七年級(jí)英語Unit1 the world of our sensesGrammar and usage(ppt)牛津版必修三

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1、WelcomeUnit 1 The world of our senses the fourth period1._ the baby could speak made his parents very happy. A. That B. What C. Why D. If2. I wonder _ you will go shopping or stay at home. A. that B. if C. whether D. what3. This is _ he was often late for school. A. what B. that C. why D. whether4.

2、We all know the truth _ the earth _ around the sun.A.if; moved B. that; moves C. why; move D. whether; moveACCB主語從句主語從句賓語從句賓語從句表語從句表語從句同位語從句同位語從句名詞性從句在功能上相當(dāng)于名詞名詞性從句在功能上相當(dāng)于名詞His job is important.What he does is important.主語主語This is his job.This is what he does every day. 表語表語 I dont like his job.I d

3、ont like what he does every day. 賓語賓語I dont know about the man, Mr. White.I dont know about the fact that he is a teacher.同位語同位語名詞從句名詞從句Try to find the noun clauses in the Reading section on page 2 and tell the functions.1. At lunchtime, the radio weatherman reported that the mist would become a thi

4、ck fog in the afternoon.2. She wondered if the buses would still be running.3.The truth is that the fog is too thick for the bus to run that far.4. She sensed that she was being watched by a tall man in a dark coat.Object clauseObject clauseObject clausePredicative clauseObject clause名詞性從句考點(diǎn)歸納名詞性從句考

5、點(diǎn)歸納一、名詞性從句的語序一、名詞性從句的語序（1 1） 名詞性從句構(gòu)成有兩種名詞性從句構(gòu)成有兩種a. a. That + + 陳述句陳述句That light travels in straight lines is known to all.b. b. 疑問詞疑問詞+ +句子的剩余成分句子的剩余成分 This is what we are looking for.(2)(2) 疑問詞引導(dǎo)的名詞性從句要求使用陳述句疑問詞引導(dǎo)的名詞性從句要求使用陳述句 語序，不能用一般疑問句語序。語序，不能用一般疑問句語序。他是怎么成功的仍然是個(gè)謎。他是怎么成功的仍然是個(gè)謎。How was he succes

6、sful is still a puzzle. ( )How he was successful is still a puzzle. ( )你能告訴我他住在什么地方嗎？你能告訴我他住在什么地方嗎？Could you tell me where he lives? ( )Could you tell me where does he live? ( )FTTF二、名詞性從句連接詞的選用二、名詞性從句連接詞的選用（1）that 和和what 的選用的選用that 和和 what 都可引導(dǎo)所有的名詞從句。都可引導(dǎo)所有的名詞從句。但是，但是，what除起連接作用外，還在名除起連接作用外，還在名詞性從

7、句中充當(dāng)成分，可做從句的主詞性從句中充當(dāng)成分，可做從句的主語、賓語、或表語。而語、賓語、或表語。而that在名詞性從在名詞性從句中不充當(dāng)任何成分，只起連接作用。句中不充當(dāng)任何成分，只起連接作用。that / what1._ he wants is a book.2. _ he wants to go there is obvious.3.The result is _ we won the game.4.This is _ we want to know.5.Is _ he told us true ?6.We should pay attention to _ the teacher is

8、saying.7. I have no doubt _ he will come.8. I have no idea _ he did that afternoon.WhatThatthatwhatwhatwhatthatwhatif 和和whether 的選用的選用不能使用不能使用if 的情況：的情況：a. 主語從句主語從句b. 表語從句表語從句c. 同位語從句同位語從句e. 介詞后的賓語從句介詞后的賓語從句f. whether to do 做動(dòng)詞賓語不能用做動(dòng)詞賓語不能用if to do.g. whether or not 連在一起引導(dǎo)賓語從句時(shí)連在一起引導(dǎo)賓語從句時(shí) 不用不用if.if

9、/ whether1. I asked her _ she had a bike.2._ we will hold a party in the open air tomorrow depends on the weather.3. Were worried about _ he is safe.4. I dont know _ he is well or not.5. I dont know _ or not he is well.6. The question is _ he should do it.7.The doctor can hardly answer the question

10、_ the old man will recover soon.8. I dont know _ to go.if / whetherWhetherwhetherwhether/ifwhetherwhetherwhetherwhetherIt 的用法：的用法： （形式主語）（形式主語） Its possible/important/necessary/clear that 很可能很可能/重要的是重要的是/必要的是必要的是/很清楚很清楚Its said/ reported that.據(jù)說據(jù)說/據(jù)報(bào)道據(jù)報(bào)道Its been announced/declared that.已經(jīng)通知已經(jīng)通知/宣布宣布

11、It seems/appears/happens. that顯然、明顯、顯然、明顯、 碰巧碰巧.Its no wonder that并不奇怪并不奇怪/無疑無疑Its a pity/a fact /a common knowledge (眾所周知）眾所周知） / a common saying.（俗話說）（俗話說） 當(dāng)主語從句放在句首使句子顯得笨重時(shí)，一當(dāng)主語從句放在句首使句子顯得笨重時(shí)，一般把它移到句子后面，前面用引導(dǎo)詞般把它移到句子后面，前面用引導(dǎo)詞it作形式主語。作形式主語。What引導(dǎo)引導(dǎo) 的主語從句例外。的主語從句例外。Its a pity that you missed the fi

