高中三年级英语选修6第一课时课件.ppt

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1、名词性从句熟熟 读读 深深 思思1主语从句主语从句 定义：主语从句就是指在另一个句子中充当主语的句子。它由连接词that, whether及特殊疑问词连接。(1) What he will come here to see us is certain. 改错(WhatThat)(2) If he is free now is uncertain. 改错(IfWhether)(3) It doesnt matter how he can attend our meeting. 改错(howwhether/if) 熟熟 读读 深深 思思(4) That 2008 Beijing Olympic G

2、ames are successful is known to all.(5) Its important that you should finish your work on time. (6) It is his suggestion that his son (should) stay at home at weekends.(7) It is suggested that we should make good use of time.归归 纳纳 总总 结结1连词的选用：规则规则1：that连接从句时，从句为一个句意完整、语气确定的陈述句，而that没有具体意思，不充当句子成分，只是

3、起标志性的作用，但that 不能省略，如：(1)。规则规则2：whether连接从句时，从句的句意完整，但是语气不肯定，表示怀疑。它来源于一般疑问句，whether不能省略，意为“是否”，在句首时不能用if替换，如：(2)、(3)。归归 纳纳 总总 结结规则规则3：特殊疑问词连接从句时，特殊疑问词用来表示询问某种情况。它来源于特殊疑问句，特殊疑问词不能省略，在从句中充当句子成分。2语序：主语从句要用陈述句语序，即主谓语序。3时态：主句时态为过去时，从句时态为过去的某一时态；主句时态为现在时或将来时，从句时态视具体情况而定。特别提醒：双重疑问句中，主句用疑问语序，而宾语从句总是用陈述语序，即：主

4、谓语序，如：(5)。【注意】Whats wrong (with sb./ sth.)?Whats the matter (with sb./ sth.)?What has happened? 以上句子中，特殊疑问词就是句子的主语，所以在宾语从句中的语序无需变化。归归 纳纳 总总 结结表语从句熟熟 读读 深深 思思3. 表语从句表语从句 定义：在另一个句子中充当表语的句子被称为表语从句。(1)My dream is I will have my own company. 改错(isIthat)(2)The problem is if we can get there on time. 改错(if

5、whether)归归 纳纳 总总 结结2语序 表语从句要用陈述句语序，即主谓语序。3时态 主句时态为过去时，从句时态为过去的某一时态；主句时态为现在时或将来时，从句时态视具体情况而定。表语从句是在复合句中作表语的名词性从表语从句是在复合句中作表语的名词性从句。句。放在系动词之后放在系动词之后,一般结构是一般结构是“主语主语+系系动词动词+表语从句表语从句”。可以接表语从句的系动词有：可以接表语从句的系动词有：1：be（being,been,am,is,are,was,were)2: feel , seem , look, appear ,sound, taste , smell 3: stan

6、d , lie , remain ,keep, stay4: become ,get , grow , turn ,go ,come, run, fall5: prove, turn out 系动词的固定搭配:come true, fall asleep, fall ill, go bad, come right, run wild 归归 纳纳 总总 结结4常见的句型(1)It looks / seems as if 好像；仿佛(2)This is because 这是因为(3)The reason why is that 的原因是(4)That is why 那是因为(5)The quest

7、ion / problem is whether / when / where 问题是(6)His dream / suggestion / aim / purpose is that 他的梦想/建议/目标/目的是because，why引导的表语从句。引导的表语从句。Thats because he didnt understand me.（Thats because强调原因）强调原因）Thats why he didnt understand me.（Thats why强调结果）强调结果）填空填空: The reason why we didnt trust him is _ he has

8、often liedreason 做主语时，做主语时，表语表语从句只能用从句只能用that引导引导, 不能用不能用why 引导。句型结构为：引导。句型结构为： The reason (why/for)is /was that. The reason is thatwhy名词主语名词主语+be+that引起的表语从句引起的表语从句在这种句型中，常用表示事实，真理的名词，在这种句型中，常用表示事实，真理的名词，或表示看法，观点的名词，如：或表示看法，观点的名词，如： fact,truth ,idea,opinion,belief,view,feeling,suggestion,plan等作主语。等

9、作主语。如：1.The fact is that our team has won the game.2.The truth is that she was the very person who informed against her husband.3. My opinion is that we should discuss it with them.My suggestion is that we （should） start early tomorrow. Their plan is that they should build a new factory in their hom

10、etown. The demand is that the composition (should) be written on one side only. My idea is that we (should) get more people to attend the conference.使用虚拟语气的表语从句使用虚拟语气的表语从句在表示建议、劝告、命令、在表示建议、劝告、命令、请求、要求请求、要求含义含义的名词后的表语从句，谓语动词需用的名词后的表语从句，谓语动词需用“should+动动词原形词原形” 表示，表示，should可省略。常见的词有：可省略。常见的词有：advice，su

11、ggestion，order，proposal，request, plan，idea等。如：等。如：注意：注意： 在在asif,asthough等引导表语从句中等引导表语从句中,表示与事实相一表示与事实相一致时致时,要用陈述语气。要用陈述语气。 如：如：Itlooksasifwellbelate. 看起来我们似乎要迟到了。看起来我们似乎要迟到了。 Thismeattastesasifithasalreadygonebad. 这肉吃起来似乎已经坏了。这肉吃起来似乎已经坏了。1. Thats _ the Party called on us to do. A. why B. what C. how

