英语语法主语从句公开课（课堂PPT）

1、Noun clauses asNoun clauses as the subjectthe subject23I like English.The train left.4( (名词名词） （不定式）（不定式） （动名词）（动名词） ( (从句）从句） 5, 它是名词性从句之它是名词性从句之一。引导主语从句的连接词有：一。引导主语从句的连接词有：从属从属连词连词that, whether；连接代词；连接代词who, what和和which；连接副词；连接副词when, where, how和和why。6 1.了解名词性从句的基本用法，掌握名词性从句的引导词及引导词在名词性从句中的作用，辨析th

2、at与what,if与whether等引导词的用法。 2.明确it作形式主语和形式宾语、代替主语从句及宾语从句的用法，及其与强调句的区别。 3.区分that引导的同位语从句及定语从句。78910 That he will come is certain. Whether he will come is uncertain.引导词引导词1) 从属连词从属连词that和和whether：thatthat是否是否whetherwhetherifif11 Who will go makes no difference. What we need is more time. Which book I s

3、hall choose hasnt been decided.2) 连接代词连接代词who, what, which引导词引导词12 Whoever comes is welcome. Whatever I have is yours. Whichever you want is yours.3)连接代词连接代词whoever, whatever, whichever引导词引导词 whatever=anything that whoever=anyone who13 When we will leave hasnt been decided. How she keeps healthy is

4、a secret. Why he cries is not clear. Where the meeting will be held is not known.4) 连接副词连接副词when, where, how ,why引导词引导词141.引导词引导词： 从属连词从属连词 that, whether； 连接代词连接代词 who, what, which； whoever, whatever, whichever; 连接副词连接副词 when, where, how和和why。2. 语序语序：陈述句语序：陈述句语序3. 主语从句的特点：主语从句的特点：15It is certain tha

5、t he will win the match.That he will win the match is certain. 注解：一般来说主语从句都是放在注解：一般来说主语从句都是放在 ,但有时为了使句子但有时为了使句子 ，避免，避免头重脚轻头重脚轻,常用常用 作作 ，从而把主语从句放在，从而把主语从句放在 句首句首保持平衡保持平衡 it 形式主语形式主语后面后面16这样就构成了下面一些常用句型这样就构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 令人吃惊的是令人

6、吃惊的是 It is a fact that 事实是事实是 It is common knowledge that 是常识是常识 *_(很可惜很可惜)we lost the match.*_(这是事实这是事实)he cheated in the exam.It is a pity thatIt is a fact that171. 令人吃惊的是他改变了主意。令人吃惊的是他改变了主意。 It is a surprise that he changed his mind.2. 真可惜你错过了这么一个好机会。真可惜你错过了这么一个好机会。 It is a pity that you missed s

7、uch a good chance.3. 事实是我们周围的污染正变得越来越严重。事实是我们周围的污染正变得越来越严重。 It is a fact that the pollution around us is becoming more and more serious.182) 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 很明显很明显 It is true that的确的确 It is necessary important natur

8、al. that*_(很可能很可能)she will come back tomorrow.*_(很明显很明显) he is an English.+(should) +doIt is possible thatIt is obvious that191. 很可能他会申请这项工作的。很可能他会申请这项工作的。 It is likely that he will apply for the job.2. 的确我犯了个错误。的确我犯了个错误。 It is true that I made a mistake.3. 有必要我们要学习英语。有必要我们要学习英语。 It is necessary tha

9、t we should learn English.203) It +不及物动词不及物动词+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 原来原来*_(刚好刚好)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 that211. 好像是我错了。好像是我错了

10、。 It appears that I am wrong.2. 碰巧他得去参加一个会议。碰巧他得去参加一个会议。 It happened that he had to attend a meeting.3. 我突然想起他会说英语。我突然想起他会说英语。 It occurs to me that he can speak English.4. 原来他是原来他是Mary的朋友。的朋友。 It turned out that he was Marys friend.224) It + be +过去分词过去分词+从句从句 It is said that. 据说据说 It is known to all

11、 that. 众所周知众所周知 It is reported that. 据报道据报道 It is believed that.据相信据相信;人们相信人们相信 It is suggested that + (should）do. 建议建议*_(据报道据报道)20 people were killed in the accident. *_(建议建议)we should eat more vegetable and do more exercise.It is reported thatIt is suggested that231.据说他已经去了上海。据说他已经去了上海。Its said th

