英語語法主語從句公開課

1、Noun clauses asNoun clauses as the subjectthe subject.I like English.The train left.( (名詞名詞） （不定式）（不定式） （動名詞）（動名詞） ( (從句）從句） ., 它是名詞性從句之一。它是名詞性從句之一。引導(dǎo)主語從句的連接詞有：引導(dǎo)主語從句的連接詞有：從屬從屬連詞連詞that, whether；連接代詞；連接代詞who, what和和which；連接副詞；連接副詞when, where, how和和why。. 1.了解名詞性從句的基本用法，掌握名詞性從句的引導(dǎo)詞及引導(dǎo)詞在名詞性從句中的作用，辨析that

2、與what,if與whether等引導(dǎo)詞的用法。 2.明確it作形式主語和形式賓語、代替主語從句及賓語從句的用法，及其與強(qiáng)調(diào)句的區(qū)別。 3.區(qū)分that引導(dǎo)的同位語從句及定語從句。. That he will come is certain. Whether he will come is uncertain.引導(dǎo)詞引導(dǎo)詞1) 從屬連詞從屬連詞that和和whether：thatthat是否是否whetherwhetherifif. Who will go makes no difference. What we need is more time. Which book I shall ch

3、oose hasnt been decided.2) 連接代詞連接代詞who, what, which引導(dǎo)詞引導(dǎo)詞. Whoever comes is welcome. Whatever I have is yours. Whichever you want is yours.3)連接代詞連接代詞whoever, whatever, whichever引導(dǎo)詞引導(dǎo)詞 whatever=anything that whoever=anyone who. When we will leave hasnt been decided. How she keeps healthy is a secret.

4、 Why he cries is not clear. Where the meeting will be held is not known.4) 連接副詞連接副詞when, where, how ,why引導(dǎo)詞引導(dǎo)詞.1.引導(dǎo)詞引導(dǎo)詞： 從屬連詞從屬連詞 that, whether； 連接代詞連接代詞 who, what, which； whoever, whatever, whichever; 連接副詞連接副詞 when, where, how和和why。2. 語序語序：陳述句語序：陳述句語序3. 主語從句的特點：主語從句的特點：.It is certain that he will w

5、in the match.That he will win the match is certain. 注解：一般來說主語從句都是放在注解：一般來說主語從句都是放在 ,但有時為了使句子但有時為了使句子 ，避免，避免頭重腳輕頭重腳輕,常用常用 作作 ，從而把主語從句放在，從而把主語從句放在 句首句首保持平衡保持平衡 it 形式主語形式主語后面后面.這樣就構(gòu)成了下面一些常用句型這樣就構(gòu)成了下面一些常用句型: 1) It is + n. +that It is a pity/shame that. 可惜的是可惜的是 It is a surprise that 令人吃驚的是令人吃驚的是 It is a

6、 fact that 事實是事實是 It is common knowledge that 是常識是常識 *_(很可惜很可惜)we lost the match.*_(這是事實這是事實)he cheated in the exam.It is a pity thatIt is a fact that.1. 令人吃驚的是他改變了主意。令人吃驚的是他改變了主意。 It is a surprise that he changed his mind.2. 真可惜你錯過了這么一個好機(jī)會。真可惜你錯過了這么一個好機(jī)會。 It is a pity that you missed such a good ch

7、ance.3. 事實是我們周圍的污染正變得越來越嚴(yán)重。事實是我們周圍的污染正變得越來越嚴(yán)重。 It is a fact that the pollution around us is becoming more and more serious.2) It is + adj. +that Its certain that 肯定肯定 It is possible/likely that. 很可能很可能 It is obvious/clear that 很明顯很明顯 It is true that的確的確 It is necessary important natural. that*_(很可能很

8、可能)she will come back tomorrow.*_(很明顯很明顯) he is an English.+(should) +doIt is possible thatIt is obvious that.1. 很可能他會申請這項工作的。很可能他會申請這項工作的。 It is likely that he will apply for the job.2. 的確我犯了個錯誤。的確我犯了個錯誤。 It is true that I made a mistake.3. 有必要我們要學(xué)習(xí)英語。有必要我們要學(xué)習(xí)英語。 It is necessary that we should lear

9、n English.3) It +不及物動詞不及物動詞+that It happened that. 碰巧碰巧 It hit/struck/occurred to me that我突然想我突然想起起 It appears/seems that 似乎，好像似乎，好像 It turned out that 原來原來*_(剛好剛好)I was out yesterday.*_(我突然想起我突然想起)I forgot to send the letter.It happened thatIt occurred to me that.1. 好像是我錯了。好像是我錯了。 It appears that I

10、 am wrong.2. 碰巧他得去參加一個會議。碰巧他得去參加一個會議。 It happened that he had to attend a meeting.3. 我突然想起他會說英語。我突然想起他會說英語。 It occurs to me that he can speak English.4. 原來他是原來他是Mary的朋友。的朋友。 It turned out that he was Marys friend.4) It + be +過去分詞過去分詞+從句從句 It is said that. 據(jù)說據(jù)說 It is known to all that. 眾所周知眾所周知 It is

11、 reported that. 據(jù)報道據(jù)報道 It is believed that.據(jù)相信據(jù)相信;人們相信人們相信 It is suggested that + (should）do. 建議建議*_(據(jù)報道據(jù)報道)20 people were killed in the accident. *_(建議建議)we should eat more vegetable and do more exercise.It is reported thatIt is suggested that.1.據(jù)說他已經(jīng)去了上海。據(jù)說他已經(jīng)去了上海。Its said that he has gone to Shan

