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1、Unit3 “It 用法”導(dǎo)學(xué)案 學(xué)習(xí)者姓名： 學(xué)習(xí)者組別： 學(xué)習(xí)者編號： 【學(xué)習(xí)目標(biāo)】：熟悉課文中出現(xiàn)的it句型，能熟練運用該句型，并了解其他常見it句型。 【學(xué)習(xí)重點】：it做形式主語和形式賓語 【學(xué)習(xí)難點】：運用it 句型 【學(xué)習(xí)內(nèi)容】： ①It表指代(人、事物、時間、日期、地點、天氣、溫度、距離、環(huán)境等。) ②It作形式主語、形式賓語 【學(xué)習(xí)步驟】：呈現(xiàn) 仿句 歸納 反饋 一it 用作代詞 （1）Read and analyze the following sentences. I cannot find

2、 my watch; I must have lost it They got a baby and it was very lovely Her mother kept telling her not to go out at night, but it didn’t help He smokes in bed and I don’t like it. ---Who is it? ---It’s me. ---Listen. Someone is crying. --Oh, it must be Mary 請指出在這些句子中it的用法 （2）.Read and anal

3、yze the following sentences. 1. It is Friday today. 2. It was very cold last Monday. 3. It is about 8:30 now. 4. It is about 25km from Longxian to Bazi. 5. It lies in the south of Shaoguan city. 6. It is 40°C ! You got a high fever! Question: What does “it” in these sentences refer to? 歸納總結(jié)

4、： :it 可以用作非人稱代詞，表示_____,_____,______,______,______,______等。 二it 用作引導(dǎo)詞 (一)It用作__________. 1. It is obvious that the water was to blame. 2. It is easy for you to listen to teacher attentively. 3. It is no use arguing with him about it. 4. It is amazing that at my age I still look like a student!

5、 5. 分析：it是______ ,句子真正的主語是——____________ (2) 代替不定式、動名詞、從句作形式主語，把真正的主語放在句末。it用作形式主語的重要句型有： 1) It + be + adj + for (of) sb to do sth 某人做某事… 1)It is important for her to come to the party 2)It is kind of you to say so 比較這兩個句子，區(qū)別是：____________________________________ bad ， brave ，modest

6、，silly ，important，dangerous ，normal ，common ，necessary， 可用于句型（1）的形容詞是___________________________________ 可用于句型（2）的形容詞是______________________________________ It is unfair______________ to criticize me.(he) It is not common _______________to receive letters(he) 2) It is important (necessary, ri

7、ght, strange, natural…) that… that從句中常用虛擬語氣：should+動詞原形，should 可以省去。 ___________________________________ English well. 重要的是我們應(yīng)該學(xué)好英語。 3) It is clear (obvious, true, possible, certain) that… 清楚（顯然、真的、肯定）…… ___________________he graduated from Beijing University in 1988.他1988年畢業(yè)于北京大學(xué)是真的。

8、_________________________she was able to solve the problem so quickly她這么快就解決這個問題,真令人驚訝 4) It is + n + that-從句 ①It is a pity (a shame…) that … ___________________that such a thing _________________in your class.這種事竟發(fā)生在你們班上,真遺憾。 ② It is no wonder (that) 難怪… It is no wonder that you look so h

9、appy. 難怪你看上去如此高興。 5) It is + n + (for sb／sth) + to do sth． 常用詞匯: pity, shame, pleasure, one’s duty, joy, good manners, bad manners等。 ____________________________________such a wonderful play．你錯過這么一個精彩的機會真遺憾。 _____________________________ the blackboard. 擦黑板是你的職責(zé)。 ________________________

10、____________________the seats for the old年輕人占用老人座位是不禮貌。 6) It is + adj / n + doing sth．常見形容詞和名詞：no/little use, no/much good, useless等。 It is no good learning English without speaking English. It’s a waste of time doing sth. It’s fun/worthwhile doing sth. 看這種雜志真是浪費時間 ___________________________

11、 the swimming pool in summer. 夏天跳進(jìn)游泳池太有趣了。 7) It is suggested (ordered…) that… 據(jù)建議 / 有命令…… 主句中的過去分詞是表示請求、建議、命令等詞時，that后的從句要用虛擬語氣（should+動詞原形）, should可以省略。 ____________________that the meeting _________________. 據(jù)建議，會議應(yīng)被推遲。 _________________ that we ______________there in two hours. 有命令我

