语法专题 名词性从句 (Noun Clauses)1.概念在句子中起名词作用的句子叫名词性从句。

2. 种类1) 主语从句: 主语从句 + 谓语动词+ 其他2) 表语从句: 主语 + 系动词+ 表语从句3) 宾语从句: 及物动词 /介词+ 宾语从句4) 同位语从句: 名词 /代词+ 同位语从句 3.名从引导词分类及作用:名词性从句的引导词作用 连接词that, whether/if （是否） 不作成分只起连接作用 连接代词what(ever) ，who(ever)， whom(ever) ， which(ever) whose 作主、宾、表、 定语 连接副词 when(ever), where(ver), why, how, 作状语缺主/宾/表/ 定补代词what(ever)who(ever) whom(ever) which(ever) whose只缺“是否”意思补whether ，if 什么都不缺that 补副词when(ever),where(ver), why, how 解题方法：2 、分析从句句子成分,缺什么，补什么1、找主句谓语，确定是什么从句3、确定词性后,再根据句子意思选择引导词。

缺状语例句展示◆That they will win the game is certain. →It is certain that they will win the game.◆Whether the task can be finished on time is still unknown.→It is still unknown whether the task can be finished on time.◆Why he didn’t come here is not clear to anyone.→It is not clear to anyone why he didn’t come here.◆Whoever breaks the law should be punished.◆What he said at the meeting is important.例句展示★Can you tell me when and how I can get to the city?★I don’t understand what he means.★I am not sure whether he would help me.★He said that he had visited his former English teacher several times.例句展示◆It is still a question whether the bridge can be completed next month.◆When she heard the news that the earthquake happened in her hometown, she lost consciousness.◆They have no idea whether they should go on with the search.◆The question who can go to the meeting hasn’t been decided.名从考点：1. what和that_____he can’t finish the work on time is ____makes us worry. (KEY:That，what) 注：what在从句中作主语、宾语、表语等。

that只起连接作用, 在从句中不作任何成分。

2. 名词性从句中的谓语语气问题1) I advise that he ____________ (stay) and wait here．2) It is advised that we __________ (hold) another meeting to discuss the question.3) My advice is that the injured man ________ (send) to hospital at once．KEY 1) (should) stay 2) (should) hold 3) (should) be sent注：表“建议、命令、要求、安排”等词其后的名词性从句要用虚拟语气：（should）+动词原形。

此类词有：advise/suggest/propose/ recommend/insist/order/command/demand / require/ request等等。

3. that的省略与保留1) _______ they would take the risk is clear.2) The reason is ______ he is careless.3) I don’t think _______ she is coming.4) We all knew ______ he got the first prize and ______ he was very excited.5).We must make it clear ______ we mean what we say.KEY 1)That 2)that 3) (that) 4) (that), that 5)that注：可省：单个的宾语从句中不可省：主从，表从中；并列宾语从句中, 第2个宾语从句中的that不省；在it作形式主/宾语的句型中。

4. which, what1) I can’t imagine _______ made him act like that.2) ______ he wants is a book.3) I read about it in this book or that book, I can’t remember ______ it was.4) Would you mind telling me ______ language your friend speaks, English or French?KEY 1) what 2) What 3) which 4) which注：what 什么, 泛指；which哪个, 一般有选择范围。

EX1 语法填空1. The fact has worried many scientists the earth is becoming warmer and warmer these years.2. Could I speak to is in charge of International Sales please?3. We have been prepared to do it takes to save her life.4. News came from the school office Wang Lin had been admitted to Beijing University.5. As a new diplomat, he often thinks of he can react more appropriately on such occasions.6. was most important to her, she told me, was her family.7. When asked they loved most, 90% of the kids turned it to their parents.8. The little girl who got lost decided to remain she was and wait for her mother.EX2 完成句子1. 大家都公认，树木对于环保是很必要的。

(It is universally acknowledged that...)are indispensable to __________________ 2. 据报道，洪水让两千多人无家可归。

(It is reported that..., leave...homeless)_____________________________________________________________________ 3. 十分之九的父母都说他们教育孩子的方式与他们自己的父母比起来有很大的差异。

(there were significant differences in their approach to sth., compared with)4. 他昨天上学迟到，因为遇上了交通堵塞。

(the reason why ... is that ..., be stuck in)5. 唯一奇怪的是各州都对这个消息充耳不闻。

(the only wonder is that ..., close one’s ears to sth.)_____________________________________________________________________EX3 翻译句子1. 很明显，学生应该为自己的将来作好准备。

(主语从句)_____________________________________________________________________ 2. 想要待在宾馆里的人自己买单。

(主语从句，pay one’s own way)_____________________________________________________________________ 3. 他每天读英语，难怪英语学得这么好。

(主语从句)_____________________________________________________________________ 4. 在那个贫穷的小村庄的所见所闻给我们留下了深刻的印象。

(主语从句)_______________________________________________________________________________ 5. 作为他最好的朋友，我确信他会准时到的。

(宾语从句)_____________________________________________________________________6. 他自己对他在这篇文章中写的东西不满意。

(宾语从句)7. 我无法想象他是如何解出这道难题的。

(宾语从句)_____________________________________________________________________ 8. 最后一次我们玩得很开心是在参观海洋公园的时候。