英语情态动词复习教案2(外研社九年级下).doc

课 题Revision lesson教学目标了解情态动词教学重点及难点会应用情态动词教学过程教学流程教师活动学生活动Step1 Listening The students listen and do Activity 1Step2 Reading The students read Activity 3 and fill in the form in Activity 5.Step3. Answer the questionsThe students ask and answer in pairs and then show the answers to the class.情态动词 情态动词本身有词义，表示说话人对某种动作和状态的看法，但不能独立作谓语，和动词原形一起构成谓语，情态动词没有人称和数的变化。情态动词的基本形式现在式否定式的缩写过去式否定式的缩写cancantcouldcouldntmaymightmustmustntshallshantshouldshouldntwillwontwouldwouldntneedneednt几个常用情态动词的用法情态动词can(could)的用法表示智力、体力方面的能力 e.g. He can speak both English and French.在口语中，can常代替may，表示“许可”、“可以” e.g. Can I use your computer?can有时意为可能，表示说话人的“怀疑”、“猜测”或“不肯定”，常用于否定句或疑问句 e.g. Can the news be true?could可代表can表示现在时间的动作，但语气较为婉转 e.g. Could you please ring up again at six?【注】 be able to可以和can(could)表示同样意思 e.g. No one can do it.=No one is able to do it. 表示将来或其他时间的能力和做具体一件事的能力时要用be able to， e.g. Will you be able to come tonight?情态动词may(might)的用法表示允许或征求对方的许可，有“可以”的意思 e.g. You may go now.【注】回答带有may的疑问句时，否定式常用must not(mustnt)，表示“不可以”、“禁止”的意思 e.g. May I take this magazine out of the reading-room? No, you mustnt.表示说话人的猜测，认为某一件事“或许”、“可能”发生 e.g. You may be right.Might也可以代替may，表示现在时间的动作，但语气较为婉转客气或更加不肯定 e.g. It might rain this afternoon.情态动词must和have to的用法表示“必须”，“应当” e.g. We must be strict in our work.must的否定形式must notmustnt，表示“不可以”、“禁止”的意思，语气比较强烈。回答must的疑问句时，否定式常用need notneednt或dont have，表示“不必”、“用不着” e.g. Must we hand in our exercise today？ No，you neednt.表示说话人对事物的推测，比may语气肯定得多，意为“一定”、“准是” e.g. She must know how to solve the problem.have to表示“不得不”、“必须”的意思，它比must更含有“客观条件时的必须如此做”的意思，并有较多的时态 e.g. She has to do a lot of housework every day.情态动词should的用法表示劝告、建议，常译为“应当” e.g. You should listen to the doctors advice.表示预测，常译为“可能” e.g. They should be here by now.情态动词need的用法need作为情态动词，主要用于否定句和疑问句中，表示“需要”、“必须” e.g. You neednt come here so early tomorrow.need可用作实义动词，其否定形式要借助dont，doesnt或didnt；疑问形式要借助do，does或did e.g. Do you need any help?情态动词willwould的用法用于疑问句,一般用于第二人称,表示说话人向对方提出请求或询问 e.g. Will you have another cup of coffee?表示“意愿”、“决心”等，可用于各种人称 e.g. Ill do my best.用would时语气比will委婉 e.g. Would you please pass me the ruler?情态动词shall的用法在疑问句中，情态动词shall用于第一、三人称，表示说话人征求对方的意见或向对方请示 e.g. Shall we go out for a walk?短语动词的类型动词+介词（用作及物动词，后跟宾语），此类短语动词有wait for，look for，look after，look at，look into，agree to，agree with，hear from等 e.g. He looked after us very well.动词+副词（有的用作及物动词，有的用作不及物动词），此类短语有find out，give up，hand in，hurry up，knock down，leave behind，look out，look up，put on，slow down，think over，try on，try out，wake up，work out等 e.g. He called up the man.【注】当这类短语动词的宾语是名词时，它可以置于短语动词之后， 置于短语动词之中。但若宾语是代词担任时，则其只能置于短语动词之中。 e.g. Can I try them on, please?动词+副词+介词 此类短语有catch up with，come out of，do away with，get down to，get on with，keep up with，look forward to，put up with等 e.g. I cant put up with these noisy people.动词+名词+介词 此类短语有catch hold of，have pity on，make friends with，make fun of，make room for，pay a visit to，pay attention to，play a part in，take care of，take interest in，take part in，take hold of等 e.g. The elder sister takes care of the young children.动词+介词+名词 此类短语有come to life，bring to an end，go to bed，take by surprise，set on fire，get in touch等 e.g. The cigarette set the house on fire.be+形容词+介词 此类短语有be afraid of，be fond of，be angry with/at，be strict with，be good at，be worried about，be weak in，be interested in，be proud of，be tired of，be sick of，be surprised at等 e.g. She was afraid of snakesStep 1. Dictition Have the students read the words and phrases in Unit 1, the have a dictition.Step 2. Work in pairs . Do Activity One .归纳总结情态动词can(could)的用法表示智力、体力方面的能力 e.g. He can speak both English and French.在口语中，can常代替may，表示“许可”、“可以” e.g. Can I use your computer?can有时意为可能，表示说话人的“怀疑”、“猜测”或“不肯定”，常用于否定句或疑问句 e.g. Can the news be true?could可代表can表示现在时间的动作，但语气较为婉转 e.g. Could you please ring up again at six?布置作业板书设计情态动词must和have to的用法表示“必须”，“应当” e.g. We must be strict in our work.must的否定形式must notmustnt，表示“不可以”、“禁止”的意思，语气比较强烈。回答must的疑问句时，否定式常用need notneednt或dont have，表示“不必”、“用不着” 表示说话人对事物的推测，比may语气肯定得多，意为“一定”、“准是” have to表示“不得不”、“必须”的意思，它比must更含有“客观条件时的必须如此做”的意思，并有较多的时态 情态动