湖北省武漢市高二英語(yǔ)選修6教案精編版Unit 3 Period 2精修版

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1、人教版英語(yǔ)精品資料（精修版） Unit 3 A Healthy Life Part 1 Teaching Design 第一部分 教學(xué)設(shè)計(jì) Period 2 A sample lesson plan for Learning about Language (The use of “it”<1>) Introduction In this period students will be warming up by fast reading, summing up the use of it and doing vocabulary and grammar exercises. Th

2、e class will be ended by students taking a quiz. Objectives ■ To help students learn about the use of it ■ To help students discover and learn to use some useful words and expressions ■ To help students discover and learn to use some useful structures Procedures 1 Warming up by fast reading N

3、ice too see you on this bright cool morning. To warm up let’s do a fast reading of a piece of latest news about smoking in China. Read for the key idea and supporting details. Chinese smokers burn 3 more cigarettes than world average 中國(guó)煙民吸煙數(shù)比世界平均數(shù)多三支 Source: Xinhua Newswire, 2005-05-09 A recent

4、survey carried out by China Horizon Research shows Chinese smokers burn 15.8 cigarettes per day, which is three more than the world average 13. The survey also tells us the number of male smokers is much larger. Average money paid for each pack of cigarettes is 4.6 yuan. Zhejiang smokers are the mo

5、st lavish with their habit. They averagely pay nine yuan for each pack, while Hunan smokers pay an average of three yuan per pack. Most smokers' educational level is low. Eighty percent of them have only received a high school education or lower. 2. it句型大歸納 1. It is + 被強(qiáng)調(diào)部分 + that ...　 　 該句型是強(qiáng)調(diào)句

6、型。將被強(qiáng)調(diào)的部分放在前面，其它部分置于that之后。被強(qiáng)調(diào)部分可以是主語(yǔ)，賓語(yǔ)，表語(yǔ)或狀語(yǔ)。強(qiáng)調(diào)的主語(yǔ)如果是人，that可以由who換用。把這種句型結(jié)構(gòu)劃掉后，留下的應(yīng)該是一個(gè)完整的句子，這是判斷該句是強(qiáng)調(diào)句型還是其它從句的方法。 It was about 600 years ago that the first clock with a face and an hour hand was made. It was they that (who) cleaned the classroom yesterday. It was in the street that I met he

7、r father. 2. It is not until + 被強(qiáng)調(diào)部分 + that ... 直到……才…… 該句型也是強(qiáng)調(diào)句型。主要用于強(qiáng)調(diào)時(shí)間狀語(yǔ)，可以說(shuō)是 not ... until ... 的強(qiáng)調(diào)形式。 It was not until she took off her dark glasses that I realized she was a famous film star. = Not until she took off her dark glasses did I realize she was a famous film star. = I didn’t

8、realize she was a famous film star until she took off her dark glasses. 3. It is clear (obvious, true, possible, certain....) that ..... ……是清楚（顯然，確切，肯定．．．）的 該句型中it 是形式主語(yǔ)，真正的主語(yǔ)是that 引導(dǎo)的主語(yǔ)從句，是主語(yǔ)從句最常見的一種結(jié)構(gòu)。 　　 It is very clear that he’s round and tall like a tree. 　　 = That he’s round and tall lik

9、e a tree is very clear. 4. It is important ( necessary, right, strange, natural...) that ... 該句型和3同屬一個(gè)句型。that 后的從句中需用虛擬語(yǔ)氣should + 動(dòng)詞原形（should 可省去）。 It is important that we (should) learn English well. 　　 It is necessary that he (should) remember these words. 5. It is said (reported, learned..

10、..) that ... 據(jù)說(shuō)（據(jù)報(bào)道，據(jù)悉……） 該句型中的it 仍是形式主語(yǔ)，真正主語(yǔ)是that 引導(dǎo)的主語(yǔ)從句?！　? It is said that he has come to Beijing. 　　 It is reported that another earth satellite has been put into orbit. 6. It is suggested ( ordered ... ) that ... 據(jù)建議；有命令…… 該句型同屬上。主句中的過(guò)去分詞表示請(qǐng)求，建議，命令等意，that　后的從句要用虛擬語(yǔ)氣should + 動(dòng)詞原形（should 可省去

11、）?！　? It is suggested that the meeting ( should ) be put off. 　 It was ordered that we ( should ) arrive there in two hours. 7. It is a pity ( a shame ... ) that ... 竟然…… 該句型中，that后的從句一般用虛擬語(yǔ)氣should + 動(dòng)詞原形（should可省去）,表示出乎意料。沒有這種意義時(shí)，則不用虛擬語(yǔ)氣。 It is a pity that such a thing ( should ) happen in yo

12、ur class. 這種事竟然發(fā)生在你們班上，真是遺憾！ 　 It is a pity that he is ill. 他生病了，真遺憾！ 8. It is time ( about time ,high time ) that ... 是（正是）……的時(shí)侯了 該句型中that 后的從句應(yīng)該用虛擬語(yǔ)氣，值得注意的是① 常用過(guò)去時(shí)態(tài)表示虛擬．② 有時(shí)也用should + 動(dòng)詞原形，should 不能省?！　? It is time that children should go to bed. 　　 = It is time that children went to bed.