12、 D. that 2. The reason is _ he is unable to operate the machine. A. because B. why C. that D. Whether3 .That is _ they separated. A. that B. what C. which D. where 4.Jane is no longer _ she was four years ago. A. what B. which C. that D. when 5.The reason _ I have to go is_ my mother is ill in bed A

13、. why ; why B. why ; because C. why ; that D. that ; because6.Air is to us_ water is to fish A. is that B. what C. which D. that7. -Dad, can you give me some advice? -Why not try your luck downtown, Bob? Thats _ the best jobs are. A. where B. what C. when D. why 8. -Are you still thinking about yest

14、erdays game?-Oh, thats _. A. what makes me feel excited B. whatever I feel excited about C. how I feel about it D. when I feel excited 9. You are saying that our teachers treat everyone equally, and this is_ I disagree. A. howB. whatC. where D. why10. That is_ my grandfather was born and grew up. A.

15、 there B. in which C. where D. the place11. I drove to Zhuhai for the air show last week. -Is that _ you had a few days off? A.whyB. whenC. whatD. where12. _ she couldnt understand was _fewer and fewer students showed interest in her lessons. A. That; whatB. What; why C. What; because D. Why; that13

16、. What the doctors really doubt is _my mother will recover from the serious disease soon. A. whenB. howC. whether D. why 14. One advantage of playing the guitar is _it can give you a great deal of pleasure. （ 06上海上海 ）A. how B. why C. that D. when同位语从句熟熟 读读 深深 思思4. 同位语从句同位语从句 定义：解释说明另一个句子中某一个抽象名词的句子叫

17、同位语从句。常见的抽象名词有：news, fact, idea, suggestion, promise, word等。(1) His suggestion what we be there waiting for them is reasonable. 改错(whatthat)(2) He asked her the question if they can be friends. 改错(ifwhether)(3) He didnt answer the question when we would go to the museum. (4) He showed us his way how

18、 he worked out that problem.e.g.1.The text tells us a fact that smoking does great harm to peoples health.2.I have no idea that he has already gone abroad /when he will be back /who broke the window /why she went home.3.I have no doubt / There is no doubt that he will succeed.4.I have some doubt /Th

19、ere is some doubt whether they can complete the task on time.5.The belief that all roads lead to Rome is shared by many people.6.The possibility that people would have to walk to the farm was mentioned.7.He cant answer the question how he got the money.8.We dont understand the problem why this is th

20、e best choice.9.Tom got a message from Mr Smith that there would be a test soon.10.Word came that China launched its first manned spaceship on Oct.15,2003.11.The thought came to her that maybe she had left the door open when she left home.五、语气：在suggestion; advice; order; request 等表示“建议命令；要求”等词后，同位语从

21、句中的谓语动词常用“（should） + 动词原形”虚拟结构。e.g.12.He gave many suggestions that we (should)get up earlier and take more exercise.13.The government gave the order that all these houses (should)be pulled down in three weeks.比较：15.We expressed the hope (that/which) they had expressed.（定语从句） We expressed the hope t

22、hat they would come to visit China again. （同位语从句）16.The news(that/which)he told me just now is true. （定语从句） The news that I have passed the exam is true.（同位语从句）17.The advice(that/which)he gave was supported by us all. （定语从句） The advice that we(should) set out at once was supported by us all.（同位语从句）归

23、归 纳纳 总总 结结5.特殊句型：(1) A is to B what C is to D如：(5)。 (2)whoever / whatever / whichever 连接名词性从句时，既在主句中充当成分，又在从句中充当成分。whoever 引导名词性从句时，whoeveranybody who如：(6)。whatever 引导名词性从句时，whateveranything that如：(7)。whichever 引导名词性从句时，whicheverany名词that如：(8)。巩固性练习：1.The fact _ she works hard is well known to us al

24、l. A.that B.what C.why D.which 2.The fact _ he was successful proves his ability. A.that B.what C.which D.why 3.The news _ he was kidnapped surprised us greatly. A.what B.that C.why D.when 4.His suggestion _ the meeting be delayed was turned down. A.which B.that C./ D.it 5.I have no idea _ he will s

25、tart. A.when B.that C.what D./ 6.Ive come from the government with a message _ the meeting wont be held tomorrow. A.if B.that C.whether D.which 7.The thought _ he might fail in the exam worried him. A.when B.which C.what D.that 8.The order _ the prisoner be set free arrived too late. A.which B.wheth

26、er C.that D.what 9.The nurses are trying their best to reduce the patients fear _ he would die of the disease. A.that B.as C.of which D.which 10.He often asked me the question _ the work was worth doing. A.whether B.where C.that D.when 11.Information has been put forward _ more middle school graduat

27、es will be admitted into universities. (NMET2001上海) A.while B.that C.when D.as 12.It is said that more middle school graduates will be admitted into universities;this is the information _ has been put forward. A.what B.that C.when D.as 13.She heard a terrible noise,_ brought her heart into her mouth.(MET91) A.it B.which C.this D.that 14.I cant stand the terrible noise _ she is crying loudly. A.it B.which C.this D.that 15.The fact_ he failed in the exam is not the one_he told me.A.which;that B.that;/ C.which;which D./; that Keys: 1-5 AABBA 6-10 BDCAA 11-15BBBDB