在复合句中充当主语成份的句子叫做主语从句。引导主语从句的词有连词that;whether 。疑问代词who; what;which;whatever;whichever;whoever。疑问副词when;where;why;how等。
That she won the game made us very happy.
What is needed is careful preparation.
Whether she is coming or not doesn’t matter too much.
Who will go there makes no difference.
Which team will win the match is still not certain.
Why he did that was a secret.
That he will succeed is certain.
That her mother was ill made her very sad.
It is certain that he will succeed.
It makes me very happy that she won the game.
It made her very sad that her mother was ill.
Is it certain that he will come?
Is it true that he would take the risk?
Whether she will go there is not known
Whether I will accept the job is not decided.
It is not decided whether / if I will accept the job.
用what;whatever;whoever;whichever引导主语从句时,不能用it做形式主语 。但用when;where; why;wherever;whenever引导主语从句时,可以用it做形式主语 。
What we need is your help.
What she said is not true.
Whatever I have is yours.
Whoever comes will be welcome.
Wherever she wants to go is not allowed.
Why he did this is not known.
It is not known why he did this.
It is still unknown when she will come.
在复合句中充当表语成份的句子叫做表语从句。引导表语从句的连接词有连词that;whether;as if。疑问代词who;what;which 。 e.g.
The trouble is that she has lost his telephone number.
The question is whether it is worth doing.
It looks as if it was going to snow.
That is where she was born.
That is how she did it.
That’s why she was late.
The fact is that the child is lying.
The trouble is that we are short of money.
The reason he did not come is that he was ill.
My opinion is that you should finish your homework first.
当表语从句为不确定语气时,用whether来引导 。此时不能用if来代替 。
The first question is whether it is true or not.
The question is whether people will buy it.
What I want to know is whether I should go there.
The question remains whether we can win the majority of the people.
The problem is how we could make him understand it.
The question is where we can get the books.
That’s why Wang Dong got scolded.
五.as if;as though引导的表语从句 。
He looks as if / as though he were angry.
I think that he will be all right in a few days.
Do you know whom they are waiting for.
He asked whose dictionary it was.
Please pay attention to what the teacher said.
I d on’t know when and where we are going to have the meeting.
Can you tell me how I can get to the railway station?
I wonder whether you can get here on time.
She told me that she would accept my invitation.
I hear that Physics isn’t e asy.
Our success depends upon how well we can cooperate with one another.
He differed from his colleagues in that he devoted his spare time to reading.
I’m very pleased that you all have passed the examination.
I’m afraid that I have made a mistake.
We are not sure whether we can persuade him out of smoking.
I told him (that) he was wrong.
Let’s suppose (that) one day this happens to you.
We think it wrong that he told a lie to his parents.
We thought it a pity that she missed the chance.
He has made it clear that he won’t agree to the plan.
We consider it necessary that we should open our door to the outside world.
I wish (that) we could go sightseeing in Hangzhou this summer and that we could buy some clothes on our way back in Shanghai.
当宾语从句表示不肯定或疑问意义时由whether;if来引导。表示“是否”,“是不是”时,一般可以互换 。但是在句子中如果有or not, 只能用whether 。此外,在做介词的宾语从句时也只能用whether, 而不能用if来引导。
He asked if / whether she would come.
I don’t know whether he will come or not.
They are talking about whether he will win the game.
Everything depends on whether you agree with us.
You may ask him when he will come.
Do you know who will come to dinner this evening?
He asked whose handwriting was the best in our class.
Please tell me where you are going.
He didn’t know why she didn’t go to school that day
I wonder whom she wants to see.
She wants to know whether I like that film.
The teacher asked me if I could finish my homework on time
Do you know why January is hotter than July in Australia?
I’m not interested in what he is doing.
She says that she works from Monday to Friday.
She says that she will have a message on his desk.
She says that she has never been to the Great Wall.
He said that they were having a meeting at that time.
He said that he would do everything he could to help her.
The teacher said that light travels much faster than sound.
The teacher told us that nothing is difficult if we put our hearts into it.
在复合句中充当同位语成份的句子叫做同位语从句 。同位语从句用在某些名词如idea;fact;news;promise 之后,说明或解释这些名词 。引导同位语从句的连接词有连词that。疑问副词when;where;how等。
I have no idea when he will be back.
We heard the news that our team had won.
There arose the question where we could get the loan.
在下列名词后面用that引导同位语从句。他们是:answer;belief;doubt;fact;hope;idea;information; knowledge;law;news;opinion;plan;suggestion;thought;truth;explanation;order 。
I had no idea that you were here.
The fact that he won the first prize can’t be denied.
Have you heard the news that Mary will be back soon.
I have no idea where he has gone.
She had no idea how she should do.
The suggestion that the plan (should) be delayed will be discussed tomorrow.
She refused the demand that he should do the work alone.。