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1、Welcome!,Maria. Suzhou, China 2012.4.11,Theme-based Grammer Learning,(Modal Verbs),Maria. Suzhou, China,Learning goals: At the end of this lesson, you will be able to * master the general meanings and functions of modal verbs: can(could), may(might),must, ought to; * write a composition entitled “Sa
2、ve Taihu Lake“ through theme-based grammer learning; * arouse awareness of water protection.,；,1.Ability (能力):,Liu Xiang _ run the 110m hurdle race within 13 seconds.,can,Im so tired! I have to do the training for at least 10 hours a day!,2.Obligation (义务):,yet he _ work hard to win the gold medal.,
3、Although Liu Xiang is so gifted in hurdle race,must,Attention:,advisability,necessity,ought to/should,have to,must,Your mother brings you up and takes good care of you, so when she is old, you _ look after her in return.,A.can B.may C.have to D.must,Shi Dongpeng _ win a medal at the Olympic Games.,A
4、lthough the chance of winning a medal is small, Ill try my best!,3.Certainty (可能性),might,Attention:,very uncertain,almost certain,might,must/cant,may,could,ought to/should,1.He _ be at home.,2.He _ be at home, for he just called me from his home 15 seconds ago.,A.may B.might C.must,A.may B.might C.m
5、ust,(can),4.Permission (允许):,_ I eat KFC if I win the gold medal?,May,5.Making requests (提出要求):,_ you help me with my training?,I dont know how to use this equipment!,will can could would,informal,formal,Can,6.Making suggestions (提出建议),_ we do the training in the morning?,Its too hot to take exercis
6、e in the afternoon.,Shall,7.Making offers (提供帮助):,Dont worry, dear, I _ wash them right away.,Mom, my dirty clothes have been piled up! I dont have time,will,8.Giving advice (提出意见):,You _ eat so much before running.,How delicious!,should not / ought not to,We use modal verbs to talk about:,1. Abilit
7、y （能力） 2. Obligation （义务） 3. Certainty （可能性） 4. Permission （允许） 5. Make requests（提出请求） 6. Make suggestions（提出建议） 7. Make offers（提供帮助） 8. Give advice（提出意见）,JackI have good news for you! RoseWhat? JackThe educational department has carried out rules to reduce students too much study load. RoseReally?
8、If so, I dont _ stay up late to do so much homework and my mom _ allow me to play computer games. JackThe best thing I think is that I _have more spare time to take exercise after class. RoseSure. By the way, who is your favorite sports star? JackLiu Xiang, I _say. RoseTell me something about him. J
9、ackNo problem.,have to,can,may,should,can, may, must, should, have to,1. What is followed after modal verbs? A. to do B. do C.doing D. done 2. The negative form ? 3. Classification 1). modal verbs: can(could), may(might),must, ought to 2). modal verbs & notional verbs(实义动词): need, dare 3). modal ver
10、bs & auxiliary verbs(助动词): shall(should), will(would) 4). have(had) to, used to,Modal verbs:summary,modal verb + not,Use modal verbs to talk about Water Crisis,drought,Polluted Water,Peoples wish,Meanings behind the pictures,It is a group of pictures about _ (水资源危机). From the pictures we can see wat
11、er shortage is serious and people are suffering from p_ and d_. clip,water crisis,rought,ollution,What have caused the water crisis?,What should have caused the water crisis? There mustnt be one single anwser. Some say rapid economic growth and rising demand for water resources may create a water sh
12、ortage in the past ten years. Others firmly believe that industrial and agricultural water pollution could be the most dangerous factor as it poses a serious threat to water quality.,_,_,_,_,could,cant,may have created,must,Causes of the Water Crisis What could have caused the water crisis? There ca
13、nt be one single answer. Some say rapid economic growth and rising demand for water resources may have created a water shortage in the past ten years. Others firmly believe that industrial and agricultural water pollution must be the most dangerous factor as it poses a serious threat to water qualit
14、y.,_,_,_,_,_,Making references(表示推测),eg. What could have caused the water crisis? eg. Economic growth and rising demand for water resources may have created a water shortage in the past ten years. 1). Make references about things happend modal verb + _ A.do B. be doing C. have done ,Making reference
15、s,eg. There cant be one single answer. eg. Industrial and agricultural water pollution must be the most dangerous factor as it poses a serious threat to water quality. 2). Make references about the present and future situations: modal verb + _ A.do B. be doing C. have done,eg. Since you are so curious about the usage of modal verbs, you must be listening very careful now. 3). Make references about what is happening now: modal verb + _ A.do B. be doing C. have done,