12、ghai.2. 眾所周知臺灣是中國的一部分眾所周知臺灣是中國的一部分.It is known to all that Taiwan is part of China.3. 有人建議我們應(yīng)該多做運(yùn)動。有人建議我們應(yīng)該多做運(yùn)動。It is suggested that we should take more exercise.例1.When will he come is not known.規(guī)律一、規(guī)律一、主語從句一律用陳述語序，主語從句一律用陳述語序， 即主語在前，謂語在后。即主語在前，謂語在后。正：When he will come is not known.例2. He will not

13、come to the meeting this evening is true.正：That he will not come to the meeting this evening is true.規(guī)律二、規(guī)律二、連詞連詞that 在從句中無實際意義，在從句中無實際意義， 但不能省略。但不能省略。.例3. If the meeting will be put off has not been decided yet.正： Whether the meeting will be put off has not been decided yet.例4. When he will come ar

14、e a puzzle.正：When he will come is a puzzle.規(guī)律四、規(guī)律四、主語從句的謂語動詞多用主語從句的謂語動詞多用 單數(shù)第三人稱形式。單數(shù)第三人稱形式。.When the meeting will begin _ (have) not been decided yet .hasWhen they will start and where they will go _(be)still unknown.When and where the meeting will begin _ (have) not been decided yet .arehas.例例5 1.

15、 What he needs _ that book. 2. What he needs _some books.規(guī)律五、規(guī)律五、what 引導(dǎo)的主語從句，可根據(jù)引導(dǎo)的主語從句，可根據(jù) 表語決定主句動詞的單復(fù)數(shù)形式表語決定主句動詞的單復(fù)數(shù)形式。isare.他是不是我的孩子仍然是個問題。他是不是我的孩子仍然是個問題。Whether he is my child remains a question.What I like most is your hairstyle.我最喜歡的我最喜歡的是你的發(fā)型。是你的發(fā)型。.What I need is rest.我需要的就我需要的就是休息。是休息。.How

16、 Du Lala becomes successful depends on her hard work.杜拉拉如何成杜拉拉如何成功取決于她的功取決于她的勤奮。勤奮。.It is common knowledge that we should wear rain shoes on rainy days.雨天要穿雨鞋（雨天要穿雨鞋（rain shoes）是常識。）是常識。.2. _ they can solve the question is still unknown. A. If B. Which C. Whether D. What3. _ he said at the meeting a

17、stonished everybody. A. Why B. What C. That D. Who4. _ is a fact that English is accepted as an international language. A. There B. This C. That D. It1. _ we need more practice is quite obvious. A. What B. That C. When D. /.Correct or not?*When the meeting will be held havent been known yet. be held

18、 hasnt been known yet.Pay attention:主語從句的謂語用主語從句的謂語用單數(shù)單數(shù)形式形式 10. the cat domade What the cat did made the baby cry.WhatcryMake a sentence30.1.The question is _ the film is worth seeing.2._ we shall attend the meeting hasnt been decided yet. 用用whetherif填空填空whetherWhether10.Translate the sentence*_(他他

19、們很需要幫助們很需要幫助)is quite clear. That they are badly in need of help20.talk aboutthe use of cell phone What they are talking about is the use of cell phone.Make a sentence30.* If we will have a meeting hasnt been decided yet.Correct or not?Whether we will. decided yet.Pay attention:放在名詞性從句放在名詞性從句句首句首，表示

20、，表示“是否是否”，只能用，只能用whether, 不能用不能用if10.Translate the sentence*It is known to us_(馬克馬克.吐溫怎樣成吐溫怎樣成為一位偉大的作家為一位偉大的作家). how Mark Twain became a great writer20.report , get the highest points, match It is reported that Yao Ming got the highest points in the match.Make a sentence30. Correct or not?Pay attent

21、ion:注意注意虛擬語氣虛擬語氣在名詞性從句中的在名詞性從句中的使用！在使用！在It is necessary important natural. that句型中，從句的謂語要用句型中，從句的謂語要用should+do 的形式的形式It is important that we should finish.*It is important that we will finish the work on time. 10. Correct or not?Pay attention:此主語從句此主語從句缺少成分缺少成分-賓語，賓語，故用作成分的故用作成分的what來引導(dǎo)，而不用來引導(dǎo)，而不用th

22、at。What she wants to know is.*That she wants to know is when the party will be held . 10. Correct or not?Pay attention:由由that引導(dǎo)的主語從句放在句引導(dǎo)的主語從句放在句首，首，that 不能省略不能省略。That he will give up*He will give up his job surprises all of us.10.Translate the sentence*_（她是否出席會議）（她是否出席會議）is not certain.Whether she

23、will attend the meeting20.It makes the teacher angry that the child doesnt know the answer.teacher angryDont know the answerMake a sentence30.鏈接高考鏈接高考 【2013北京】31._makes the book so extraordinary is the creative imagination of the writer. A. That B. What C. Who D. Which 【2013四川】6. _ you said at the m

24、eeting describes a bright future for the company. A. When B. How C. What D. That. 【2013天津】15. _I want to tell you is the deep love and respect I have for my parents. A. That B. Which C. Whether D. What 【2013重慶】28. _ struck me most in the movie was the fathers deep love for his son. A. That B. It C. What D. Which 【2013江西】30._ one of you breaks the window will have to pay it. A. Whoever B. Whatever C