12、們應(yīng)兩小時內(nèi)到達(dá)那。 8)It is said (reported, learned…) that… 據(jù)說（據(jù)報道，據(jù)悉…） _________________he has come to Beijing. 據(jù)說，他已到北京。 ___________________another earth satellite has been put into orbit. 據(jù)報道，又一顆地球衛(wèi)星已被送入軌道。 9) It takes sb + 時間段 + to do sth. 某人做某事花了......時間 . 我寫這封信花了一個小時。 10) It seems (appea

13、rs)/ happens that… 好像/碰巧… 他好像犯了一個錯誤。 11) It doesn’t matter whether… 不論（是否）…沒關(guān)系 他們是否老了沒關(guān)系。 12) It turns out that… 結(jié)果證明… _________________________we’ll have a happy, peaceful festival. 結(jié)果證明，我們要過一個快樂、安寧的節(jié)日。 13) It strikes sb that… …打動某人 ________________________the smal

14、l town is so beautiful. 最感動我的是這個小鎮(zhèn)如此之美。 14) It occurs to sb that ... 某人想起…(hit/strike/come to /occur to) ________________________she would refuse his invitation.他沒有想到她會拒絕他的邀請。 _____________________________ he might be in trouble. 我怎么也沒有想到他會遇上麻煩。 15) It verb sb clause…(surprise/ delight/

15、 interest disappoint/ bother) ______________________________I turn the television on?我開電視會不會吵著你? （二）. it作________ （1）當(dāng)不定式、動名詞、從句等用作賓語且其后跟有賓補時，使用形式賓語it，而將真正的賓語移至句末， I found it very interesting to study English. Our school made it a rule that students should not bring mobile phones to school. He

16、 felt it no use learning English without speaking it. 1)I find ______________ (難）to learn gymnastics.（it) 2)We believe ____________________________________________________ （是沒用的讀書不理解）.(use) 3)_______________________(他認(rèn)為很愉快)that he worked with us.(think) （2）enjoy, like, dislike, love, hate, prefe

17、r, appreciate等表示喜好的動詞+ it + when/ if引導(dǎo)的從句 I dislike it when others laugh at me in public or think poorly of me behind. ___________________________________________________send me the application forms as soon as possible. 若能盡快寄來申請表格,我將不勝感激 (3) 動詞（短語）+ it + that-從句 dislike, like, see to, look to

18、, depend/rely on ______________________she will fulfill the plan你們可以相信她會完成這個計劃 三. 用于某些句型 1) It’s (about / high) time + that-從句 某人該做某事了。(從句謂語用過去式，或should+do ) It is time that children____________________(上床睡覺) It is high time that____________________________________是實施改革的時候了。. 2) It’s the f

19、irst (second) time + that-從句 某人第幾次做某事(從句謂語用完成時) It is the first time that______________________. 這是我第一次去北京。 It was the third time that he___________________________. 這是他第三次取得這么大的進(jìn)步。 3) It is/ has been +時間段+ since sb. did sth It was +時間段+ since sb. had done sth 他爸爸去世已五年。 4) . It wi

20、ll (not) be + 時間段+ before sb. do sth It was (not) + 時間段+ before sb. did sth 若主句是一般時將來時態(tài)，從句是一般現(xiàn)在時.若主句是肯定句意思是“要過多長時間才”；若主句是否定形式翻譯成“用不了多久就” 這時若主句是一般過去時從句也是一般過去時。若主句是肯定句翻譯成“多長時間之后才”，若主句是否定形式翻譯成“沒過多久就”。如： It was 3 days before he went to Beijing. It will not be long before he finishes his job.

21、??_______________________before the situation improves. 這種狀況或許要過許多年才能得以改善。? __________________________before I realized the truth. ?過了很長一段時間我才了解到真相。 __________________before she became a brave solider. ??沒過多久她就成了一名勇敢的戰(zhàn)士。 5) It’s + 時間點 + when-從句 It’s 8 o’clock when I get home from work every d

22、ay. 每天我下班回家時已經(jīng)八點了。 ________________________________hey got up and did morning exercises. 他們起床做早操是在早上六點鐘。 6) If it were not for… / If it hadn’t been for… 若不是因為…… ___________________________________, I would punish you. 要不是他在場，我會處罰你的。 要不是他們幫助，這些困難我們不克服不了的。 7) It is up to sb to do sth

23、該由某人做某事 It’s up to you to make the choice. 得由你來作選擇。 8) 引導(dǎo)強調(diào)句 It is/ was +被強調(diào)部分+ that/ who... It is/ was not until +被強調(diào)的部分+ that. 1) Is it the years ____ you worked in the factory ____have a good effect on your literary works?? ???A. that; where? B. that; that? C. when; where? D. when; that

