Grammar6th表语,同位语从句.doc

Grammar 6th
Predicative clause表语从句
在系动词后面也可以跟一个由连接词引引导的句子,这种结构就被称为表语从句。
一、that引导的表语从句
其结构为:主语+ 连系动词+ that-从句。
. The fact is that he didn’t even take the exam.
What I particularly dislike about this lesson is that it is really boring.
The trouble is that I have lost the documents.
二、wh-疑问词引导的表语从句
wh-疑问同引导的从句作“This is”和“That is”的表语时,它们通常不含有疑问意义,而是分别表现:具体的地点时间、原因干和方式等。
. His difficulty is where he should raise enough money.
That is why he Was late for an hour.
What is troubling us is where we can find him.
She is no longer what she was five years ago.
三、从属连词as if,as though,because,just as等引导的表语从句
从属连词也可以用来引导标表语从句。
. It looks as if we will be late.
He looked just as he had looked ten years ago.(注意从句中为虚拟语气结构)
It may be because I didn’t have a good sleep yesterday evening.
四、使用表语从句时应注意的问题
,表语从句要用that,不能用because。
. The reason why she called me is that she will not attend the party.
The reason why he was dismissed was that he was careless and irresponsible.
,不能用 if。
. His first question was whether Tom had arrived yet.
Appositive clause同位语从句
同位语从句用于对名词作进一步解释,具体说明名词的实际内容。
一、同位语从句通常由that引导
(事实),idea(想法),hope(希掣),conclusion(结沦),evidence(证据),opinion(意见),problem(想法),understanding(认识)等名词后面做同位语。
. He had to face the fact that he was laid off his job.
The news that the team won the game is