12、at he has gone to Shanghai.2. 众所周知台湾是中国的一部分众所周知台湾是中国的一部分.It is known to all that Taiwan is part of China.3. 有人建议我们应该多做运动。有人建议我们应该多做运动。It is suggested that we should take more exercise.2425例1.When will he come is not known.规律一、规律一、主语从句一律用陈述语序，主语从句一律用陈述语序， 即主语在前，谓语在后。即主语在前，谓语在后。正：When he will come is

13、not known.26例2. He will not come to the meeting this evening is true.正：That he will not come to the meeting this evening is true.规律二、规律二、连词连词that 在从句中无实际意义，在从句中无实际意义， 但不能省略。但不能省略。27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

14、 yet.28例4. When he will come are a puzzle.正：When he will come is a puzzle.规律四、规律四、主语从句的谓语动词多用主语从句的谓语动词多用 单数第三人称形式。单数第三人称形式。29When 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

15、 been decided yet .arehas30例例5 1. What he needs _ that book. 2. What he needs _some books.规律五、规律五、what 引导的主语从句，可根据引导的主语从句，可根据 表语决定主句动词的单复数形式表语决定主句动词的单复数形式。isare3132他是不是我的孩子仍然是个问题。他是不是我的孩子仍然是个问题。Whether he is my child remains a question.33What I like most is your hairstyle.我最喜欢的我最喜欢的是你的发型。是你的发型。34Wha

16、t I need is rest.我需要的就我需要的就是休息。是休息。35How Du Lala becomes successful depends on her hard work.杜拉拉如何成杜拉拉如何成功取决于她的功取决于她的勤奋。勤奋。36It 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）是常识。）是常识。372. _ they can solve the question is still unknown. A. If B. Which C. Wh

17、ether D. What3. _ he said at the meeting astonished 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. /38Correct or not?*When the meeting

18、will be held havent been known yet. be held hasnt been known yet.Pay attention:主语从句的谓语用主语从句的谓语用单数单数形式形式 1039 the cat domade What the cat did made the baby cry.WhatcryMake a sentence30401.The question is _ the film is worth seeing.2._ we shall attend the meeting hasnt been decided yet. 用用whetherif填空填

19、空whetherWhether1041Translate the sentence*_(他他们很需要帮助们很需要帮助)is quite clear. That they are badly in need of help2042talk aboutthe use of cell phone What they are talking about is the use of cell phone.Make a sentence3043* If we will have a meeting hasnt been decided yet.Correct or not?Whether we will.

20、 decided yet.Pay attention:放在名词性从句放在名词性从句句首句首，表示，表示“是否是否”，只能用，只能用whether, 不能用不能用if1044Translate the sentence*It is known to us_(马克马克.吐温怎样成吐温怎样成为一位伟大的作家为一位伟大的作家). how Mark Twain became a great writer2045report , get the highest points, match It is reported that Yao Ming got the highest points in the

21、match.Make a sentence3046 Correct or not?Pay attention:注意注意虚拟语气虚拟语气在名词性从句中的在名词性从句中的使用！在使用！在It is necessary important natural. that句型中，从句的谓语要用句型中，从句的谓语要用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. 1047 Correct or not?Pay attention:此主语从句

22、此主语从句缺少成分缺少成分-宾语，宾语，故用作成分的故用作成分的what来引导，而不用来引导，而不用that。What she wants to know is.*That she wants to know is when the party will be held . 1048 Correct or not?Pay attention:由由that引导的主语从句放在句引导的主语从句放在句首，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.1049Translate the s

23、entence*_（她是否出席会议）（她是否出席会议）is not certain.Whether she will attend the meeting2050It makes the teacher angry that the child doesnt know the answer.teacher angryDont know the answerMake a sentence3051链接高考链接高考 【2013北京】31._makes the book so extraordinary is the creative imagination of the writer. A. Tha

24、t B. What C. Who D. Which 【2013四川】6. _ you said at the meeting describes a bright future for the company. A. When B. How C. What D. That52 【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重庆】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