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Unit 5 It must belong to Carla,Section B -Self check,Teaching aims,1.运用情态动词must ,could/might , cant表示推测 2.学会根据相关信息进行合理地推论 3. 培养学生的逻辑推理能力,New words,alien 2. suit 3. express 4. not onlybut also 5. circle 6. Britain 7. receive 8. leader 9. midsummer 10. medical 11. purpose 12. prevent 13. energy 14. position 15. burial 16. honor 17. victory 18. enemy 19. period,1a Look at your book. ( Part one ),. Answers: a. The UFO is landing. b. The alien is chasing the man. c. The man is running,1b. Listen and number,Answer: Man : Thats right. It must be interesting. Why not go and see how they are making a movie ? Woman: Good idea!,1c. Listen again. Complete the sentences.,Answers: 1. He might be running for exercise. He could be running to catch a bus to work. 2. It could be a helicopter. It must be a UFO. 3. It must be an alien. I must be dreaming. 4. She could be from the TV news. They must be making a movie.,1d Role-play a conversation between the man and the woman.,A: Why do you think the man is running? B: He could be running for exercising. A: No, hes wearing a suit. He might be running to catch a bus to work.,2b Fast reading,Read the article below and underline the linking words and phrases. Do you think you have made correct matches in 2a?,so as because since but however though not onlybut also or when while,Read the article again and complete the chart in 2c on page 63 .,2d Complete the sentences using the words from the chart in 2a on page 62.,Midsummer day is in June _ a lot of people go to Stonehenge during this month. The sun shines straight into the center of Stonehenge _ the stones were put in a special position. Some people think the rocks can _ stop people from becoming ill _ keep them healthy.,so,because,not only,but also,2d Complete the sentences using the words from the chart in 2a on page 62.,4. We dont know who built Stonehenge _ how it was built. 5. Historians think Stonehenge was built about 5,000 years ago; _, they are not sure.,or,however,Learn to make inference,能用来表示推测的情态动词 must, may, might, could, cant 确信程度大小： must may might/ could cant 肯定和否定的推测： must（肯定） cant， couldnt (否定）,It might be ,Who?,What does he do?,Cant he be an actor ?,What do you think the monkey is doing?,Where do you think the man is?,表示推测的情态动词小结,1.Can用在否定句或疑问句中时表示说话人的“推测”和“不确定” eg: It may be the headmaster. No, it cant be him. He has gone to shanghai. Could 也有怀疑和不确定的意思（在否定句中和疑问句中） eg：1. At the time, we thought the story could be true. 2. He couldnt be a bad man,2.May 表示说话人的猜测，认为某一事情“或许”或“可能”发生。 There may be a terrible storm in the following few days. Might 表示推测时，不表示时态。只表示可能性更小。 He might be at home. 3. must用在肯定句中表示较有把握的推测，意为“一定”。 He must be working at home.,EXERCISES: 1.This book _ Liu Yings.Look,her name is on the book cover. a. must be b. may be c. maybe d. mustnt be 2. -Who is the man over there? Is it Mr. Li? -No, it _ be him. Mr. Li is in his hometown now. a. mustnt b. may not c. cant d. neednt 3. -Listen, someone is coming, who _ it be? -It _ be Tom. He said he was to come at the time. a. might;can b. can; must c. can;may d. could;can 4. -Mike is absent today. Where is he? -he _ be ill at home. a. can b. might c. must d. should,a,c,b,b,b,Homework,Finish the Self Check.,Good-bye!,
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