24、 2). When was ____you met with the famous scientist? ???A. it that? B. it? C. the place? D. the place that 四用在一些固定搭配中 make it 及時趕到；成功；辦成 catch it 被責(zé)罵；受處罰 get it 明白 Take it easy. 別著急。 That’s it. 這就對了。 If I can help it. 如果我有辦法的話。 You will catch it. 當(dāng)心；小心 worth it 有好處，值得做 請翻譯下

25、列句子 I'll not give you any trouble if I can help it. The new car cost a lot of money, but it's certainly worth it. The train goes at10.15. I think we shall make it If your father finds you here you'll really catch it! You will make it if you try. I thought he would be too old to get to the top

26、of the mountain, but he made it at last. 五 (1)、it與one的區(qū)別：這兩個詞都可以代表前面說過的名詞，但it用于同名同物的場合；one則用于同名異物的場合。 ---- Do you still have the bicycle? ---- No, I have sold _________ ---- Is this knife yours? ---- No. It is Xiao Zhang’s. Mine is ____ _____ on the desk. (2)、it與that的區(qū)別：兩詞都可代替某一特定名詞，但that指同一類，并

27、非同一個。 The climate of South China is mild（溫和的）; I like ______very much.（_________指the climate of South China） The climate of South China is much better than _________ of Japan.（_________指the climate） 六、寫作升級：用it句式翻譯下列句子： 1. 據(jù)宣布(announce)，明年年底又有三條地鐵線(subway)將建成。 2. 我沒有想到湯姆竟然會被選為學(xué)生會主席。 3.

28、那些未曾去過那個小村莊的人很難描繪出它的美麗。 4. 我發(fā)現(xiàn)很難與那些一貫固執(zhí)己見的人合作。 . 5. 你放心(rely on)，他會來見你的。 6. 直到她把墨鏡摘下來，我才意識到她是個著名的電影明星。（強調(diào)句） 練習(xí) 1. Is ______ necessary to tell his father everything? A. it B. that C. what D. he 2. ______ must be something wrong with the machine. A. There B. It C. H

29、e D. That 3. (1) ______ is known to us all, the earth turns around the sun. (2)______ is known to us all that the earth turns around the sun. A. It B. Which C. As D. That 4. (1)______ is difficult to persuade her to stay. A.It B.What C. He D.That (2)______ is di

30、fficult is to persuade her to stay. 5. I like_____in the autumn when the weather is clear and bright .（2004全國） 　　A．this B. that C. it D. one 6. The chairman thought_____necessary to invite Professor Smith to speak at the meeting . A. that B. it

31、 C. this D. him （2005全國） 7. If I can help_____, I don’t like working late into the night. （2006全國） 　 A. so B. that C. it D . them 8. —Have you heard the latest news? —No, what______? （2007全國） 　 A. is it B. is there 　C. are they D.

32、are those 9. ______worries me the way he keeps changing his mind. （2007山東） 　 A. This B. That C. What D. It 10. ______is our belief that improvements in health care will lead to a stronger，more prosperous economy. A. As B. That C. This D. It （2006浙江） 11.

33、Someone is ringing the doorbell. Go and see______. （ 2001上海） 　 A. who is he B. who he is 　　C. who is it D. who it is 12. The news that they failed their driving test discouraged him,______? （ 2000上海） 　 A. did they B. didn’t they C. did it D. didn’t it 13. The Parkers

34、 bought a new house, but_____ will need a lot of work before they can move in. A. they B. it C. one D. Which （NMET2000） 14. ---Excuse me, I want to have my watch fixed, but I can’t find a repair shop. ---I know_____ nearby. Come on, I’ll show you. A.

35、one B. it C. some D. that 15. —Why don’t we take a little break? —Didn’t we just have______? （NMET 2000） 　 A. it B. that C. one D. this 16. We need a new cupboard for the kitchen. So Peter made _______from some wood we had.　 A. it B. one C. h

36、imself D. another （2004全國） 17. I’m moving to the countryside because the air there is much fresher than ______in the city. A. ones B. one C. that D. those (2005江蘇） 18. —There is still a copy of the book in the library, will you go and borrow ____.

