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(共33张PPT)
Noun clauses as
the subject
Unit 4 Grammar
Learning objectives
Knowledge objective: To learn noun clause used as subject.
Ability objective: To discover and learn to use the useful structures— noun clauses as the subject .
Emotion objective: To build the confidence of learning English.
Listen to a song, fill in the blanks and pick out predicative clauses and object clauses.
Step 1 revision
Although loneliness has always been a friend of mine I'm leaving my life in your hands People say ①I'm crazy and that I am blind
Risking it all in a glance ②_____ you got me blind is still a mystery I can't get you out of my head Don't care ③____ is written in you history As long as you're here with me
How
what
As long as you love me
I don't care ④____ you are，_____ you're from，____ you did As long as you love me Who you are Where you're from Don't care ⑤____ you did As long as you love me
Every little thing that you have said and done Feels like it‘s deep within me Doesn’t really matter if you‘re on the run It seems like（as if）⑥ we're meant to be
who
where
what
what
How you got me blind is still a

mystery(谜)
Subject
The cause is still a mystery(谜)
Subject Clauses
Grammar
3. To find your way can be a problem.
What part does the underlined part serve as in each sentence?
2. Smoking is bad for you.
1. You are a student.
4. “How do you do?” is a greeting.
5 .What she said is not yet known.
6. That we shall be late is certain.
7. It is certain that we shall be late.
subject
A sentence serving as subject is called Subject Clause.
主语从句
充当主语的句子叫主语从句
How the book will sell depends on its author.
That he is the best student in the class is obvious.
找出文中的主语从句.
Task 1
What it was to become was uncertain until between 4.5 and 3.8 billion years ago.
What it was to become
What is even more important is that as the earth cooled down, water began to appear on its surface.


What is even more important
What many scientists believe is that the continued presence of water allowed the earth to dissolve harmful gases and acids into the oceans and seas.
Why they suddenly disappeared still remains a mystery.


What many scientists believe
Why they suddenly disappeared
So whether life will continue on the earth for millions of years to come will depend on whether this problem will be solved.
So whether life will continue on the earth for millions of years to come
How you got me blind is still a mystery.
That she won the game made her very happy.
What he said is not true.
What they need is a dictionary.
结论
主语从句多位于_____________
句首主语的位置
Try to draw a conclusion.
找出下面句子中的连词。
Who will go makes no difference.
Which is the best is not certain.
Why dinosaurs died out is unknown.
When and where we will get together has not been decided.
How she can keep healthy is a secret.
Whether he will come is not important.
Who
Which
Why
When
How
Whether
主语从句的连接词
what who
which when
where how
whether that
连接词
1. that
That the earth moves around the sun
is well known.
2. Whether
Whether he will come or not is not
known yet.
3. who
Who will be sent there has not been
decided.
4. What
What you need is more practice.
5 Which
Which one is the best is not clear.
6 When, where
When and where he was born is a question.
7 Why, how
Why there is gravity is hard to understand.
How he can earn a living in Britain became a big problem.
8.whoever、whatever、whichever可引
导主语从句。
Whoever comes will be welcome.
Whatever he did was right.
Whichever of you comes in will receive
a prize.
2.what 与that 在引导主语从句时的区别
what 在从句中充当句子成分，如主语、宾语、表语，而that 则不然。
1)_____ you said yesterday is right.
2) ____ she is still alive is a consolation.
What
That

Who will go makes no difference.
Which is the best is not certain.
Why dinosaurs died out is still unknown.
When we will get together has not been decided.
How she can keep healthy is a secret.
Whether he will come is not very important.
Who will go
Which is the best
Why dinosaurs died out
When we will get together
How she can keep healthy
Whether he will come
找出主语从句。
翻译句子。
Who will go is important for me.
Which is the best is not clear.
Why dinosaurs died out is unknown.
Where we will get together has not been decided.
How she can keep healthy is a secret.
Whether he will come is not very important.
填空练习：
1) _________ the meeting will be held next week hasn’t been decided yet.
2) _________ the plan will be carried out is still unknown.
3) _________ the building of the car factory will be started hasn’t been decided yet.
4) _________ team will win the match is still unknown.
5) _________ we need is more time.
6) _________ we can arrive at the airport before 8 o’clock is still a question.
Where
When
When
Which
What
Whether
Task 2
Look for grammar rules
1. Where will the meeting be held is not decided.
Where the meeting will be held is not decided.

2. When will the work be finished is unknown.
When the work will be finished is unknown.

3. What will he do after graduation is a question.
What he will do after graduation is a question.
×
×
×
√
√
√
结论2：
主语从句应使用陈述句语序
_____ do shopping depends
on the weather.

A. When will we B. When we will
C. What will we D. What we will
Rewrite the sentences with subject clauses.
1. When will the scientist give a report? It is still a question.

When____________________________________________.
改写
the scientist will give a report is still a question.
2. Why is the earth becoming warmer? It is an important topic to scientists.

Why_________________________________________________________.
the earth is becoming warmer is an important topic to scientists
改写
Rewrite the sentences with subject clauses.
Task 3
exercises
I. 完成句子练习：

1.___________________(我们想知道的) is the time for the meeting.
2.______________________(火车什么时间来) is not known.
3.__________________(他们为什么来晚了) is clear.
What we want to know
When the train will come
Why they come late
完成下面的短文
After school when I got home, my mother saw that
_______________ (我很开心). I kept singing. ___________
(我所做的) surprised my mother. She asked me what had
happened. I told her___________________ (我得到一个好消息 ). The good news was _____________________________
(我月考取得好成绩获奖了)。What’s more, the decision had
been announced(宣布) by my teacher in my school.
___________________ (老师所说的话) encouraged me. All
my classmates congratulated me on the good news. I
decided to work harder._____________________ (我在学校所学的) would be very useful. I think I will realize my dream. I am looking forward to the college entrance exam.
I was very happy
What I did
that I got good news
that I got prize in the month exam
What my teacher said
What I learned at school
他出生在何地还不知道。

2. 谁会赢得比赛还不知道。

3. 谁来都欢迎。

4. 那个人为什么被谋杀尚不知道。
Where he was born has not been found.
Why the person was murdered is still unknown.
Who will win the match is still unknown.
Whoever comes is welcome.
主语从句三要素
he became a great scientist is known to us all.
Is what you told me really true?
谓语动词用单数
从句用陈述语序
不能省略关联词
How

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