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1、Unit 1 Festivals around the world,Learning about language,Checking answer I (2m)Answer keys for Ex.1 on Page 4:,,Checking answer II (2m)Answer keys for Ex.2 on Page 4:,Many people think that Christmas is a western ________ , but in fact it is really a worldwide holiday. Christmas actually started as

2、 a _____ festival celebrated by ___________ around the world. Its ________ is around the 3rd or 4th century AD when the _________ of remember-ing Jesus birth on December 25th first started. Today, of course, many people celebrate Chris-tmas _______ it were just a holiday to______ family, rather than

3、 a holiday about a ________,celebration,religious,Christians,origin,custom,as though,have fun with,belief,Checking answer III ( 2m )Answer keys for Ex.3 on Page 4:,look forward to 2. starving 3. custom 4. Gather 5. Admire 6. Belief 7. harvests, harvests 8. feast 9. tricks 10. gain, ga

4、in,情態(tài)動詞（Modal Verbs),情態(tài)動詞表示說話人對某一動作或狀態(tài)的態(tài)度，認(rèn)為“可能”、“應(yīng)當(dāng)”、“必要”等等。但本身詞義不完全，不能單獨(dú)作謂語動詞，必須和不帶to的不定式（即動詞原形）連用。情態(tài)動詞沒有人稱和書的變化。 can and could may and might will and would shall and should must and cant,can and could,So he can carry heavy books. ability He couldnt open the door by himself. ability Could you open

5、 the door, please? request,Can/could的用法。 1.意為“能夠、會”，表示體力或腦力等方面的能力。 2.意為“可以”表示許可，常在口語中代替may. 3.意為“可能”用在肯定陳述句中表可能性，用在否定句或疑問 句中表示猜測、驚訝等。 4.can have done 用于對過去動作的推測，表可能，常用于否定句和疑問句中。,e.g. I can speak English. Can I keep the book for a few days ? You cant be serious.（你不會是當(dāng)真吧） She is two hours late .What

6、can have happened? Can 和 be able to 的區(qū)別 1.can 和 could 表示能力時，有時可以用be able to 替換，由于 只能表示現(xiàn)在時和一般過去時，當(dāng)我們需要用現(xiàn)在完成時,,或其他時態(tài)時，就可以用be able to表示。 當(dāng)我們要強(qiáng)調(diào)過去確實(shí)使用了某種能力時，要用was(were)able to,而不用could。was able to表示“設(shè)法干成某事”而 could只表示“具備某種能力”。 e.g. He is such a good swimmer that he was able to save the boys from drow

7、ning the other day.,Could的用法 1.在過去的語境中，表示過去的能力、許可、可能。 2.若不是出現(xiàn)在過去的語境中，它就是表達(dá)委婉口氣。 could have done 表示對過去發(fā)生事情的推測。 e.g.I couldnt speak English two years ago. Where could she have gone?,may and might,He may be in his office.=( perhaps he is in his office.) He might be having lunch.=( perhaps he is having

8、 lunch.),may and might,1） 表示可能性（possibility）,用于對現(xiàn)在，過去或?qū)淼耐茰y，暗示不確定。might 不是may的過去式，它所表示的可能性比may 小，含較多的懷疑。 He may be very busy now. (可能性較大) He might be very busy now. (可能性較小),2） 表示許可（permission），表示允許別人做某事， 也可征求對方的許可。 He may go now. We may keep the book for two weeks. 3） 用于祈使句，表示祝愿。 May you succeed! Ma

9、y you have a nice trip!,may, might, can, could,1. They (can/might) ___________be away for the weekend but Im not sure. 2. You (may/might) __________leave now if you wish. 3. (could/may) __________you open the window a bit, please? 4. He (can/could) __________be from America, judging by his accent. 5

10、. (may/can) ___________you swim? 6. Listen, please. You (may not/might not) _________________ speak during this exam.,might,表示猜測,may,表示許可,could,表示請求,could,表示猜測,can,表示能力,may not,表示不允許,7. They (can not/may not) _______________ still be out, the light is on in the house. 8. You (couldnt/might not) ____

11、_____________ smoke on the bus. 9. With luck, tomorrow (can/could) __________be a cooler day. 10. You (can/might) ___________ be right, but Im going back to check it.,表示許可,couldnt,could,表示猜測,can not,表示猜測(不可能),might,表示猜測,will and would,1）表示意愿 表示愿意做或主動提出做，如意志,愿望或決心 That bag looks heavy, Ill help you w

12、ith it. ( offering to do sth) ---- You know that book I lent you. Can I have it back if youve finished with it? ---- Of course. Ill give it to you this afternoon. (agreement) Thanks for lending me the money, Ill pay you back on Friday. (promise),2）表示習(xí)慣(habit, custom) This old man is strange. He will

