watch English movies, read newspapers and so on.
What is more important is we should have a positive attitude to studying English. Everyone can make mistakes is possible. Thus, enjoy lose face and you’ll have more chances to improve your English quickly.
All in all, how we can improve our English grades depend on whether hard we work.

Exercise: subject clause
Will you please see to _______ the luggage is brought back when needed? A. what??? ???B. that??? C. it??? ???D. it that?
_______ high an appraisement is not too much for his contributions to the progress of mankind. A. However??? ??B. No matter how C. How??? ???D. What?
D
A
3. _______ one can succeed depends on _______ hard he works. A. What; how??? ?B. How; whether??? C. Whether; how??? ?D. If; what?
4. I phoned him this morning, but when I said _______ he hung up. A. who was I??? ?B. who I was C. I was who??? ??D. I was whom?
C
B
Attention: that 不能省略的情况
1）在宾语从句中：
① 两个并列宾语从句中：
I think that he is helpful and ______ he is a good friend.
② 在介词except 后面
He stood still expect ______ his lips moved slightly.
A. that B. for C. / D. which
that
A
③ 出现形式宾语it
We all considered it a pity _____ you didn’t come to the party.
Attention: that 不能省略的情况
that
Attention: that 不能省略的情况
2) 在主语从句中：
_______he was sure to help me made me deeply moved.
It is sure ______ he will come to see us.
3) 表语从句中：
The fact is _______ we are too poor to pay the car.

That
that
that
I have no idea ________ to go with you (or not).
1) or not
2) 连接词＋to do
Are you concerned about ________ you are pretty?
3) 介词后
The problem is ________ we have enough money.
4) 表语从句中
_______ he will come or not, I don’t care.
_______ we can succeed depend on our diligence.
5) 在句首

Attention: 只用 whether
whether
whether
whether
Whether
Whether