Unit 1 Grammar.ppt

1、Unit1 Festivals around the world,Grammar,情态动词（一） . 根据课文内容填空。 1. Most ancient festivals celebrate the end of cold weather, planting in spring and harvest in autumn. 2. At that time people starve if food was difficult to find, especially during the cold winter months. 3. Some festivals are held to hon

2、our the dead or to satisfy the ancestors, who return either to help or to do harm. 4. For the Japanese festival Obon, people go to clean graves and light incense in memory of their ancestors. 5. They also light lamps and play music because they think that this lead the ancestors back to earth. 6. Ha

3、rvest and Thanksgiving festivals be very happy events. 7. At the Spring Festival in China, people eat dumplings, fish and meat and give children lucky money in red paper. 8. She be with her friends right now laughing at him. 9. What he do? He had thrown away her Valentine gifts! She never forgive hi

4、m. This not be a happy Valentines Day!,would,would,might,should,will,can,could,would,would,would,may,. 语法讲解 情态动词表示说话人的语气或对事物的态度，认为“可能”、“应当”、“必要”等。情态动词本身有词义，但不能单独作谓语动词，必须和原形动词一起构成谓语，并且没有人称和数的形式变化。 一、can / could 1. can 表示许可，能力及可能性。在非正式场合can可以代替may表示“许可”。如： You can live in my apartment when I am abroad

5、. 我去国外了，你可以住在我公寓里。 Can you speak French? 你会说法语吗？ The car is not hers. Whose can it be? 这车不是她的。会是谁的呢？ 2. could 是can的过去式，除表示许可、能力及可能性外，还可以用来较委婉地提出问题或陈述看法。如： Most of us can use the computer now, but we couldnt use ten years ago. 现在我们大部分能使用电脑，但十年前我们不能。 Could I use your bike for a while? 我可以用一会儿你的自行车吗？,【

6、反馈】 1. Mr. Bush is on time for everything. How_it be that he was late for the opening ceremony? A. can B. should C. may D. must 2. Ive taken someone elses green sweater by mistake. It _Harrys. He always wears green. A.has to be B.will be C.mustnt be D.could be,A,D,二、may / might 1. may 表示许可、允许，常译作“可以

7、”；也可表示可能性，常译作“可能”、“或许”。如： You may eat here or take the food home. 你可以在这儿吃也可以把食物带回家。 He may be working on his research in the lab now. 他现在可能正在实验室做他的研究。 2. might 是may 的过去式，在表示“可能”时，二者可以互换，但might表示的可能性较小，语气也更委婉。如： You may fail the exam. （可能性较大） You might fail the exam. （可能性较小） 3. may的否定式可以用may not表示，但表

8、示“不可以；禁止”的意思时常用must not / mustnt。如： May I watch TV after supper? Yes, you may. / No, you mustnt. 常用句型：may / might as well do sth. 还是做某事好。如： Its very cold outside. You may as well stay at home. You might as well cut your hair short.,【反馈】 1. I take the book out? Im afraid not. （2010高考英语四川卷） A. Will B.

9、 May C. Must D. Need 2. 1. Sorry, Im late. I have turned off the alarm clock and gone back to sleep again . A. might B. should C. can D. will,A,B,三、will / would 1. will 表“意愿”、“坚持”、“习惯”等，如： I will go shopping after school. He will have his own way. 他坚持自己的路子。 The old man will sit there hour after hour

10、 enjoying the sunset. 2. would 除作will的过去式表“意愿”、“坚持”、“过去习惯”外，还可表示说话人的意愿或向对方提出请求，语气比will委婉。如： Would you please make some room for me? They would like to go for a walk instead of watching TV. 3. would 和 used to都表“过去常常”，used to 表示过去经常做，但现在已经不这样做了；而would 表示过去常做某事，现在也可能做。 People used to believe that the e

11、arth was flat. 过去，人们总以为地球是扁平的。（现在已不再这样认为了） Hewouldgototheparkassoonashewasfree. 过去，他一有空就去公园。（现在有可能还会再去） Tom used to be a quiet boy. (；used to可以接表示状态的词) Tom would be a quiet boy. (；would不可以接表示状态的词),【反馈】 1. John promised his doctor he not smoke and he has never smoked ever since. A. might B. should C.

