高中英语主语从句解析.ppt

单击此处编辑母版标题样式,单击此处编辑母版文本样式,第二级,第三级,第四级,第五级,*,主语从句,Who will win the match,is still unknown.,I want to know,what he has told you,.,The fact is,that we have lost the game,.,The news,that we won the game,is exciting.,主語從句,宾語從句,表語從句,名詞性從句的作用相称于名詞，因此主語從句、表語從句、宾語從句和同位語從句分别作主句的主語、表語、宾語和同位語。,同位語從句,Noun Clauses,(名詞性從句),Subject Clause,(主語從句),Appositive Clause,（同位語從句）,Object Clause,（宾語從句）,Predicative Clause,（表語從句）,Grammar,3.To find your way can be a problem.,2.Smoking is bad for you.,1.You are a student.,4.“How do you do?”is a greeting.,5.What she said is not yet known.,6.That we shall be late is certain.,7.It is certain that we shall be late.,Subject（主語）,A sentence served as subject is called Subject Clause.,主語從句,定义：主語從句是在复合句中充當主語的從句，壹般放在主句谓語動詞之前或由形式主語it替代，而自身放在句子末尾。,导主語從句的有连詞that，whether，连接代詞who，what，which，连接副詞when，where，how，why等。,1）附属连詞：that，whether等.,that 引导主語從句只起引导作用，自身無实际意义，在主語從句中不充當任何成分，但不能省略。,That,people cut down too many trees,destroyed the balance of nature.,Whether,life will continue on the earth for millions of years to come,will depend on whether this problem can be solved.,.,It,was not clear,whether,the solid shape would last or not.,Subject Clause,Subject,Formed Subject,Whether,the solid shape would last or not was not clear.,Real,引导主語從句在句首只能用whether,有it作形式主語的whether/if都可以.,Conclusion:,if,If,注意:由that 引导的主語從句有時為了使句子构造平衡,防止“頭重脚轻”,常用 it 作形式主語,而把從句放在背面。例如:,1.,That,he will refuse this piece of advice,is impossible.,_ _,2.,That they should like each other,is natural.,_,*it為形式主語,It,is natural,that,they should like each other.,It,is impossible,that,he will refuse this piece of advice.,這样就构成了下面某些常用句型:,1)It is+n.+從句,It is a pity/shame that.遗憾的是,It is a surprise that令人惊奇的是,It is a fact that 是事实,It is common knowledge that 是常识,*_(很遗憾)we lost the match.,*_(這是事实)he cheated in the exam.,It is a pity that,It is a fact that,2)It is+adj.+從句,Its certain that 肯定,It is possible that.很也許,It is unlikely that.不也許,It is obvious that 很明显,It is necessary important natural.that,*_(很也許)she will come back tomorrow.,*_(很明显)this measure is effective.,+(should)+do,It is possible that,It is obvious that,主語從句的虚拟語气,表“应當，惊讶、惋惜、遗憾”等意义,It is important/natural/necessary/impossible/strange,that.谓語形式為:should+V.原形,should可省略。,eg.很奇怪，他竟没有来。,It is strange that_.,我們做足够的运動很重要。,重要的是我們应當做足够的运動,It is important that we should do enough sports.,he,should,not come,表达“据提议、据规定、据命令”,It+be+suggested/advised/ordered/requested/,commanded/insisted/required that,谓語形式:should+V.原形,should可省略.,据命令，所有乘客必须接受搜查,_all the passengers_.,It was ordered that,(should)be searched,3)It+不及物動詞+從句,It happened that.碰巧,It occurred to me that我忽然想起,*_(刚好)I came into the office at that time.,*_(我忽然想起)I forget to sent the letter.,It happened that,It occurred to me that,4)It+be+過去分詞+從句,It is said that.听說,It is known to all that.众所周知,It is reported that.据报道,It is believed that.据信;人們相信,It is suggested that+(should）do.提议,It must be admitted that必须承认,It cannot be denied that 不可否认,It must be pointed out that需指出的是,*_(据报道)20 people were killed in the accident.,*_(提议)we should eat more vegetable and do more exercise.,It is reported that,It is suggested that,5)“無关紧要（的是）”,It doesnt matter,It makes no difference,翻译：壹种人与否富有無关紧要,_ one is wealthy or not.,It doesnt matter,whether,It makes no difference,whether,+主語從句,：,They should like each other is natural.,：,That they should like each other is,natural.,：,It is natural that they should like,each other.,：,If Mary really heard him is really doubtful.,：,It was doubtful if Mary really heard him.,T or F questions,2.