高中英语必修三第四单元语法课件主语从句找出每个句子中的主语找出每个句子中的主语导学案课前单导学案课前单1. Jane is good at playing the piano.2. She went out in a hurry.3. To see is to believe.4. Smoking is bad for health.5. What he has said is true. tips：（1）主语是句子说明的人或事物，一般放在_. （2）在句子中充当_的从句就是主语从句。. （名词） （代词）（不定式）（动名词）（从句）句首主语1.That he will pass the exam is certain.2.Whether he will pass the exam is uncertain.3.Who will go makes no difference.4.What we need is more time.5.Which book I shall choose hasnt been decided.找出下列句子中的主语从句主语从句考点归纳主语从句考点归纳u 主语从句连接词的使用主语从句连接词的使用u 主谓一致主谓一致 （谓语动词单（谓语动词单 数数 ?复复数数？）u 形式主语结构形式主语结构u 主语从句的语序、时态主语从句的语序、时态 合作探究合作探究例1. When will he come is not known.规律一、主语从句一律用陈述语序，即主语即主语在前，谓语在后。在前，谓语在后。主语从句的时态受主句主句的时态影响和限制。正：When he will come is not known.例2.That he finishes his work on time was a great surprise to us all.一、一、 主语从句的语序、时态主语从句的语序、时态正: That he finished his work on time 例3. 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、连词that 在主语从句中无实际意义， 但不能省略。二、二、 主语从句连接词的使用主语从句连接词的使用例4. 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、whether 可以引导主语从句， 放在句首，但if不能功能连接词不作成分that, whether作主、宾、表、what, who, whom,wh+ever作定语which, whose,作状语when, where, why, how Usage of the Conjunctions规律四、缺什么补什么缺什么补什么 _ is known to all. (地球是圆的地球是圆的) _ is that computers can recognize human voices. (让我们感到惊讶的是电脑能分辨人的声音。让我们感到惊讶的是电脑能分辨人的声音。) That the earth is roundWhat surprises usthat 和what的区别什么不缺用什么不缺用thatwhat “的事（物，时间，地点，人物等）不同概念。 _(任何一个来的人)is welcome. _(任何我拥有的东西)is yours._(你想要的任何一个) is yours.No matter who breaks the rule will be punished.（T/F） whatever=anything that whoever=anyone who疑问词疑问词-everWhoever Whatever I have Whoever comesWhichever you want 例5. When he will come are a puzzle.正：When he will come is a puzzle.规律五、主语从句的谓语动词多用 单数第三人称形式。三、三、 主语从句中的主谓一致主语从句中的主谓一致That he will pass all the exams is certain.Which book I shall choose hasnt been decided.How she keeps healthy is a secret.注意What I want is the book.What I want are some books.结论：what 引导的从句做主语时，谓语的单复数取决它的_.观察下列两个句子的谓语，观察下列两个句子的谓语，并尝试得出结论并尝试得出结论表语That we cant go to see the movie is a pity. It is a pity that we cant go to see the movie.形式主语四、四、 主语从句中的形式主语主语从句中的形式主语uIt + be + 名词 that从句 It is a pity that 很遗憾 It is a fact that 事实是 形式主语常用句型uIt + be + 形容词 that从句 It is obvious that 显然. It is important that . 重要的是 uIt + be + 过去分词 that从句 It is said that. 据说. It is known that 众所周知 It +不及物动词不及物动词+that It happened that. 碰巧 It occurred to me that我突然想起 1._(是个惊喜是个惊喜)that he changed his mind.2._(据推测据推测) that she will come back tomorrow.3._(有必要有必要)that we should learn English.It is a surpriseIt is predictedIt is necessary Its necessary/ important/ natural /strange that +从句（虚拟语气从句（虚拟语气 should +动词原形）动词原形）（名词）when, where, why, howIf B.规律五、主语从句的谓语动词多用No matter who breaks the rule will be punished.Whether will you go to the party? It makes no difference.1_ they are most interested in is how they can produce more and better cars.主谓一致 （谓语动词单 数 ?复数？）That we cant go to see the movie is a pity.What surprises us_ remains a question.If B.Smoking is bad for health.Whoever D.但不能省略。他是不是我的孩子仍然是个问题。_remains a question.Whether he is my child _is your hairstyle.我最喜欢的是你的发型。What I like most _that the word diaosi reflects social problems.据认为“屌丝”这个词反映了社会问题。It is believed _is attracted by her.任何见到这个女孩的人都被她吸引。Whoever sees the girl remains a mystery.What we need is more time._(是个惊喜)that he changed his mind._remains a question.正： Whether the meeting will be putIt is important that ._(是个惊喜)that he changed his mind.我最喜欢的是你的发型。_ is needed for success is your hard work.主谓一致 （谓语动词单 数 ?复数？）It is common knowledgeoff has not been decided yet._ remains a question.Jane is good at playing the piano.It + be + 形容词 that从句Where D.Which book I shall choose hasnt been decided._that we should wear rain shoes on rainy days.雨天要穿雨鞋是常识。It is common knowledge What I need is rest.我需要的就是休息。杜拉拉如何成功取决于她的勤奋。How Du Lala becomes successful depends on her hard work.What the boy did made the teacher angry.这个男孩所做的事让老师很生气。importantnot have a stupid teammateIt is important that we should not have a stupid teammate.1. 合并句子:Whether will you go to the party? It makes no difference.Whether you will go to the party makes no difference.It makes no difference whether you will go to the party.hard work leads to success2. 开头句式：句型+自编名言It is universally acknowledged that 公认It goes without saying that 不用说It goes without saying that _(努力通向成功)3. 结尾提建议的句式： As far as I am concerned, it is necessary that _.( It is suggested/recommended thatIt is high time that we should take some measures.It is necessary/important/vital that sb. should)4. what 引导的主语从句What impressed/surprised me most is What is more serious is that 更严重的是What is important is thatIn my opinion, _(父母所做的) has an influence on their childrens development.what parents doWhat do you think of grammar learning? How can you learn grammar well?In my opinion, it is very important _ (我学好语法) because it can help me w