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1、Unit 2 I think that mooncakes are delicious！Section A（4a-4c）課前預(yù)習Object clauses with that, if and whether（一）賓語從句（一）賓語從句 Grammar Focus一、賓語從句的概念一、賓語從句的概念 在句子中起賓語作用的從句叫做賓語從句。在句子中起賓語作用的從句叫做賓語從句。 We know Mr Green teaches English. She asked if these answers were right.Grammar Focus二、賓語從句三要素二、賓語從句三要素賓語從句三要素

2、賓語從句三要素引導(dǎo)詞引導(dǎo)詞that+ +陳述句陳述句 ifwhether+一般疑問句一般疑問句 特殊疑問詞特殊疑問詞+ +特殊疑問句特殊疑問句時態(tài)時態(tài)主句為一般現(xiàn)在時主句為一般現(xiàn)在時主句為一般過去時主句為一般過去時一般過去時一般過去時過去將來時過去將來時過去進行時過去進行時過去完成時過去完成時語序語序賓語從句的語序都為陳述句語序賓語從句的語序都為陳述句語序從句客觀真理時態(tài)不變從句客觀真理時態(tài)不變從句可為任何時態(tài)從句可為任何時態(tài)Grammar Focus（1）由）由that引導(dǎo)的賓語從句引導(dǎo)的賓語從句注：注：that 在句中無詞匯意義，在從句中不充當成分，在口語當中在句中無詞匯意義，在從句中不充

3、當成分，在口語當中往往省略。往往省略。Object clauses with that知識拓展a.根據(jù)漢語句子的意思完成下列英語句子。根據(jù)漢語句子的意思完成下列英語句子。. 我認為瑪麗不回來了。我認為瑪麗不回來了。 I dont think Mary _ _. 山姆跟我說他準備去上海。山姆跟我說他準備去上海。 Sam told me that he _ _ for Shanghai.我想知道今天晚上還有沒有去北京的火車。我想知道今天晚上還有沒有去北京的火車。 I want to know _ there is a train to Beijing.willcome was leaving if

4、 / whether Grammar Focus 1）. if和和whether引導(dǎo)賓語從句時，作引導(dǎo)賓語從句時，作“是否是否”講，一般情況下，二者沒講，一般情況下，二者沒有區(qū)別，可以換用。但有區(qū)別，可以換用。但if常用于口語中，常用于口語中，whether比較正式。比較正式。例：例：Millie asked if/whether he liked this sweater. 米莉問他是否喜歡這件羊毛衫。米莉問他是否喜歡這件羊毛衫。 The fisherman wants to know if/whether it will rain. 漁民想知道天是否會下雨。漁民想知道天是否會下雨。Obje

5、ct clauses with if and whether（2）由）由if / whether引導(dǎo)的賓語從句引導(dǎo)的賓語從句Grammar Focus 2）. if和和whether引導(dǎo)賓語從句時，要注意賓語從句三要素，即連引導(dǎo)賓語從句時，要注意賓語從句三要素，即連詞、語序和時態(tài)。由于詞、語序和時態(tài)。由于if和和whether連接的是一般疑問句，因此要注連接的是一般疑問句，因此要注意把從句語序改為陳述句語序。意把從句語序改為陳述句語序。例：例：Does Mr Zhao live in Room 208? Could you tell me? Could you tell me if/wheth

6、er Mr Zhao lives in Room 208? Grammar Focus 3）. if和和whether的區(qū)別的區(qū)別二者在下列幾種情況下不能換用：二者在下列幾種情況下不能換用：. 賓語從句置于句首表示強調(diào)時，應(yīng)用賓語從句置于句首表示強調(diào)時，應(yīng)用whether，不用，不用if。例：例：Whether this is true or not, I cant say. 這是否對，我不能說。這是否對，我不能說。. 賓語從句與賓語從句與or not直接連用時，應(yīng)用直接連用時，應(yīng)用whether，不能用，不能用if。例：例：I dont know whether or not he will

7、 come tomorrow. 我不知道他明天是否來。我不知道他明天是否來。Grammar Focus. 與動詞不定式連用時，只能用與動詞不定式連用時，只能用whether。例：例：She cant decide whether to go to America. 她不能決定是否去美國。她不能決定是否去美國。. 從句作介詞賓語時，只能用從句作介詞賓語時，只能用whether。例：例：I worry about whether I hurt her feeling. 我擔心是否傷了她的感情。我擔心是否傷了她的感情。Grammar Focus. 賓語從句的謂語動詞是否定形式時，只能用賓語從句的謂語

