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1、资料范本本资料为word版本，可以直接编辑和打印，感谢您的下载非常实用的名词性从句，不看会 后悔地点：时间：说明：本资料适用于约定双方经过谈判，协商而共同承认，共同遵守的责任与 义务，仅供参考，文档可直接下载或修改，不需要的部分可直接删除，使用时 请详细阅读内容名词性从句专题【知识要点】一、在句中起名词作用的从句叫名词性从句，它包括主语从句、宾语从 句、表语从句和同位语从句。如：Whether he will come here or not is unimportant to me.（主语 从句）I dont know what he means.（宾语从句）Im glad that you
2、 are here.（宾语从句用在形容词之后）The teacher is satisfied with what you have done.（介词宾语从句）That was because he was ill.（表语从句）The news that he got killed in the race surprised us all.（同位语 从句）二、引导名词性从句的连接词1. that引导的从句如果作介词宾语只可用在except，in，but，besides 等少数介词后。I could say nothing but that Im sorry.that引导的从句可作it的同位语从
3、句。如：You may depend upon it that all the goods will be delivered in time.2. that引导宾语从句时可省略；引导其他名词性从句时，一般不省略，特 别是引导主语从句且位于句首时。如：That the earth is round is true.The fact that he is a thief got around.注意：下面一句中，第一个that可省略，第二个that不可省略:He said （that） he had been working here for ten years and that he wante
4、d to go home.3. whether与if引导名词性从句时的区别。（1）在引导宾语从句时whether与if可互换，但如果和or not连用则只 用 whether。如：I dont know whether or not he can stay here longer.（2）如果宾语从句是否定结构，则用if而不用whether引导。如：He asked me if I wasnt going there.（3）介词宾语从句只能用whether引导。如：Im not interested in whether he is rich.（4）引导主语从句、表语从句或同位语从句一般多用wh
5、ether。如：The question is whether you can do it yourself.The question whether he will come here himself isnt decided yet.Whether it will do us harm or good remains to be seen.（5）用it作形式主语时，whether或if都可以引导主语从句。如：It is not clear to me whether/if he likes the present.4. 注意 what/whatever； who/whoever； whic
6、h/whichever 的区别。试比较 下列句子：Whoever will go to the concert please signs your name here.=Anyone who will go to the concert please signs your name here.Who will go to the concert isnt known.=Its unknown who will go to the concert.He wont believe whatever she says.=No matter what she says， he wont believe
7、 her.Whichhever toy you want is yours.=No matter which toy you want, it is yours.5. 注意 how long/how soon/how often/how much 的区别。How long will he stay here?他将在这里待多久？How soon can you be ready?你多久能准备好？How often do you visit her?你多长时间去探望她一次？How much is that dress?那件衣服多少钱？6. 当主句谓语动词表示不肯定或怀疑时，宾语从句用whether
8、/if引导；表 示有把握时用that引导。如：I doubt whether/if he can win the match.I dont doubt that he can win the match.7. what与that在引导主语从句时的区别：what引导主语从句时在从句中充当句子成分，如主语、宾语、表语，而 that则不然。如：What you said yesterday is right.That she is still alive is a fact.一、主语从句主语从句是在复合句中充当主语的从句，通常放在主句谓语动词之前或由 形式主语it代替，而本身放在句子末尾。1、it作
9、形式主语和it引导强调句的比较it作形式主语代替主语从句，主要是为了平衡句子结构，主语从句的连接 词没有变化。而it引导的强调句则是对句子某一部分进行强调，无论强调的是 什么成分，都可用连词that。被强调部分指人时也可用who/whom。如：It is a pity that you didnt go to see the film.你没去看那场电影 真是遗憾。It doesnt interest me whether you succeed or not .你成功与否对我 没有什么吸引力。2. 用it作形式主语的结构1) It is +名词+从句It is a fact that .事实是
10、It is an honor that.非常荣幸It is common knowledge that.是常识2) it is +形容词+从句It is natural that.很自然It is strange that.奇怪的是3) it is +不及物动词+从句It seems that.似乎It happened that.碰巧It occurs to me that.突然想起.4) it +过去分词+从句It is reported that.据报道It has been proved that.已证实It is said that据说.It is believed that.据相信
11、3. 主语从句不可位于句首的五种情况1) if引导的主语从句不可居于复合句句首。2) It is said , (reported).结构中的主语从句不可提前。如：据说江主席下周要来我校视察。It is said that President Jiang will visit our school next week.(right)That President Jiang will visit our school next week is said.(wrong)3) It happens.， It occurs.结构中的主语从句不可提前。如：他考试没及格。It occurred to hi
12、m that he failed in the examination.(right)That he failed in the examination occurred to him.(wrong)4) It doesnt matter how/whether .结构中的主语从句不可提前。 如：他是不是错了，这一点不重要。It doesnt matter whether he is wrong or not.(right)Whether he is wrong or not doesnt matter.(wrong)5) 含主语从句的复合句是疑问句时，主语从句不可提前。如：傍晚有可能下雨吗？
13、Is it likely that it will rain in the evening? (right)Is that will rain in the evening likely? (wrong)4. what与that在引导主语从句时的区别what引导主语从句时在从句中充当句子成分，如主语、宾语、表语，而 that则不然。如：What you said yesterday is right.你昨天说的是对的。二、宾语从句宾语从句就是在复合句中作宾语的名词性从句，通常放在主句谓语动词 （及物动词）或介词之后。1. 作动词的宾语1）由that引导的宾语从句（that通常可以省略），如：I
14、 heard that he joined the army.我听说他参军了。2）由what，whether （if）引导的宾语从句，如：She did not know what had happened.她不知道发生了什么事。3）动词+间接宾语+宾语从句。如：She told me that she would accept my invitation. 她跟我说她愿意接 受我的邀请。2. 作介词的宾语，如：Our success depends upon how well we can cooperate with one another.我们的成功取决于我们的合作情况。3. 作形容词的
15、宾语，如：I am afraid （that）Ive made a mistake. 我恐怕是犯错了。that引导的从句常跟在下列形容词后作宾语：anxious， aware， certain， confident， convinced， determined， glad， proud， surprised， worried， sorry， thankful， ashamed， disappointed， annoyed， pleased， hurt， satisfied， content 等。也可以将此类词后的 that从句看作原因状语从句。4.it可以作为形式宾语it不仅可以作为形式主语，还可以作为形式宾语而把真正的宾语that从 句放在句尾，特别是在带复合宾语的句子中。如：We heard it that she would get married next month. 我们听说她打算 下个月结婚。5. 后边不能直接跟that从句的动词这类动词有 allow, refuse, let, like, cause, force, admir
