高中英语语法 主语从句原创

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主语从句the subject clause

一、判断从句类型

1. I don’t believe they have finished their work yet.

2. The problem is how we can get the money.

Conclusion:

① 在句中作主语的从句叫____________.

② 主语从句既可位于句首，如3、4，

可位于句尾，用____作形式主语，如 5.

主语从句

it

3. Whether he will come is still uncertain.

4. What the teacher said today was quite right.

5. It is certain that Jim will do well in the final exam.

找出主语从句和连接词

1.That he will come is certain.

2.Whether it will satisfy them is not easy to say.

3.Which side will win is not clear.

4. Why he did it remains a mystery.

5.When they will start is not known yet.

6.What seems easy to some people seems difficult to others.

由that引导的主语从句

1. _____is certain that he is willing to help you out.

2. _____ he is willing to help you out is certain.

It

That

Exercise:

①______ is quite clear that the president can do something to end the strike.

② _____ you don’t like him is none of my business.

It

That

③ It worried him a bit ______his child had a bad cold.

④ _____ light travels faster than sound is common knowledge.

that

That

由________引导的主语从句

1.________the sports meeting will be held is still a problem.

2. It was not clear _________its shape would last or not.

whether

Whether

whether

Exercise:

① ______we will go camping tomorrow depends on the weather.

②她是否会来仍是未知数。

_____ ___ ___ __ ___ __ is still a problem.

Whether

Whether she will come or not

由连接代词what，which，who, whom, whose 等引导的主语从句

1. _____he said at the meeting astonished everybody present.

2. _____ will take the place of Mr. Li as our new headmaster hasn’t been decided.

3. _______plan is better will be announced later.

What

Who

Which

Exercise ：

①_____ we need is more time.

② It is still a mystery _____ caused the accident.

③ ______ makes the book so outstanding is the creative imagination of the writer.

What

What

What

由___________________引导的主语从句。

1._____ the delayed flight will take off depends much on the weather.

2.____ we will go tomorrow hasn’t been decided. But most of us agree to go by bike.

3.______ Mike didn’t turn up at the meeting yesterday is unknown.

4._______ the library is to be build had been decided yet.

When

How

Why

Where

when,where,why,how

辨析

1. that 与 what 引导的主语从句区别

①_____ was most important to her was money.

②_____ he was late for school made the teacher angry.

③ ______is well-known is that more and more students are interested in learning English.

What

What

That

④ It is well-known ____more and more students are interested in learning English.

⑤ _____ he lost the bike worried him a lot.

⑥_____ surprised us was _____ he failed once again.

What

that

That

that

2. what 与 whatever 的区别

①Your support is important to our work.______ you can do helps.

② _______ he likes will be given to him.

拓展

③ ________ makes mistakes must correct them.

Whatever

Whatever

Whoever

课本追踪

1. _____ it was to become was uncertain until between 4.5 and 3.8 billion years ago.

2. ______ is even more important is that as the earth cooled down, water began to appear on its surface.

What

What

3. ______ they suddenly disappeared still remains a mystery.

4. _______ life will continue on the earth for millions of years to come will depend on ______ this proble can be solved.

Why

Whether

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