37、 —No , I’d rather buy_______ in the bookstore. （2007陜西） A. it；one B. one；one C. one；it D. it；it 19. Really great people always see the best in others; it is the little man who looks for the worst and finds______. A．one B．it C．that D．them 20. I’d appreciate

38、 ______if you would like to teach me how to use the computer. （2006山東） A. that B. it C. this D. you 21. He didn’t make _______clear when and where the meeting would be held. （2007天津） 　 A. this B. that C. it D. Those 22. It is the ability to do the

39、job_____ matters, not where you come or who you are. 　 A. one B. that C. what D. it （NMET2000） 23. —He was nearly drowned once. 　 —When was____? —____was in 1998 when he was in middle school.（2002春招） 　 A. that, It B. this, This C. this, It

40、 D. that, This 24. It was after he got what he had desired ____he realized it was not so important.（2006遼寧） A．that B. when C. since D. as 25. It is not who is right but what is right ______ is of importance. （2007重慶） 　 A. which B. it C. that

41、 D. this 26. I don’t mind her criticizing me, but _______ is how she does it that I object to.（2007江西） A. it B. that C. this D. which 27. It _____we had stayed together for a couple of weeks _____I found we had a lot in common. （2007浙江） A. was until, when B. was

42、 until, that C. wasn’t until, when 　D. wasn’t until, that 28. Was_ ____that I saw last night at the concert ? （1995上海） 　　A. it you B. not you C. you D. that yourself 29. Why! I have nothing to confess. ______you want me to say?（2004 上海） 　 A. What is it that B. What it

43、is that C. How is it that D. How it is that 30. It is almost five years ______we saw each other last time. （2005 北京春考） 　 A. before B. since C. after D. when 31 It was evening _____we reached the little town of Winchester. （2004 天津） 　 A. that B. unt

44、il C. since D. Before 32. —What was the party like? 　 —Wonderful. It is seven years _____I enjoyed myself so much.（NMET 1993） 　A. after B. before C. when D. since 33. ______was in 1979________I graduated from the university.（ 1998上海） 　 A. That; that B .

45、It; that C. That; when D. It; when 34. I like this house with a beautiful garden in front, but I don’t have enough money to buy_______.（09四川） A. one B. it C. this D. that 35. Being a parent is not always easy, and being the parent of a child with special needs of

46、ten carries with ___extra stress. （09北京） A. it B. them C. one D. him 36.－I’ve read another book this week. －Well, maybe _____ is not how much you read but what you read that counts. （09浙江） A. this B. that C. there D. it 37. ___ felt funny watching myself on TV. [2007 全

47、國卷II] A. One B. This C. It D. That 38. The information on the Internet gets around much more rapidly than ____ in the newspaper. A. it B. those C. one D. that [2007 遼寧卷] 39.—He got his first book published. It turned out to be a bestseller. —When was _____? —_____

48、was in 2000 when he was still in college. [2007 浙江卷] A. that; This B. this; It C. it; This D. that; It 40.【2010全國2】The doctor thought _____ would be good for you to have a holiday. A. this B. that C. one D. it 41.【2012 陜西】No matter where he is, he makes _____ a rul

49、e to go for a walk before breakfast. A. him B this C. that D. it 42.【2011山東】The two girls are so alike that strangers find ___ difficult to tell one from the other. A. it B. them C. her D. that 43.【2012全國Ⅱ】Sarah made _____ to the airport just in time to catch her plane this morning. A. h

50、erself B. this C. that D. it 44.【2013陜西】—Shall we go for a drink at one o’clock this afternoon? — ______. Will two o’clock be OK? A. Sure, it’s up to you B. Sure, no problem C. Sorry, I can’t make it D. Sorry, I’m not available today 45.【2013新課標(biāo)I】Try not to cough more than you can ___

51、since it may cause problems to your lungs. A. check B. allow C. stop D. help 46. 【2005全國1】—Oh dear ! I’ve just broken a window. —_____. It can’t be helped. A. Never mind B. All right C. That’s fine D. Not at all 答案寫作升級 1.It’s announced that another three subways will have been completed

52、 by the end of next year. 2.It never occurred to me that Tom should be elected chairman of the Students’ Union. 3.It’s very hard for those who haven’t been to the small village to describe its beauty. 4.I find it hard to cooperate with those who always stick to/ persist in their own opinions 5.Y

53、ou may rely on it that he’ll come to meet you. 6. It was not until she took off her dark glasses that I realized she was a famous film star. 答案1----5: A A C(A), A(B), C 6----10 BＣAＤD 11—15 D D B A C 16---20 B C A B B 21---25 C B A A C 26---30 A D A A B 31---35 D D B B A 36---40 D C D D D 41---46 D A D B D A