12、lm.It makes no difference whether he will attend the meeting or not.It is said that the novel has been translated into English.PRACTICE TIME:用形式代詞用形式代詞IT轉(zhuǎn)換下列名詞性從句轉(zhuǎn)換下列名詞性從句1.Who broke the glass yesterday is not clear.2.Why he did the work is easy to understand.3.That her hair was turning grey worried

13、 her a bit.其它連接代詞和副詞的連用其它連接代詞和副詞的連用主要根據(jù)名詞性從句中的具體意義主要根據(jù)名詞性從句中的具體意義,正確的正確的選擇選擇who、which、when、where、why、how 等連接詞，這些連接詞既具有疑問含義，等連接詞，這些連接詞既具有疑問含義，又起連接作用，同時(shí)在從句中充當(dāng)各種成分。又起連接作用，同時(shí)在從句中充當(dāng)各種成分。我們何時(shí)舉行運(yùn)動(dòng)會(huì)還沒有決定。我們何時(shí)舉行運(yùn)動(dòng)會(huì)還沒有決定。_ we shall hold our sports meeting is not decided.我不知道昨天誰打破了玻璃。我不知道昨天誰打破了玻璃。I dont know _

14、 broke the glass yesterday.我不知道他長(zhǎng)的什么樣子。我不知道他長(zhǎng)的什么樣子。I have no idea _ he looks like.這就是我忘記眼鏡的地方。這就是我忘記眼鏡的地方。This is _ I left my glasses.Whenwhowhatwhere引導(dǎo)詞引導(dǎo)詞that that 的省略的省略that 可省略的情況：可省略的情況：?jiǎn)蝹€(gè)賓語從句中的單個(gè)賓語從句中的that可省略可省略that不可省略的情況：不可省略的情況：a. 主語從句主語從句b.表語從句表語從句c.同位語從句同位語從句d.用用it做形式賓語的賓語從句做形式賓語的賓語從句e. 并

15、列的賓語從句中的后幾個(gè)從句的并列的賓語從句中的后幾個(gè)從句的 引導(dǎo)詞引導(dǎo)詞that 不能省略不能省略PRACTICE TIME:判斷下列各句判斷下列各句中的中的THAT是否可以省略是否可以省略 1.That she was chosen made us very happy. 2.She told me that she would accept my invitation. 3.She said that she would go there on Friday and that she would return the next Wednesday. 4.We think it import

16、ant that you should do it at once. 5.I didnt tell him anything except that I wasnt be able to find my way back.that/ (that)1.I dont think _ she is coming.2.It is a pity _ he has made such a mistake.3.The reason is _ he is careless .4.The news _ our team won the match inspired us.5.I dont think it is

17、 necessary _ you should read English aloud.6.He told me _ his father had died and _ he had to make a living alone.(that)thatthatthatthat(that)that三、同位語從句的引導(dǎo)和辨別三、同位語從句的引導(dǎo)和辨別1.同位語從句的格式：同位語從句的格式：n.+ 連接詞連接詞 + 從句從句2.能接同位語從句的名詞有：能接同位語從句的名詞有：fact、idea, news, information, order, belief, suggestion, advice等等

18、3.連接詞通常是連接詞通常是that,也可根據(jù)含義選用也可根據(jù)含義選用 whether, what, when, where 等來引等來引 導(dǎo)同位語從句。導(dǎo)同位語從句。1. I have no idea _ he comes from.2. He cant answer the question _ he got the money.3.He gave us many suggestions _ we should get up earlier and take more exercise.4.I have no doubt _ he will win.5. I have some doubt

19、 _ he will win.that/ whether / where/ howwherehowthatthatwhether同位語從句和定語從句的區(qū)別同位語從句和定語從句的區(qū)別1.1.定語從句是先行詞的修飾語，它不涉及先行定語從句是先行詞的修飾語，它不涉及先行詞的具體內(nèi)容。定語從句中詞的具體內(nèi)容。定語從句中that不但起連接作不但起連接作用，而且在定語從句中充當(dāng)一個(gè)句子成分，充用，而且在定語從句中充當(dāng)一個(gè)句子成分，充當(dāng)從句的賓語成分時(shí)可省略。當(dāng)從句的賓語成分時(shí)可省略。2.2.同位語從句對(duì)中同位語從句對(duì)中 心詞的內(nèi)容作進(jìn)一步的解釋心詞的內(nèi)容作進(jìn)一步的解釋和說明，表明中心詞的具體內(nèi)容。引導(dǎo)同位