13、 sit for hours without saying anything. We would sit around Grandpa after supper, listening to his stories. 3）表示請求（request）, 用于第二人稱, would 比will 更委婉。 例如： Will you come this way, please? Would you open the window?,shall and should,1）shall 的用法 a.shall 在疑問句中用于第一，第三人稱，表示征求對方的意見。 Shall we put off the spo

14、rts meeting until next month? Shall Tom go there with me tomorrow? b.shall 用于第二，第三人稱，表示說話人給對方 的命令，警告，允諾或威脅。 You shall fail if you dont work harder. （警告） He shall have the book when I finish reading it. (允諾) He shall be punished. (威脅),2) should 的用法 a. should 表示勸告、建議、命令。 You should go to class right a

15、way. b. should 表示期待，用于表達(dá)合理推斷(prediction，意為“應(yīng)該” )，或明顯的結(jié)果（意為“可能”）且所期待的事幾乎是事實(shí)。 It is three oclock, the football game should begin now. Mary took dancing lessons for years, so she should be an excellent dancer.,1. We __________ smoke here, because the worker is carrying some petrol. 2. It is dangerous.

16、You __________ leave the room immediately. 3. He ___________ go hiking with friends at weekends when young. 4. Write to me when you get home. ---I ___________. 5. --Need I hand in my exercise book at once? --Yes, you__________. 6. You have been working all day. You __________ be very tired. 7. It is

17、 a long time since we met last time. You __________ come and see us more often. 8. Why dont you try on this dress? It _________ look nice on you.,will, would, shall, should, must:,mustnt,should,would,will,must,must,should,will,表示禁止,不許可,表示建議,命令,表示過去習(xí)慣,表示意愿,表示必須,表示肯定猜測,表示建議,表示將會,一定會,must and cant,must

18、 用來表示“命令”、“推測”等含義。 1）表示規(guī)定、指令 表示規(guī)定、指令時主要指客觀上的法律、條文規(guī)定，常常翻譯為“應(yīng)該、必須”之類意思。mustnt表示禁止 You must have a passport if you want to go abroad. 2) 表示主觀的命令、禁止 表示主觀的命令、禁止時，主要指說話者主觀的命令或強(qiáng)烈的勸告。 You can go out with your friend but you must come back before 11 at night. ----Must I hand in the exercise today? ----No, yo

19、u neednt. 。,must and cant,3）表示猜測，語氣非?？隙ǎ醮_定的意味，一般用于肯定句，意為肯定。其否定為cant， 意為不可能... 。 You must be ill. I can see it from your face. He cant be at home. I saw him in the classroom just now.,must and have to,1.must用于一般問句中,肯定回答用must否定式用neednt或dont have to，做“不必”,mustnt表示“禁止，不允許” MustIfinishallassignmentsata

20、time? Yes, you must. No,youneednt. 2.表示“必須”這個意思時，must和haveto稍有區(qū)別。must著重說明主觀看法，haveto強(qiáng)調(diào)客觀需要。另外，haveto能用于更多時態(tài)。 I dont like this TV set. We must buy a new one. There was no more bus. They had to walk home.,,Not sure,Very sure,He might be in the classroom.,He may be in the classroom.,He could

21、be in the classroom.,,,,He should be in the classroom.,,He must be in the classroom.,情態(tài)動詞的猜測用法,1.---There were already five people in the car but they managed to take me as well. ---It ____a comfortable journey. ( ) A. cant be B. mustnt have been C. shouldnt be D. couldnt have been,D,2.The fire sp

22、read through the hotel very quickly but everyone ___ get out. ( ) A. had to B. would C. could D. was able to,D,EXERCISES,3. Peter ___ come with us tonight, but he isnt very sure. must B. can C. may D. will,C,4. --- Could I call you by your first name? --- Yes, you____.

23、A. will B. could C. may D. might,C,5. Sorry, I m late. I ___ have turned off the alarm clock and gone back to sleep again. might B. should C. can D. will,A,6.--Excuse me, but I want to use your computer to type a report. --You ____ have my computer if you dont take care of it. A. shant B. m

24、ight not C. neednt D. shouldnt,A,7. ---When can I come for the photos ? I need them tomorrow afternoon. ---They _____be ready by 12 : 00 . A. can B. should C. might D. need,B,8. With so much work on hand, you ____to see the game last night. A. mustnt go B. could have gone C. shouldnt go D. shouldnt have gone,D,9.Johnny, you ______play with the knife, you ____hurt yourself. ( ) A. wont ; cant B. mustnt ; may C. shouldnt ; must D. cant ; wouldnt,B,10. I missed the bus, so I ___ go home on foot. A. must B. may C. can D. had to,D,