13、9. It is the first ( second ... ) time that ... 是……第一（二）次…… 該句型要和上一個(gè)句型區(qū)別開來(lái)。該句型中的 that 從句不用虛擬語(yǔ)氣，而用完成時(shí)態(tài)。至于用什么完成時(shí)態(tài)，由主句的謂語(yǔ)動(dòng)詞的時(shí)態(tài)決定。如果是一般現(xiàn)在時(shí)，后面從句用現(xiàn)在完成時(shí)態(tài)；如果是一般過(guò)去時(shí)，后面從句則用過(guò)去完成時(shí)態(tài)。該結(jié)構(gòu)中 that 可以省去；it有時(shí)用 this 替換。 It is the first time I have been here. = This is the first time I have been here. 10. It is ..

14、.. since ... 該句型主要用作處理瞬間動(dòng)詞的完成時(shí)，又要和表示一段時(shí)間的時(shí)間狀語(yǔ)連用的問(wèn)題。主句中是時(shí)間作表語(yǔ)，其時(shí)態(tài)是現(xiàn)在時(shí)或完成時(shí)，since 引導(dǎo)的從句通常是一般過(guò)去時(shí)態(tài)，而且是瞬間動(dòng)詞。如果主句是一般過(guò)去時(shí)，從句則用過(guò)去完成時(shí)。 　　 It is ( has been ) 5 years since his father died. 11. It is ... when ... 當(dāng)……的時(shí)候，是…… 該句型中的 when 引導(dǎo)的是一個(gè)時(shí)間狀語(yǔ)從句，主句中的 it 指時(shí)間，表語(yǔ)由具體的時(shí)間充當(dāng)。It was 5 o’clock when he came here.

15、 12. It be ... before ... ……才……；……就…… 該句型主句中的 it 指時(shí)間, 主句中的時(shí)態(tài)常是將來(lái)一般時(shí)或過(guò)去時(shí)兩種時(shí)態(tài)．主句中的表語(yǔ)多是long, not long , 3 days , 2 weeks 等表示時(shí)間段的詞或短語(yǔ)。 It was quite a long time before he realized his mistake. It will be not long before he finishes his job. 13. It happens (seems, looks, appears ) that... 碰巧……；看來(lái)……

16、 該句型中it是形式主語(yǔ)，that 引導(dǎo)的是主語(yǔ)從句，主句中的happen , seem等詞是不及物動(dòng)詞． 　　 It happened ( so happened ) that he met his teacher in the street. 　 It seems that he will be back in a few days. 14. It takes sb. ... to do sth. 做……要花費(fèi)某人…… 該句型中的不定式是真正的主語(yǔ)，it是形式主語(yǔ)，句型中的直接賓語(yǔ)是時(shí)間。 　　 It took thousands of people many years to

17、 build the Great Wall. 15. It is no good (use ) doing sth. 該句型中的真正主語(yǔ)是動(dòng)名詞短語(yǔ)，主句中的表語(yǔ)可以是no good , ( not any good ) , no use , ( not any use )。 　　 It is no good learning English without speaking English. 16. It doesn’t matter whether ( if ) ... 不論（是否）……沒關(guān)系…… 該句型中whether(if) 引導(dǎo)的從句是真正主語(yǔ)。 　　　 It doe

18、sn’t matter if they are old. 17. It is kind ( of sb. ) to do sth. 該句型中的不定式短語(yǔ)是真正主語(yǔ)，如果不定式的邏輯主語(yǔ)是由 of引起，主句中的形容詞必須是能表示邏輯主語(yǔ)特征的形容詞。常見的有： bad , brave , careless, clever , cruel , foolish , good （好心的）, honest , horrible , kind , lazy , modest , naughty , nice（有教養(yǎng)的）, polite, rude , silly , stupid , wise ,

19、wrong（錯(cuò)誤的）等。 這個(gè)句型可以改寫為：sb. is kind to do sth. 　 It is kind of you to say so. = You are kind to say so. 18. It is necessary ( for sb. ) to do sth. 該句型同上。如果不定式的邏輯主語(yǔ)是由for引起，主句中的形容詞通常是表示事情的重要性，緊迫性，頻繁程度，難易，安全等情況的形容詞。常見的形容詞有：① important, necessary, natural ② easy , safe , common , normal , hard , d

20、ifficult , dangerous , unusual, rare , impossible , pleasant等。 　　 在①中的形容詞作表語(yǔ)可以用從句改寫， 如： 　　 It is important for her to come to the party. = It is important that she (should ) come to the party = That she (should) come to the party is important. 19. It looks ( seems) as if ... 看起來(lái)好象…… 該句型中it無(wú)意