8、動詞是否定形式時，只能用if，不能用，不能用whether。例：例：Tom wants to know if he wont come here tomorrow. 湯姆想知道他明天是否不來這兒。湯姆想知道他明天是否不來這兒。. if意為意為“假如，如果假如，如果”時，可以引導(dǎo)條件狀語從句，而時，可以引導(dǎo)條件狀語從句，而whether沒有這沒有這個用法。個用法。例：例： If Simon comes here tomorrow, Ill call you. 假如西蒙明天來這兒，我將打電話告訴你。假如西蒙明天來這兒，我將打電話告訴你。Grammar Focus學(xué)習賓從三注意，時態(tài)語序和連詞。學(xué)習

9、賓從三注意，時態(tài)語序和連詞。時態(tài)主從要呼應(yīng)：時態(tài)主從要呼應(yīng)：主句若為現(xiàn)在時，從句時態(tài)隨句意；主句若為現(xiàn)在時，從句時態(tài)隨句意；主句若為過去時，從句時態(tài)變過去；主句若為過去時，從句時態(tài)變過去；賓從若是表真理，時態(tài)不變無質(zhì)疑。賓從若是表真理，時態(tài)不變無質(zhì)疑。語序要用陳述序，切莫照搬疑問句。語序要用陳述序，切莫照搬疑問句。That That 連接陳述句，省與不省要注意。連接陳述句，省與不省要注意。從句若表從句若表“是否是否”時，時，if/whetherif/whether要慎記。要慎記。特殊問句作賓語，仍用原來疑問詞。特殊問句作賓語，仍用原來疑問詞。三個問題需牢記，切莫丟東忘了西。三個問題需牢記，切莫

10、丟東忘了西。練一練a. I dont know if Mr. Wang _on a field trip. If he _ on a field trip tomorrow, please call me. A. goes; will go B. will go; goes C. will go; will go D. goes; goes b. She asked me if I knew _. A. whose pen was it B. whose pen it was C. whose pen it is D. whose pen is it BB練一練c. They wondered

11、 if the teacher _ us English the next term. A. would teach B. had taught C. will teach D. taughtd. The boy asked _ any noise from outside. A. whether had I heard B. whether I had heard C. whether have I heard D. whether I have heardAB練一練e. I havent decide _ Ill go out or stay at home. A. if B. when

12、C. why D. whetherf. I want to know _ he loves you. A. that B. what C. if D. whoDC練一練g. 把下列句子改為賓語從句的復(fù)合句。把下列句子改為賓語從句的復(fù)合句。 . He said, “I have been to America”. He said _ _ _ _ to America. . Is there a hotel near here? Do you know? Do you know _ _ _ a hotel near here? . What sport do you like best? Coul

13、d you please tell me? Could you please tell me _ _ _ _ _? that he had been if /whether there is what sport you like best課前預(yù)習 用來表達喜、怒、哀、樂等強烈感用來表達喜、怒、哀、樂等強烈感情的句子叫感嘆句。感嘆句一般用情的句子叫感嘆句。感嘆句一般用what或或how引導(dǎo)，句末用感嘆號。引導(dǎo)，句末用感嘆號。what修飾修飾名詞，名詞，how修飾形容詞或副詞。修飾形容詞或副詞。 （二）感嘆句（二）感嘆句 Grammar Focuswhat引導(dǎo)的感嘆句引導(dǎo)的感嘆句: :1) Wh

14、at + a/ an + adj. + 可數(shù)單數(shù)可數(shù)單數(shù)(+(+主謂語主謂語)!)! 例：例： What a brave boy (Tom is)! What an excellent idea (it is)!2) What + adj. + 可數(shù)名詞復(fù)數(shù)可數(shù)名詞復(fù)數(shù)(+(+主謂語主謂語)!)! 例：例： What beautiful pictures (they are)!3) What + adj. + 不可數(shù)名詞不可數(shù)名詞(+(+主謂語主謂語)!)! 例：例： What delicious food (it is)!Grammar Focushow引導(dǎo)的感嘆句：引導(dǎo)的感嘆句：How +

15、 adj. / adv. + 主語主語 + 謂語謂語!例：例： How happy the children were! How carefully he is reading! 注意：一般情況下，以注意：一般情況下，以what和和how開頭的感嘆句可以相互轉(zhuǎn)換，轉(zhuǎn)開頭的感嘆句可以相互轉(zhuǎn)換，轉(zhuǎn)換后意義不變。換后意義不變。例：例： What a tall building it is! = How tall the building is! 練一練h. 根據(jù)句意選出恰當?shù)囊豁椞羁铡８鶕?jù)句意選出恰當?shù)囊豁椞羁铡? _ (What / What a) delicious chicken we are

