主语从句公开课课件.pptx

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1、Noun clauses as the subject第1页/共46页第2页/共46页1.引导词：从属连词 that,whether；连接代词 who,what,which；whoever,whatever,whichever;连接副词 when,where,how和why。2.语序：陈述句语序主语从句的特点：第3页/共46页第4页/共46页什么是主语主语：句子说明的人或事物,一般位于_ 。句首I like English.The train left.第5页/共46页Jane is good at playing the piano.To see is to believe.Smoking

2、is bad for health.What he has said is true.找出主语找出主语(名词)（不定式）（动名词）(从句）第6页/共46页 主语从句主语从句 (Subject Clause)在句子中充当主语的就是在句子中充当主语的就是主语从句主语从句。第7页/共46页他通过了考试让老师很高兴。He passed the exam.It made the teacher happy.He passed the exam made the teacher happy.That he passed the exam made the teacher happy.理解主语从句理解主语从

3、句第8页/共46页他何时要来还不清楚。When will he come?It is not clear.When will he come is not clear.When he will come is not clear.理解主语从句理解主语从句第9页/共46页That he will succeed is certain.Whether he will come makes no difference.What we need is more time.找出主语从句找出主语从句第10页/共46页That he will come is certain.Whether he will

4、come is uncertain.引导词引导词1)从属连词that和whether：_不做成分，无意义，不能省略。whether whether 不做成分，表“_”_”。thatthat是否第11页/共46页Who will go makes no difference.What we need is more time.Which book I shall choose hasnt been decided.2)连接代词who,what,which引导词引导词第12页/共46页Whoever comes is welcome.Whatever I have is yours.Whichev

5、er you want is yours.3)连接代词whoever,whatever,whichever引导词引导词 whatever=anything that whoever=anyone who第13页/共46页When we will leave hasnt been decided.How she keeps healthy is a secret.Why he cries is not clear.Where the meeting will be held is not known.4)连接副词when,where,how,why引导词引导词第14页/共46页1.引导词：从属连

6、词 that,whether；连接代词 who,what,which；whoever,whatever,whichever;连接副词 when,where,how和why。2.语序：陈述句语序主语从句的特点：第15页/共46页It is certain that 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 i

7、t 形式主语形式主语后面后面第16页/共46页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 It is a surprise that 令人吃惊的是 It is a fact that 事实是 It is common knowledge that 是常识 *_(很可惜)we lost the match.*_(这是事实)he cheated in the exam.It is a pity thatIt is a fact that第17页/共46页1.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

8、 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 such 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.第18页/共46页2)It is+adj.+that Its certain that 肯定 It is possible/likely

9、that.很可能 It is obvious/clear that 很明显 It is true that的确 It is necessary important natural.that*_(很可能)she will come back tomorrow.*_(很明显)he is an English.+(should)+doIt is possible thatIt is obvious that第19页/共46页1.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

10、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 that we should learn English.第20页/共46页3)It+不及物动词+that It happened that.碰巧 It occurred to me that我突然想起 It appears/seems that 似乎，好像 It turned out that 原来*_(刚好)I was out yesterday.*_(我突然想起)I forgot to sent the letter.It happene

11、d thatIt occurred to me that第21页/共46页1.好像是我错了。好像是我错了。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.第22页/共46页4)It+be+过去分词+从

12、句 It is said that.据说 It is known to all that.众所周知 It is reported that.据报道 It is believed that.据相信;人们相信 It is suggested that+(should）do.建议*_(据报道)20 people were killed in the accident.*_(建议)we should eat more vegetable and do more exercise.It is reported thatIt is suggested that第23页/共46页1.据说他已经去了上海。据说

13、他已经去了上海。Its said that 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.第24页/共46页第25页/共46页例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

14、前，谓语在后。正：When he will come is not known.第26页/共46页例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。第27页/共46页例3.If the meeting will be put off has not been decided yet.正：Whether the meet

15、ing will be put off has not been decided yet.规律三、whether 可以引导主语从句，放在句首，但if不能第28页/共46页例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。第29页/共46页When the meeting will begin _(have)not been decided yet.hasWhen they will start and where t

16、hey will go _(be)still unknown.When and where the meeting will begin _(have)not been decided yet.arehas第30页/共46页例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。isare第31页/共46页第32页/共46页第33页/共46页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。Wh

17、ether he is my child remains a question.第34页/共46页What 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。第35页/共46页What I need is rest.我需要的就我需要的就是休息。是休息。第36页/共46页It is believed that the word diaosi reflects social problems.据认为据认为“屌丝屌丝”这个词反映了社会问这个词反映了社会问题。题。第37页/共46页How Du Lala becomes successful dep

18、ends on her hard work.杜拉拉如何成功取决于她的勤奋。第38页/共46页What the boy did made the teacher angry.这个男孩这个男孩所做的事所做的事让老师很让老师很生气。生气。第39页/共46页Whoever sees the girl is attracted by her.任何见到这个女孩的人都被她吸引。第40页/共46页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）是常识。）是常识。第41页/共

19、46页a surprise;change from toa tomboya literary youthIt is a surprise that Li Yuchun has changed from a tomboy to a literary youth.第42页/共46页importantnot have a stupid teammateIt is important that we should not have a stupid teammate.第43页/共46页第44页/共46页What do you think of grammar learning?How can you

20、learn grammar well?In my opinion,it is very important _(我学好语法我学好语法)because it can help me with my writing and my sentence structure._ is known to all that grammar is really a bridge to success.Believe it or not,it doesnt matter _ we can recite all those grammar rules._ we need to do is try to understand and use the language.I should learn I should learn grammar wellgrammar wellIt ItwhetherwhetherWhat What 第45页/共46页感谢您的观看。第46页/共46页