1、Astronomy:the science of the stars -grammarLearning aimTo master the subject clauseI thinkit is unnecessary for me to speak louder.This is makes us interested.thatwhatRevision:用连接词填空Noun Clauses(名词性从句)Subject Clause (主语从句)Appositive Clause（同位语从句）Object Clause（宾语从句）Predicative Clause（表语从句）Subject主语表明
2、这句话说的是谁和什么A tree has fallen across the road.You are a student.Smoking is bad for you.The unemployed usually have a hard life.That she left him made him heart-broken.That she left him made him heart-broken.Subject Clause主语从句在句中充当主语的从句叫做主语从句。That he is still alive That he is still alive isis a good ne
3、ws to us.a good news to us.Whether heWhether hell take part in the play ll take part in the play isis clear.clear.Who will win the game remains to be seen.Which side will win Which side will win is is not clear.not clear.Whoever breaks the law Whoever breaks the law will bewill be punished.punished.
4、How he became a great scientist How he became a great scientist isis known to us all.known to us all.Where we will hold the basketball game Where we will hold the basketball game isis not not important.important.一般来说主语从句都是放在。句首 主语从句引导词:_What we discover about the structurethat,whether,how,wh-连接词：tha
5、t 引导主语从句只起引导作用，本身实际意义，在主语从句中任何成分，但省略。That we keep a balanced diet is good for our health.That he will refuse this piece of advice is impossible.That he will win the match is certain.That the earth goes around the sun is a fact.Grammar Rules一、连接词1.that无不充当不能2.whetherWhether we will go tomorrow hasnt
6、been decided yet.Whether she will come is not important.Whether hell take part in the play is clear.Whether he can buy the plane tickets doesnt matter much.连接词：whether 引导主语从句，本身实际意义，的意思，在主语从句中任何成分，位于句首if替代。有不充当不能用是否3.wh-,howRead the sentences on your learning plan,then fill in the blanks.连接词：how,wh-
7、引导主语从句，本身实际意义，在主语从句中句子成分。主语从句中缺主语，宾语，表语，定语用：可做状语的连接词：有充当 who,what,which,whoever,whatever等连接代词when,where,why,how连接副词Complete the sentences using that,whether,where,when，who,why,how or what.4.(_ you told me just now)was really a surprise.5.(he will be back)depends on the weather.6.(_ _ can join in the
8、 sport meeting)is decided by the teacher.3.(_ it will rain or not)is not clear.1.(_ the earth is a solid ball)is known to us all.2.(we keep a balanced diet)is good for our health.WhatWhen/WhetherWhoWhetherThat7.(_ the earth is becoming warm)is a good topic for research.Why/HowThat主语从句的语序是。陈述句语序注意但但w
9、hatwhat从句做主语，谓语动词用单数还是复数，不从句做主语，谓语动词用单数还是复数，不可一概而论，可一概而论，11）常与其后的名词作表语一致）常与其后的名词作表语一致 22）要）要视句子的意义而定视句子的意义而定What I need What I need moneymoney.(be).(be)What I need What I need booksbooks.What you saidWhat you said of great importance.of great importance.isisareareisis主语从句作主语时，主句谓语动词一般用。(单数/复数)单数形式二.
10、主句谓语注意is a pity that you missed the exciting football match.is reported that 16 people were killed in the earthquake.seemed that he didnt tell the truth.is important she will attend the meeting.(是否)ItItIt三三.做形式主语做形式主语一般来说主语从句都是放在句首，但有时为了使句子保持平衡,避免“头重脚轻”,常用作形式主语，从而把_放在后面itit主语从句Itit形式主语中，表“是否”可以用。Whe
11、ther或if注意whether/ifIt+be+形容词 that从句It is necessary that 有必要It is important that.重要的是It is obvious that 很明显It+be+-ed分词 that从句It is believed that 人们相信It is known to us/all that.众所周知It has been decided that 已经决定It+be+名词 that从句It+不及物动词 that从句It appears that 似乎It happens that.碰巧It occurred to me that 我突然
12、想起It is common knowledge that 是常识It is a surprise that.令人惊奇的是It is a fact that 事实是改写为it形式主语的句式。1.That we shall be late is certain.-Its certain that we shall be late.2.That the earth is round is known to all.-3.That you missed the chance is a pity.-It is a pity that you missed the chance.Its known to
13、 all that the earth is round.位置：一般在，it形式主语要放到后面连接词特点(词义，成分)主语从句语序：主句谓语：Subject Clausethat that 只起引导作用，本身无实际意义，只起引导作用，本身无实际意义，不充当任何成分，但不充当任何成分，但不能省略不能省略。引导主语从句引导主语从句“是否是否”句首只能用句首只能用whether,whether,不充当从句的任何成分。不充当从句的任何成分。itit形式形式主语中可以用主语中可以用ifif。有词义，并在从句中充当成分。有词义，并在从句中充当成分。主语从句应使用陈述句语序thatwhetherhow,wh
14、-一般用单数，what做连接词应据情况而定句首主语从句2.You have made a mistake is a fact.That改错练习1.If the policemen will come is not certain.Whether3.When the meeting will be held havent been known yet.hasnt1)_ he lost the bike worried him a lot.1)_ he lost the bike worried him a lot.2)_ we cant get seems better than _ we ha
15、ve.2)_ we cant get seems better than _ we have.ThatThat注：what 与 that在引导主语从句时的区别1)what 1)what 在从句中充当句子成分，如主语、宾语、在从句中充当句子成分，如主语、宾语、表语，而表语，而that that 不充当成分。不充当成分。2)what 2)what 有词义，有词义，thatthat没没有有What whatWhat whatwhat/that1._ has helped to save the drowning girl is worth praising.A.Who B.The one C.Any
16、one D.Whoever2._ is possible that she will come back tomorrow.A.That B.It C.She D.What3._he was able to come made us happy.A.That B.What C.Whether D.Why翻译练习1._(这是事实)he cheated in the exam.2(他为什么在哭)_ is not clear.It is a fact thatWhy he is cryingGroup workall windows brokenOwner angrypasser-by(行人）It
17、is reported that broken ownerangry,because what happen bring him great trouble policeman come,look into(调查)who,dowhy passer-by,tell,dont know when,he,hear the sound,what,seea man ran awayDescribe the story and use as many noun clauses as you can.policemanA possible version:It is reported that all th
18、e windows werebroken.The owner of the building was veryangry because what happened has broughthim great trouble.The policeman came tolook into who had done it and why he had done so.The passer-by told the policeman hedidnt know.When he heard the sound,what he saw was that a man ran away.Write the short passage about the picture we discussed in class.