12、 could D. would 2. When he was there, he go to that coffee shop at the corner after work every day. A. would B. should C. had better D. might,D,A,四、shall / should 1. shall 表示征求对方意见或请求指示（此时，只用于第一、三人称）；shall还可用于表示意图、意志、允诺、命令等必然结果（此时shall只能用于第二、三人称，要重读且不能缩写），但shall所表示的意志是说话人的意志，而非句子中主语的意志。如： Shall we s

13、et off for school now? (请求) Shall I close the door? (征询意见) Every student shall carry his ID card at school. (规定) You shall return home at 8 oclock. (命令) 2. should 表示劝告、建议等，译为“应该”。如： We should respect our parents. You should do some housework at home. 3. should 用于虚拟语气的从句中，如： He suggested that we shou

14、ld go there by bus.,【反馈】 1. 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 2. You cant imagine that a well-behaved gentleman _be so rude to a lady . A. might B. need C. should D. would 3. I was really anxious about you. You h

15、ome without a word. A. mustnt leave B. shouldnt have left C. couldnt have left D. neednt leave,B,B,C,五、must / cant 表推测时，陈述句中用must，表示“一定，想必”；否定句中cant，表示“不可能”。如： Rockets lost the game? You must be joking. I saw Jack just now. He cant have gone to New York. 【反馈】 Im afraid Mr. Harding see you now. Hes b

16、usy. A. cant B. mustnt C. shouldnt D. neednt,A,【语法专练】 . 从括号内所给的情态动词中，选出合适的词填空。 1. I carry the CD for you? (Shall, Will) 2. He play the piano when he was very young. (can, could) 3. you please turn down the radio a little? I want to go to bed now. (Need, Will) 4. You treat him like that. He is just a

17、 little child. (shouldnt, mustnt) 5. You phone her if you want to, but you since she will probably phone you. (may, must; neednt, mustnt) 6. When I was a little girl, I go to school in my mums car. (would, should) 7. She know the location of YueXiu Park, because shes new here. (mustnt, cant) 8. You

18、use her things without her permission. (shouldnt, may not) 9. If you want to play basketball, you finish your homework first. (must, can) 10. Tom said that he go to the UK next year. (may, might),Shall,could,Will,shouldnt,may,neednt,would,cant,shouldnt,must,might,. 单项选择。 1. Whats the name? （2006北京）

19、Khulaifi. I spell that for you? Shall B. Would C. Can D. Might 2. Must he come to sign this paper himself? Yes, he . (2006广东) A. need B. must C. may D. will 3. Theres no light onthey be at home. (2006 全国I) A. cant B. mustnt C. neednt D. shouldnt 4. Some aspects of a pilots job be boring, and pilots

20、often _work at inconvenient hours. （2006湖南） can; have to B. may; can C. have to; may D. ought to; must,A,B,A,A,5. Children under 12 years of age in that country be under adult supervision when in a public library. (2004上海) A. must B. may C. can D. need 6. May I smoke here? If you , choose a seat in

21、the smoking section. （2006山东） A. should B. could C. may D. must 7. “The interest be divided into five parts, according to the agreement made by both sides,” declared the judge. (2004重庆) A. may B. should C. must D. shall 8. You cant imagine that a well-behaved gentleman be so rude to a lady. (2001上海)

22、 A. might B. need C. should D. would 9. Excuse me, but I want to use your computer to type a report. You have my computer if you dont take care of it. （2004湖南） A. shant B. might not C. neednt D. shouldnt,A,D,D,C,A,10. Sorry, Im lateI have turned off the alarm clock and gone back to sleep again. A. might B. should C.can D.will 11. I thought you like something to read，so I ha