1. he was preparing for the examination

2. 如果主句谓语是过去时,从句谓语动词一般用过去的 　 某种时态,但从句表达的是客观事实、真理、自然规 　　 律等时，从句谓语通常用一般现在时。 　 1). 他告诉我他正在为考试做准备。 　 He told me ______________________ . 　 2). 他说他已离开家乡十年了。 　 He told me ______________________. 　 3). 老师告诉我们光是沿直线运行的。 　 The teacher tell us ______________________

1. 如果主句时态是现在时或将来时,从句谓语可根据句意需要而选用任一种时态. 　　 a .他相信他的梦想总有一天会实现的. 　　 He believes _________________________ . 　　 b .请告诉我你昨天这个时候在干什么. 　　 Please tell me _________________________.

a. his dream will come true some day

b. what you were doing at this time yesterday

6._______ you are not free tomorrow, I’ll go without you

Keys: 1.Whether/if　 2. whether　 　3.whether　 　4.whether　 　5. whether　 　6. If

2).that在宾语从句中的省略与保留

a.在主+谓+it(形式宾语)+宾补+that从句(真正宾语) 的句型中不省略.

　eg: We must make it clear that we mean what we say.

　　　 I don’t think it right that you leave home without telling your parents.

b.由连词and连接的两个由that引导的宾语从句中,第二个that 不省略.

eg: He told me( that) he would come and that he would come on time.

宾语从句的时态呼应

5. ______ they can do it matters little to us.

4. It depends on ______ we will have enough money.

3. The question is ______ this book is worth writing.

2. I don’t know _______ or not I’ll be free tomorrow.

1. I don’t know _______ I’ll be free tomorrow.

2. That you missed the chance is a pity.

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由连词 whether 和 if, 连接代词 what, who, which 和连接副词 when, where, why, how 等引导.也常常后置:

It doesn’t matter if/whether he is a foreigner.

It is a question whether he is willing to come.

It is unknown how she has reduced her weight in such a short time

It 的用法： (形式主语)

　 It’ possible/important/necessary/clear… that……很可能/重要的是…/必要的是…/很清楚…

　 It’s said/ reported… that..据说/据报道…

　 It’s been announced/declared that..已经通知/宣布…

　 It seems/appears/happens.. that…显然、明显、　　　 碰巧..

　 It’s no wonder that…并不奇怪/无疑…

　 It’s a pity/a fact /a common knowledge (众所周知)

　　 / a common saying….(俗话说)

It is well known /reported　 / thought/said…　 that…

　It is clear/ necessary/　 certain/ true/doubtful…that…

It is a pity/a shame/an honour/　 that…

It doesn’t matter whether…

It seems that…　

It happens that…

考点二 注意：主语从句中 ，谓语动词一般用单数

What引导的主语从句，可根据表语决定

What he needs _is_ that book?

What he needs _are_ some book?

宾语从句：1.从句在句中充当宾语成分( 可以作谓语动词、介词、形容词，不定式等非谓语动词的宾语)

连词：that, whether, if (that 常可省略) who, what, which, whoever, whatever, when, where,　 why, how

1). They know that the habit will kill them.

2).It all depends on whether they will support us.

3) I am afraid that he didn’t call me.

4).He made it clear to the public that he did an important and necessary job.　　　　

5).I find it necessary that we should do the homework.

用if 或whether 填空