名词性从句.(--)pptPPT文档格式.ppt

1、The man looked around.That the boy failed again in the exam disappointed his mother.同样作主语，从句可以表示较复杂的含义,一般是个动作或性质I know him.I know that he is writing his composition in his room2.为什么要有名词性从句？那人看了看四周.（名词作主语）那孩子考试又不及格令他母亲很失望.（从句作主语）我知道他在房间里写作文.从句的特征:是一个句子,有一个引导词,引导词做从句的一个成分（that 除外）名词能做的成分,从句都能做 从句表达的意思

2、比名词复杂得多 主语从句that whether who whom whose what which when where why how从 句引导词:1.That he knows Japanese is known to all.他懂日语,这一点大家都知道令我惊讶的是在这儿见到他.3.When he will come is unknown.4.Whether he is coming doesnt matter much.他来不来没什么要紧的他什么时候来不清楚.他们是怎么登上山顶的仍是个秘密.5.It remains a secret how they climbed up the mo

3、untain.主语从句的位置 1.在句首 2.主语较长时通常放在后面,句首主语用 It 主语太长了!放到句尾Details Details Details Details That无词义无词义,不可省略不可省略What“什么”,“所.的”2.What surprised me was to see him here.When“什么时候”主语从句主语从句不用不用 if位于句首位于句首 It 作主语的常用句型有:1.It+be+形容词+that 从句2.It+be+名称词组（duty/pity.）+that 从句3.It+be+过去分词（said/thought.）+that 从句4.It+不及物

4、动词（seem/happen.）+that 从句 It is a pity that we cant go swimming.It is said that he told her everything.It happened that I was out that day.It is certain that he will do well in the exam.1.真可惜我们不能去游泳.2.碰巧那天我外出了.3.他考试肯定会考好.4.据说他已告诉了她一切.注意:It looked that he was right.（）可以说:It looks as if.happen只有 it 句型I

5、t is said只有 it 句型More Is it true that the scientist will give us a lecture?（）Is that the scientist will give us a lecture true?（）疑问句中应该用 形式主语It 句型1Whatever we do must be in the interest of the people.（）It must be in the interest of the people whatever we do（）2名词性关系代词whatever/whoever/whichever/wherev

6、er/what引导的主语从句一般放在句首改错1.It is true what he said.What he said is true.放在句首2.Is that he will come certain?Is it certain that he will come?问句3.He can swim is known to all.That he can swim is known to all.从句必须有引导词表语从句从 句 同主语从句（11个）,外加as if/引导词:as though,1.The truth is that he has never been to the count

7、ryside.2.The question is whether we can finish the experiment by Friday.3.It looks as if it were going to rain.实际情况是他从未去过农村.that 一般不省略问题在于我们能否在明天下午之前完成这项实验.表语从句不用 if好象看上去要下雨似的.（其实不会）as if/as though从句常表示不真实的情况She talks as if/as though she had been there before.她说话的口气好象以前去过那儿似的.又比如:4.This school is no

8、 longer what it was before.这所学校已不再是从前的那个样子了.what=the thing that More 系动词后面系动词后面注意下列表语从句中where,how,why 的译法1.This is where Lu Xun once lived.2.That was how they won the match.3.This is why she got up so early this morning.这就是鲁迅曾经住过的地方.他们就是这样赢得这场比赛的.这就是她为什么今天早上起得这么早的原因.1.我们就是这样克服困难的.2.那就是他昨天缺席的原因.3.这就是

9、我们上星期日碰头的地方.This is/That was how we overcame the difficulties.That is why he was absent yesterday.This is where we met last Sunday.固定句型:This is where This is why This is how.这就是的地方这就是的原因这就是的方法 宾语从句从 句 （同主语从句）,增加 if,可与whether引导词:互换,但不与 or not 连用1.They pretended（that）they knew how to do it.他们假装知道怎么做这事

10、。That从句做pretend的宾语我暗中想他讲的不是真话.谓语与从句之间有插入语时,that 不可省不可省略略2.I thought to myself that he was not telling the truth.3.She said（that）she couldnt tell me and that I couldnt understand.宾语从句并列时,只省略第一个 that 4.Everything depends on whether we have enough time.（if）if/whether 表示“是否”可以互换,五种情况只用whether:1.在介词后面 2.

11、与or not连用 3.在主语从句,表语从句,同位语从句中5.I dont know whether he will come or not.（if）6.The question is whether he will agree.（if）More 1.I doubt if/whether he will pass the exam.2.I dont doubt that we will win the match.3.Do you doubt that he did it on his own?doubt问题肯定句中用 if/whether否定句中用 that 疑定句中用 that 1.I d

12、oubt _he is telling the truth.2.We never doubt _ the plan will be carried out.3.Does he doubt _ you are from Austria?4.Im doubtful _ he will agree to this.if/whether that that if/whether 宾语从句经常做介词的宾语1.The Swede stood still,except _ his lips moved slightly.2.She is not satisfied with _ she has achiev

13、ed.3.Mary always thinks of _ she can do more for the class.4.He wrote a letter of thanks to _ helped him.（任何一个）5.It depends on if we have enough time.whether we have enough time.介词后面不用 if that what how whoever6.Are you sorry for which you have done?what you have done?介词后面不用 which 宾语从句经常作表语形容词的宾语1.Im

14、 afraid （that）Ill be late.2.We were surprised that he lost the game.我恐怕要迟到了.that 可以省略我们对他在比赛中的失败感到惊异.此类表语形容词有:afraid pleased happysatisfied anxious suresurprised certain gladaware用它们造句that 从句只跟在 except,but,in,besides,save五个介词后面1.We think that middle school students master one foreign language possib

15、le.（改用形式宾语 it）2.2.We have made that a foreign language is useful weapon in the struggle of life clear.（改用形式宾语 it）我认为学好英语是必要的.英语有句尾重心的原则I consider that we should learn English well necessary.We consider her suitable for the job.句尾太轻宾语宾补consider find think feel make 等动词常带宾语补足语,这时要用形式宾语 it,宾语从句放到宾补之后We think it possible that middle school students master one foreign language.We have made it clear that a foreign language is useful weapon in the struggle of life.exerciseI consider it necessary that we should learn English wellit不能漏从句后移correction1