20、語和說明，表明中心詞的具體內(nèi)容。引導(dǎo)同位語從句的從句的that在同位語從句中不做任何成分在同位語從句中不做任何成分, ,只起只起連接作用連接作用, ,無具體含義無具體含義, ,且不可省略且不可省略. .1.We expressed the hope that they had expressed.2. We expressed the hope that they would come to China again.1.The information has been announced that more middle school graduates will be admitted in

21、to university.2.The information that he revealed at the meetingis of great value.Attributive or Appositive ATAPAPAT名詞名詞demand, suggestion, proposal, advice 等詞后的同位語從句的語氣要用虛擬語氣等詞后的同位語從句的語氣要用虛擬語氣,結(jié)構(gòu)為結(jié)構(gòu)為 should + do, should 可省略可省略 He gave me a suggestion that I ( should ) be calm now.1.Whether he will c

22、ome or not is unimportant to me.2.What we need is more time.3. That I can pay back the help people give me makes me happy.二、名詞性從句的單復(fù)數(shù)和時(shí)態(tài)概念二、名詞性從句的單復(fù)數(shù)和時(shí)態(tài)概念一般情況下，名詞性從句均看作單數(shù)概念。一般情況下，名詞性從句均看作單數(shù)概念。賓語從句的時(shí)態(tài)必須與主句保持一致。賓語從句的時(shí)態(tài)必須與主句保持一致。賓語從句的時(shí)態(tài)呼應(yīng)賓語從句的時(shí)態(tài)呼應(yīng)1. 如果主句時(shí)態(tài)是現(xiàn)在時(shí)或?qū)頃r(shí)如果主句時(shí)態(tài)是現(xiàn)在時(shí)或?qū)頃r(shí),從句謂語從句謂語 可根據(jù)句意需要而選用任一種時(shí)態(tài)

23、可根據(jù)句意需要而選用任一種時(shí)態(tài). a .他相信他的夢(mèng)想總有一天會(huì)實(shí)現(xiàn)的他相信他的夢(mèng)想總有一天會(huì)實(shí)現(xiàn)的. He believes _ _. b .請(qǐng)告訴我你昨天這個(gè)時(shí)候在干什么請(qǐng)告訴我你昨天這個(gè)時(shí)候在干什么. Please tell me _ _. his dream will come true some day what you were doing at this time yesterday2. 如果主句謂語是過去時(shí)如果主句謂語是過去時(shí),從句謂語動(dòng)詞一般用過從句謂語動(dòng)詞一般用過 去的某種時(shí)態(tài)去的某種時(shí)態(tài),但從句表達(dá)的是客觀事實(shí)、真理、但從句表達(dá)的是客觀事實(shí)、真理、 自然規(guī)律等時(shí)，從句謂語

24、通常用一般現(xiàn)在時(shí)。自然規(guī)律等時(shí)，從句謂語通常用一般現(xiàn)在時(shí)。 他告訴我他正在為考試做準(zhǔn)備。他告訴我他正在為考試做準(zhǔn)備。 He told me _ _ . 他說他已離開家鄉(xiāng)十年了。他說他已離開家鄉(xiāng)十年了。 He told me _ _. 老師告訴我們光是沿直線運(yùn)行的。老師告訴我們光是沿直線運(yùn)行的。 The teacher told us _ _. he was preparing for the examination he had been away from his hometown for ten years light travels in a straight linePRACTICE

25、TIME：?jiǎn)尉涓腻e(cuò)1.That the earth turns around the sun are known to all.2.When the meeting will be held havent been known yet.3.I didnt know that you will come.4.He said that he is writing a story.5.Could you tell me when will he arrive?6.You can begin to see why does English have such strange rules._ is_ h

26、asnt_would_was_ he will_ English has_ _Practice time1.It now appears _ they are in need of help. A. that B. which C. what D. how2.It is good news _ they will arrive in a few days. A. which B. what C. that D. how3.It _ Joe drives badly. A. thought that B. thinks that C. was thought that D. is thought

27、 that4.It _ he is late for class. A. may that B. might that C. may be that D. might be what5.This is _ she was born. A. where B. which C. that D. what6.The question is _ we cant go there today. A. that B. what C. which D. when7.The question is _ it is worth doing. A. if B. whether C. which D. what8.

28、The reason why he has made such great progress is _ he has never wasted his time. A. because B. why C. that D. what9.My suggestion is _ we should turn the land into rice fields. A. what B. that C. which D. where10.His proposal is that the dam _ at the foot of the mountain. A. build B. will build C.

29、be built D. will be built11.My advice is that he _ regular house. A. keep B. would keep C. keeps D. kept12._ knows the truth will tell you about it. A. Who that B. Whoever C. Whom that D. That who13.We all know the truth _ the earth goes round the sun. A. that B. which C. what D. whether14.We heard

30、the news _ our team had won. A. which B. that C. what D. where15.The problem _ it is right or wrong has not yet been decided. A. which B. that C. whether D. if16.You must do well _ the teacher asks you to do. A. which B. what C. that D. whereHOMEWORK1. C1 & C2 in the workbook.2. Unit Revision: Periods 5 & 6.Good staying with you!Good staying with you!The end !