高中三年級英語選修6第一課時課件

1、名詞性從句熟熟 讀讀 深深 思思1主語從句主語從句 定義：主語從句就是指在另一個句子中充當主語的句子。它由連接詞that, whether及特殊疑問詞連接。(1) What he will come here to see us is certain. 改錯(WhatThat)(2) If he is free now is uncertain. 改錯(IfWhether)(3) It doesnt matter how he can attend our meeting. 改錯(howwhether/if) 熟熟 讀讀 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.歸歸 納納 總總 結結1連詞的選用：規(guī)則規(guī)則1：that連接從句時，從句為一個句意完整、語氣確定的陳述句，而that沒有具體意思，不充當句子成分，只是

3、起標志性的作用，但that 不能省略，如：(1)。規(guī)則規(guī)則2：whether連接從句時，從句的句意完整，但是語氣不肯定，表示懷疑。它來源于一般疑問句，whether不能省略，意為“是否”，在句首時不能用if替換，如：(2)、(3)。歸歸 納納 總總 結結規(guī)則規(guī)則3：特殊疑問詞連接從句時，特殊疑問詞用來表示詢問某種情況。它來源于特殊疑問句，特殊疑問詞不能省略，在從句中充當句子成分。2語序：主語從句要用陳述句語序，即主謂語序。3時態(tài)：主句時態(tài)為過去時，從句時態(tài)為過去的某一時態(tài)；主句時態(tài)為現(xiàn)在時或將來時，從句時態(tài)視具體情況而定。特別提醒：雙重疑問句中，主句用疑問語序，而賓語從句總是用陳述語序，即：主

4、謂語序，如：(5)?！咀⒁狻縒hats wrong (with sb./ sth.)?Whats the matter (with sb./ sth.)?What has happened? 以上句子中，特殊疑問詞就是句子的主語，所以在賓語從句中的語序無需變化。歸歸 納納 總總 結結表語從句熟熟 讀讀 深深 思思3. 表語從句表語從句 定義：在另一個句子中充當表語的句子被稱為表語從句。(1)My dream is I will have my own company. 改錯(isIthat)(2)The problem is if we can get there on time. 改錯(if

5、whether)歸歸 納納 總總 結結2語序 表語從句要用陳述句語序，即主謂語序。3時態(tài) 主句時態(tài)為過去時，從句時態(tài)為過去的某一時態(tài)；主句時態(tài)為現(xiàn)在時或將來時，從句時態(tài)視具體情況而定。表語從句是在復合句中作表語的名詞性從表語從句是在復合句中作表語的名詞性從句。句。放在系動詞之后放在系動詞之后,一般結構是一般結構是“主語主語+系系動詞動詞+表語從句表語從句”?？梢越颖碚Z從句的系動詞有：可以接表語從句的系動詞有：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 系動詞的固定搭配:come true, fall asleep, fall ill, go bad, come right, run wild 歸歸 納納 總總 結結4常見的句型(1)It looks / seems as if 好像；仿佛(2)This is because 這是因為(3)The reason why is that 的原因是(4)That is why 那是因為(5)The quest

7、ion / problem is whether / when / where 問題是(6)His dream / suggestion / aim / purpose is that 他的夢想/建議/目標/目的是because，why引導的表語從句。引導的表語從句。Thats because he didnt understand me.（Thats because強調原因）強調原因）Thats why he didnt understand me.（Thats why強調結果）強調結果）填空填空: The reason why we didnt trust him is _ he has

8、often liedreason 做主語時，做主語時，表語表語從句只能用從句只能用that引導引導, 不能用不能用why 引導。句型結構為：引導。句型結構為： The reason (why/for)is /was that. The reason is thatwhy名詞主語名詞主語+be+that引起的表語從句引起的表語從句在這種句型中，常用表示事實，真理的名詞，在這種句型中，常用表示事實，真理的名詞，或表示看法，觀點的名詞，如：或表示看法，觀點的名詞，如： fact,truth ,idea,opinion,belief,view,feeling,suggestion,plan等作主語。等

9、作主語。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.使用虛擬語氣的表語從句使用虛擬語氣的表語從句在表示建議、勸告、命令、在表示建議、勸告、命令、請求、要求請求、要求含義含義的名詞后的表語從句，謂語動詞需用的名詞后的表語從句，謂語動詞需用“should+動動詞原形詞原形” 表示，表示，should可省略。常見的詞有：可省略。常見的詞有：advice，su

11、ggestion，order，proposal，request, plan，idea等。如：等。如：注意：注意： 在在asif,asthough等引導表語從句中等引導表語從句中,表示與事實相一表示與事實相一致時致時,要用陳述語氣。要用陳述語氣。 如：如：Itlooksasifwellbelate. 看起來我們似乎要遲到了?？雌饋砦覀兯坪跻t到了。 Thismeattastesasifithasalreadygonebad. 這肉吃起來似乎已經(jīng)壞了。這肉吃起來似乎已經(jīng)壞了。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同位語從句熟熟 讀讀 深深 思思4. 同位語從句同位語從句 定義：解釋說明另一個句子中某一個抽象名詞的句子叫

17、同位語從句。常見的抽象名詞有：news, fact, idea, suggestion, promise, word等。(1) His suggestion what we be there waiting for them is reasonable. 改錯(whatthat)(2) He asked her the question if they can be friends. 改錯(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、語氣：在suggestion; advice; order; request 等表示“建議命令；要求”等詞后，同位語從

21、句中的謂語動詞常用“（should） + 動詞原形”虛擬結構。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.比較：15.We expressed the hope (that/which) they had expressed.（定語從句） We expressed the hope t

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

23、歸 納納 總總 結結5.特殊句型：(1) A is to B what C is to D如：(5)。 (2)whoever / whatever / whichever 連接名詞性從句時，既在主句中充當成分，又在從句中充當成分。whoever 引導名詞性從句時，whoeveranybody who如：(6)。whatever 引導名詞性從句時，whateveranything that如：(7)。whichever 引導名詞性從句時，whicheverany名詞that如：(8)。鞏固性練習：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.whether C.that D.what 9.The nurses