1、初二期末复习Modal Verbs一、引入环节Mozart talented （听力练习）Mozart was a very talented child. By the age of six, he could already play the keyboard and the violin. He could read a piece of music just once and then play it immediately. He could invent pieces in the style of famous composers. When he was six years o
2、ld he wrote five short piano pieces that people still play today. He wrote music for the violin at the age of seven. He wrote a long piece of music at the age of eight, and a comic opera at the age of twelve. When he was fourteen he went for a performance in Rome. Nobody knows he did it, but that ni
3、ght he wrote down the whole piece from memory.What makes people think that Mozart was a talented child?Mozart could do what others cannot. （分类二、知识讲解情态动词的特点1.情态动词无人称和数的变化。 2.情态动词后面跟的动词需用原形。 3.否定式构成是在情态动词后面加“not”。 4.个别情态动词有现在式和过去式两种形式，过去式可以用来表达更加客气、委婉的语气。 5.时态性不强，可用于过去，现在或将来。 例句：He could be here soon.
4、 他很快就来。 We cant carry the heavy box. 我们搬不动那个重箱子。 Im sorry I cant help you. 对不起，我帮不上你。 情态动词的位置情态动词在句中放在谓语动词之前，谓语动词前若有助动词， 则在助动词之前，疑问句中， 情态动词放在主语之前。例句： I can see you. Come here. 我能看见你，过来吧。 He must have been away. 他一定走了。 What can I do for you? 你要什么？ How dare you treat us like that! 你怎么敢那样对待我们! 情态动词的用法1
5、. can (could) 表示说话人能, 可以, 同意, 准许, 以及客观条件许可, could 为 can 的过去式。例句：Can you pass me the books? 你能给我递一下书吗 ? Could you help me, please? 请问, 你能帮助我吗? What can you do? 你能干点什么呢? Can you be sure? 你有把握吗? 2. may (might) “可以”，表示说话人同意，许可或请求对方许可。 例句： You may take the book home. 你可以把书带回家去。 May I come in? 我可以进来吗? May
6、 I use your dictionary? 我可以用你的词典吗? You may put on more clothes. 你可以多穿点衣服。 He said he might lend us some money. 他说他可以借给我们一些钱。 may 否定式为 may not, 缩写形式是 maynt。might 是may 的过去式，有两种用法，一种表示过去式，一种并非真正的过去,是用来使语气更加委婉、 客气或对可能性的怀疑。例句： He told me he might be here on time. 他说他能按时间来。 Might I borrow some money? 我可以借
7、点钱吗? He might be alive. 他可能还活着。 3. must “必须；应该；一定；准是”，表示说话人认为有必要做某事，命令、要求别人做某事以及对事物的推测。must 用来指一般现在时和一般将来时， 过去式可用 have to 的过去式代替。 例句：I must finish my work today. 我今天必须完成我的工作。 Must I return the book tomorrow? 我必须明天还书吗? After such a long walk, you must be tired. 走了这么长的路, 你一定累了。 He had to go because so
8、mebody was calling him that day. 那天他要走，因为有人叫他。must 和 have to 的区别: must 表示说话人的主观思想。 have to“不得不,必须”，表示客观需要、客观条件只能如此。 例句： You must do it now. 你必须现在就干。(说话人认为必须现在干) I have to go now. 我得走了。(客观条件必须现在走) 4. need “需要”。用作情态动词时多用在否定式或疑问句中。 例句：Need I attend the meeting tomorrow? 我需要明天参加会议吗? You need not hand in
9、 the paper this week. 这一周你不必交论文。 need 除了用作情态动作外，还可当作实义动词使用。这时 need 就像其他动词一样，有第三人称，单复数， 后面可加名词，可加动词不定式（to do）等。 例句： I need to go to bed now. 我现在需要睡觉了。 Does he need a dictionary? 他需要词典吗? She needs a necklace. 她需要一条项链。 5. will (would) 表决心、愿望。would为will的过去式。例句： Ill do my best to catch up with them. 我要尽全
10、力赶上他们。He said he would never do it again, that was the last time. 他说他再不会做那件事情了,那是最后一次。will, would用于疑问句表示说话人向对方提出请求或询问,用 would 比 will 更婉转,客气。例句： Its hot. Will you open the windows? 天气太热了,你能打开窗户吗? Would you please help me to work it out? 你能帮我解这道题吗? 6. shall, should 表示命令, 允诺, 征求, 劝告, 建议等。 例句： You shoul
11、d hand in the exercise book. 你应该交作业本了。 This should be no problem. 这应该没问题。 Shall we go now? 我们现在可以走了吗? 三、常见考点 1. 表示能力、许可的情态动词的用法。表示能力: can, could, be able to be able to 能用于各种时态。 can / could 只能表示现在或过去的能力。 1. A computer _ think for itself; it must be told what to do.A. cant B. couldnt C. may not D. mig
12、ht not2. They will _ run this machine on their own in three months.A. can B. could C. may D. be able to表示许可: may / might, can / could might, could 比较委婉, 一般多用于疑问句. can, may 表达的语言比较随便.在以could, might 表示征询对方意见 或表示请求时，回答应相应使用can, may.1. Could I borrow your dictionary? Yes, of course you _.A. might B. wil
13、l C. can D. should2. Might I watch TV after supper? Yes, you _.A. may B. must C. might D. can表示推测情态动词的重要用法.1. You must be Mr. Smith-I was told to expect you here.2. Theres someone outside-who can it be?3. What can they be doing?4. She cant be right, I suppose.5. These pills may help to cure your dis
14、ease. 小测试:填空练习：1. Tom _ have gone to Shanghai, but Im still not sure about it.2. The ground is very dry, so it _ have rained last night.3. I dont know where she is, she _ be in Wuhan.4. At this moment, our teacher _our exam papers. (mark)5. The road is wet. It _last night. (rain)选择练习：1.The fire spre
15、ad through the hotel very quickly, but everyone_get out. A. were able to B. would C. was able to D. could2. You_return the book now. You can keep it until next week if you like,A. cant B. mustnt C. neednt D. may not 3. When he was there, he_ go to that coffee shop at the corner after work every day.
16、A. would B. should C. had better D. might4. -Could I use your bike? - Yes, of course. you_.A. might B. will C. can D. should5. -Will you stay for lunch?-Sorry, _. My brother is coming to see me.A. I oughtnt to B. I cant C. I neednt D. I shouldnt 四、歌曲欣赏I can sing a rainbowRed and yellow and Pink and Green Purple and orange and blue I can sing a rainbow Sing a rainbow Sing a rainbow too Listen with your eyes Listen with your ears And sing everything you see I can sing a rainbow Sing a rainbow Sing along with me