21、義。 as if 引導(dǎo)一個(gè)狀語(yǔ)從句。如果與事實(shí)不相符合，則用虛擬語(yǔ)氣． It looks as if he is ill.（真的病了）　 It looks as if he were ill. （沒有生?。? It seemed as if he were dying. 20. We think it important to learn a foreign language. 該句型中的it 做形式賓語(yǔ)。為了記憶方便我們可稱該句型為"6123結(jié)構(gòu)"。 6指主句中常用的動(dòng)詞：think, believe, make, find, consider, feel； 1指的是形式

22、賓語(yǔ)it； 　 2指的是賓補(bǔ)的兩種形式：形容詞或名詞； 3指的是真正賓語(yǔ)的三種形式：不定式短語(yǔ)，動(dòng)名詞短語(yǔ)或that引導(dǎo)的賓語(yǔ)從句。 　 We think it our duty to clean our classroom every day. 　 He felt it important learning English well. 　 They found it difficult that they would finish their work in two days. 3. Doing vocabulary and grammar exercises Now it’

23、s time to do the vocabulary and grammar exercises on page 20 &21. Write your answers just in the blanks on the very pages of 20&21. 4. Closing down by taking a quiz 高考單選題中的“it” 1. In fact ______ is a hard job for the police to keep order in an important football match. (2001上海) A. this B. th

24、at C. there D. it 2. The parkers bought a new house but _____ will need a lot of work before they can move in. (2001全國(guó)) A. they B. it C. one D. which 3. —He was nearly drowned once. —When was _____? —______ was in 1998 when he was in middle school. (2002京蒙皖春招) A. t

25、hat, It B. this, This C. this, It D. that, This 4. It is said in Australia there is more land than the government knows ______.(2002全國(guó)) A. it what to do with B. what to do it with C. what to do with it D. to do what with it 5. Bill’s aim is to inform the viewers tha

26、t cigarette advertising on TV is illegal, _____?(2004上海) A. isn’t it B. is it? C. isn’t he D. is he 6. The Foreign Minister said, “_______ our hope that the two sides will work towards peace.” (2004北京) A. This is B. There is C. That is D. It is 7. —Do you like _____ here

27、? —Oh, yes. The air, the weather, the way of life. Everything is so nice. (2004全國(guó)II) A. this B. these C. that D. it 8. I like _____ in the autumn when the weather is clear and bright. (2004全國(guó)I) A. this B. that C. it D. one 9. That was really a splendid evening. It’s years

28、 ____ I enjoyed myself so much. (2005安徽) A. when B. that C. before D. since 10. It was some time ____ we realized the truth. (2005山東) A. when B. until C. since D. before 11. _______ is our belief that improvements in health care will lead to a stronger, more prosperous economy

29、. （2006浙江） A. As B. That C. This D. It 12. If I can help _____ , I don’t like working late into the night. (2006全國(guó)I) A. so B. that C. it D. them Keys 1. D。it 在句中做形式主語(yǔ)，真正的主語(yǔ)是to keep order in an important football match。句意為: 實(shí)際上，在一次重大的足球賽中，對(duì)警察來(lái)說(shuō)，維持秩序是一項(xiàng)很難的工作。2. B。it指代前面提到的單數(shù)名詞，指同一事物，此句中指a

30、new house；而one指“同名異物”；which引導(dǎo)定語(yǔ)從句，但題干中有連詞but，并非從句，which不妥；A為復(fù)數(shù)，更易排除。 3. A。用that指代上文提到的事，避免了重復(fù)；it指代時(shí)間。4. C。know后可接“疑問(wèn)詞+動(dòng)詞不定式”作賓語(yǔ)?？膳懦鼳、D。what作do的賓語(yǔ)。即do sth. with sth/sb.“采取措施處理某事或?qū)Υ橙恕薄?. A。此句是含賓語(yǔ)從句的主從復(fù)合句，主句是肯定句，最佳答案是A。6. D。此題考查代詞用法。this/that不能作形式主語(yǔ)；there be只通用于某處有某物。 7. D。此題考查代詞用法。this, that, these作代詞都要明確指示對(duì)象，而it可以作形式賓語(yǔ)，沒有固定的意思。8. C。此題考查代詞用法。A、B指代物或事時(shí)都有明確要求，D必須指代可數(shù)名詞單數(shù)或表數(shù)量，而題中并沒有明示，所以選用法最廣的C。9. D。句意：我多年沒玩得如此痛快了。enjoy是延續(xù)性動(dòng)詞，主句時(shí)間應(yīng)從 enjoyed結(jié)束時(shí)算起。10. D。此題題意為：一段時(shí)間以后我才意識(shí)到了事實(shí)的真相。11. D。 12. C。