连接代詞who，what，which,whatever,whichever,whoever,What,many scientists believe,is that the continued presence of water,Who will take part in the meeting,has,not been decided.,Whoever breaks the law,will be punished.,Which student will win the first,is uncertain.,3)连接副詞when，where，how，why等。,Why,they suddenly disappeared,still remains a mystery.,When,they will set off,is not decided.,Where,she is from,is unknown.,How,we will paint the house,has not been decided.,Complete the sentences using,what,whether,where,when,，,who,why,how,or,that,.,1.(_ is needed for success),is,your hard work.,3.(,we will go tomorrow),hasnt,been decided yet.,2.(,they will arrive),has,been told to,the teacher.,What,When/How,Where/whether,4.(_ can join in the sport meet),is,decided,by the teacher.,5.(_ it will rain or not),is,not clear.,7.(_ the earth is a solid ball),is,known to us all.,Who,Whether,That,6.(_ the earth is becoming warm),is,a good,topic for research.,Why,主語從句作主語時，谓語動詞壹般用單数形式。,Conclusion:,用 that/whether/if/where/how/when/why/,who/what/which/how much/etc.来连接主語從句.,Summary:,Subject Clause,3.引导主語從句在句首只能用whether,有it作形式主語的whether/if都可以.,2.That 在主語從句中不能省略.,4.有時為了使句子构造平衡,防止“頭重脚轻”,常用 it 作形式主語,而把從句放在背面.4种句型。,5.主語從句作主語時，谓語動詞壹般用單数形式。,注意二：,Whoever(無论谁)=anyone/anybody who（谁）,_ leaves the room last,ought to turn off the lights.,A.Anyone B.The person,C.Whoever D.Who,注意三：,“疑問詞+ever”引导主、宾、表、状語從句,“No matter+疑問詞”只引导状語從句,無论谁违反法律将會受到惩罚,_ will be punished.,_,he will be punished,Whoever breaks laws,No matter who breaks laws,Whoever breaks laws,主語從句,状語從句,逗号是状語從句的標志,無论,2.,_ they can solve the question,is still,unknown.,A.If B.Which C.Whether D.What,3.,_ he said at the meeting,astonished,everybody.,A.Why B.What C.That D.Who,4._ is a fact,that English is accepted as an,international language.,A.There B.This C.That D.It,1.,_ we need more practice,is quite,obvious.,A.What B.That C.When D./,Pick up one number and finish the task in it,then you can get some points.,Game Time!,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,21,22,23,24,25,26,27,28,29,30,Correct or not?,*When the meeting will be held havent been known yet.,.be held,hasnt,been known yet.,Pay attention:主語從句的谓語用單数形式,10,the cat do,made,What the cat did made the baby cry.,What,cry,Make a sentence,30,1.The question is _ the film is worth seeing.,2._ we shall attend the meeting hasnt been decided yet.,用,whetherif,填空,whether,Whether,10,Translate the sentence,*_(他們很需要协助)is quite clear.,That,they are badly in need of help,20,talk about,the use of,cell phone,What they are talking about,is the,use of cell phone.,Make a sentence,30,*,If we will have a meeting hasnt been decided yet.,Correct or not?,Whether,we will.,decided yet.,Pay attention:放在名詞性從句句首，表达“与否”，只能用whether,不能用if,10,Translate the sentence,*It is known to us_,_(馬克.吐温怎样成為壹位伟大的作家).,how,Mark Twain became a great writer,20,report,get the highest points,match,It is reported that Yao Ming got the highest points in the match.,Make a sentence,30,Correct or not?,Pay attention:注意虚拟語气在名詞性從句中的使用！在It is necessary important natural.that句型中，從句的谓語要用should+do 的形式,It is important that we,should,finish.,*It is important that we will finish the work on time.,10,Correct or not?,Pay attention:此主語從句缺乏成分-宾語，故用作成分的what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.,10,Correct or not?,Pay attention:由that引导的主語從句放在句首，that 不能省略。,That,he will give up,*,He will give up his job surprises all of us.,10,Translate the sentence,*_（她与否出席會议）is not certain.,Whether,she will attend the meeting,20,It makes the teacher angry that the child doesnt know the answer.,teacher angry,Dont know the answer,Make a sentence,30,