主语从句开课课件.pptx

Noun clauses as the subject简简单单句句的的基基本本句句型型1.主语主语+系动词系动词+表语表语2.主语主语+不及物动词不及物动词 3.主语主语+及物动词及物动词+宾语宾语4.主语主语+及物动词及物动词+间接宾语间接宾语 +直接宾语直接宾语5.主语主语+及物动词及物动词+宾语宾语 +宾宾 语补足语语补足语Summary.简单句简单句1.Things changed.2.Trees are green.3.We dont beat children.4.He gave his sister the piano.5.I found the book easy.主 +谓主 +谓 +表主 +谓 +宾主+谓 +间接宾语 +直接宾语 主 +谓 +宾 +宾补什么是主语什么是主语主语：主语：句子说明的人或事物句子说明的人或事物,一般一般位于位于_ 。句首句首I like English.The train left.找出主语找出主语1.A tree has fallen across the road.2.You are a student.3.To find your way can be a problem.4.Smoking is harmful to you.5.What she said is not yet known.6.That we shall be late is certain.7.Its certain that we shall be late.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。他通过了考试让老师很高兴。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句他何时要来还不清楚。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：_不做成分，无意义，不能省略。不做成分，无意义，不能省略。whether whether 不做成分，表不做成分，表“_”_”。thatthat是否是否Who will go makes no difference.What we need is more time.Which book I shall choose hasnt been decided.2)连接代词连接代词who,what,which引导词引导词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 whoWhen 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)连接副词连接副词when,where,how,why引导词引导词1.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：陈述句语序语序：陈述句语序主语从句的特点：主语从句的特点：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 it 形式主语形式主语后面后面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 that1.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 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.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 很明显很明显 It is true that的确的确 It is necessary important natural.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 that1.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 that we should learn English.3)It+不及物动词不及物动词+that It happened that.碰巧碰巧 It occurred to me that我突然想起我突然想起 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 sent the letter.It happened thatIt occurred to me that1.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.4)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 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 that1.据说他已经去了上海。据说他已经去了上海。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.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 not known.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。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.规律三、规律三、whether 可以引导主语从句，可以引导主语从句，放在句首，但放在句首，但if不能不能例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。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.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.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。What I need is rest.我需要的就我需要的就是休息。是休息。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。How 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。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。Whoever sees the girl is attracted by her.任何见到这个任何见到这个女孩的人都被女孩的人都被她吸引。她吸引。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。a surprise;change from toa tomboya literary youthIt is a surprise that Li Yuchun has changed from a tomboy to a literary youth.importantnot have a stupid teammateIt is important that we should not have a stupid teammate.What do you think of grammar learning?How can you 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