16、 having!. _ (What / How) warm it is in the classroom! . _ (What / What a) nice shirt you bought!. _ (What / How) fast the young man is walking! What How What a How練一練i. 將下列句子改為感嘆句。將下列句子改為感嘆句。. The girl is very clever. _ _ the girl is!. It is a wonderful experience. _ _ wonderful experience it is!. T

17、he wind is blowing strongly. _ _ the wind is blowing!. The news is exciting. _ _ news it is!How cleverWhat a How strongly What exciting1. think/Lantern Festival/beautiful I think that the Lantern Festival is beautiful.2. dont know /whether /he /come home /for the festival_3. believe/Water Festival/m

18、ost/fun_4a Write sentences using the words given.I dont know whether he will come home for the festival.I believe that the Water Festival is the most fun.Practice4. wonder/if/mooncakes/delicious_5. how/exciting/races _6. what/interesting/city_Jenny wonders if the mooncakes are delicious.How exciting

19、 the races are!What an interesting city ( it is)!Practice4b Read the passage below and underline the objective clauses. If possible write your own sentences about Mothers Day and Fathers Day using objective clauses.Dear Xia Yu,Do you know that there are two special days for parents in America? One i

20、s Mothers Day on the second Sunday of May and the other is Fathers Day on the third Sunday of June. On these two days, American children often give gifts to their parents or take them out for lunch Practiceor dinner. Common gifts are flowers and cards for mothers and shirts or ties for fathers. I he

21、ard that it is becoming more and more popular to celebrate Mothers Day and Fathers Day in China. I wonder if children over there also give similar gifts to their parents. I believe that there are many ways to show our love. Actually, we dont have to spend a lot of money. It is also a good idea to he

22、lp parents to do something instead. JunePractice課文解析 1.Common gifts are flowers and cards for mothers and shirts or ties for fathers.普遍的禮物是送花和卡片給媽媽，送襯衫或領(lǐng)普遍的禮物是送花和卡片給媽媽，送襯衫或領(lǐng)帶給爸爸。帶給爸爸。 （1）tie n. 領(lǐng)帶（可數(shù)）領(lǐng)帶（可數(shù)） 復(fù)數(shù)形式：復(fù)數(shù)形式：ties 例：例： I bought a tie for my father yesterday.昨天我買了條領(lǐng)昨天我買了條領(lǐng)帶送給爸爸。帶送給爸爸。（2）tie v

23、. 系，捆，與系，捆，與to連用連用 例：例： Please tie your shoes.請系上鞋帶。請系上鞋帶。課文解析 2.Actually, we dont have to spend a lot of money. 事實上，我們不事實上，我們不必花很多錢必花很多錢。(1) have to 意為意為“必須；不得不必須；不得不”，強調(diào)由強調(diào)由于于客觀因素主語不得不做客觀因素主語不得不做某事某事，有人稱和時有人稱和時態(tài)的變化，其后跟態(tài)的變化，其后跟動詞原形動詞原形。 例：例： Because he had no money, he had to drop out of school. 因為

24、沒有錢，他不得不輟學(xué)。因為沒有錢，他不得不輟學(xué)。知識拓展have to 與與 musthave to: “必須；不得不必須；不得不”，表示表示客觀客觀需要需要，有人稱，有人稱、數(shù)、時態(tài)的變化數(shù)、時態(tài)的變化。 dont have to 表示表示“不必不必”must:“必須必須; ; 一定一定” 表示說話人表示說話人主觀主觀上的看法，上的看法，must must 只有一種形式只有一種形式。 mustnt 表示表示“禁止禁止”例：例： You dont have to tell him about it. 你不必把這件事告訴他你不必把這件事告訴他。例：例：You mustnt tell him ab

25、out it. 你一定不要把這件事告訴他你一定不要把這件事告訴他。課文解析(2) spend v. 意為意為“用，花用，花” 常用句型常用句型為為：spend some time/ money ( in ) doing sth. 花費時間花費時間/ /錢做某事。錢做某事。 spend 后接動詞的后接動詞的-ing。例：例： I spent two hour (in) reading the novel. 我花了兩小時讀這篇小說。我花了兩小時讀這篇小說。例：例： I spent 100 yuan buying the sweater. 我花了我花了100元買這件毛衣。元買這件毛衣。4c Which festival do you like best? Ask your group and report to the class.e.g. In our group, Davids favorite festival is . He thinks that PracticeTHE ENDTHANKS