《译林英语必修四Unit2Grammarandusage课件》由会员分享，可在线阅读，更多相关《译林英语必修四Unit2Grammarandusage课件（17页珍藏版）》请在金锄头文库上搜索。
1、Module 4 Unit 2 Grammar and usageModule VerbsTask1:感知情态动词感知情态动词【学生活动】朗读下列句子，并划出句中的情态动词。1. The greatest runner can run the 100 m sprint in 11 seconds. （表能力）会/能2. He could swim all the way across the lake, but I can t now. 过去具备的能力3. Your mother may/might not know the truth. 4. The athletes should/ough
2、t to compete for the gold medals for their countries. 5. Shall we recommend a book to you? 表征求对方的意见_可能应该6. -Must I wash the dishes at once? - No, you needn t/ don t have to. / Yes, you must.7.I have to work when I was your age. 8.I promise that I will never do that again. 。9.I said I would do anythi
3、ng for you. 10.He daren t speak English before such a crowd, dare he? _【教师点拨】情态动词是表示说话人的语气和态度，没有人称与数的变化，并且不能单独作谓语，必须与其后的动词原形构成谓语。必须不必要不得不表意志、愿望和决心表意愿敢情态动词词义否定式否定意义can/could能cant/couldnt不能may/might 可能may/might not可能不must/have to 必须mustn t/ dont have to不准，禁止没必要should应该should not不应该ought to应该ought not
4、to （oughtn t to）不应该shall将要，好吗shant将不will/would将；会will/would not将不need需要need not没必要dare敢dare not不敢1. All of us will very healthy if we keep working out every morning.2. I think we can in control of the machine. 3. In order to keep healthy, we should running every morning.4. In my opinion, you should
5、went back to your school earlier yesterday.5.We can chose between staying at home and taking a trip.6. As far as I am concerned, you could go to the Great Wall instead.7.She said she will tell me what to do next. 8. He suggested that we can choose this travel routine. will be veryrungocan_can bein_c
6、hoose_would_should 9. I sincerely hope you can give me a chance. I believe I will be a good chairman.10. In my opinion, people shouldnt dance on the square after 9 p.m. 学习任务一:分析和体会情态动词在句中的意义和用法【学生活动一】朗读并体会下列句子中 can/ could, may/might, will/ would的意义和用法。1) Although she is a little girl, she can dance
7、very well.2) The doctor could save the boy yesterday but he didn t.3) It can be as hot as 38 in my home town in summer.4) -Can/May I use your pen? -Yes, you can./ No, you can t. 5) -Could/Might I recommend a new product to you? - Yes, of course you can. 6)You can t park your car in the street.7)Pete
8、r may come with us tonight, but he isn t very sure yet. 8)May you succeed!9)I will never do that again.10)Would/will you pass me the ball, please?11)Every day he will sit there hour after hour doing nothing.12)When he was young, he would take a walk along the river every morning.【教师点拨】1.1）can/could
9、表示能力：能，会 can表现在的能力could表示_ 能力2）can有时候会2.can/could/may/might 表示_ ：能够，可以 _/_语气更委婉3.may/might 表推测：译为_ 4.may/might 表愿望、祝福：译为_ 5.will/would表示1).意志，愿望和决心 2). _ 。3). 习惯性动作。过去的请求，许可could might可能但愿；祝表请求、建议等。would更委婉【配套练习】【配套练习】 用合适的情态动词翻译句子。用合适的情态动词翻译句子。当我住在乡村的时候，我经常在那片林子里散步。I would often go walking in that
10、wood when I lived in the countryside.我的弟弟打乒乓球打得很好。My brother can play table tennis very well.我认为王刚可能会在英语演讲比赛中或一等奖。我认为王刚可能会在英语演讲比赛中或一等奖。In my opinion, WangGang may win the first prize in the English speaking competition.【学生活动二】 朗读并体会下列句子中shall/should的意义和用法。1. Shallwe begin our class?2. When shall Mik
11、e be able to leave hospital?3. You shallnot leave your post( 岗位). 4. Don t worry. You shallhave the tickets for the games. 5. Whoever goes against nature shallbe punished.6. Nothing shallstop us from serving the people heart and soul.7. I am glad that your story shouldhave won the first prize .【学生归纳
12、】从句 1,2我们可以知道shall 用于第一，三人称的疑问句中表示_从句3，4,5,6可以知道 shall用于第二、三人称陈述句中表示_ 。从句7可以知道should可以表示_ 【配套练习】英译汉1. - Mike is often absent from class. - Tell him he shall answer for it if he goes on behaving like that.2.I promise that she shall get a nice present on her birthday.3. -What does the sign over there
13、read?-No person shall smoke or carry a lighted cigarette, cigar or pipe in this area. 4. It is strange that he should do such a thing.征求对方的意见说话人的命令、警告、强制、允诺、威胁或决心等（表惊讶、遗憾）竟然；居然学习任务二：体会情态动词在句中表推测的用法。【学生活动一】朗读体会下列句子并识记情态动词表推测的结构。1. You must behungry now.2. The boys may beplayingfootball on the playgro
14、und.3. He plays basketball very well. He musthave practised it a lot.4. She can t bea teacher, because she works in a shoe factory. 【学生归纳】对现在/将来情况的推测句式结构：对现在进行的推测句式结构：对过去的推测句式结构：。情态动词+do情态动词+ be doing情态动词+have done 【教师点拨】【教师点拨】must表推测时，只能用于肯定句，表对现在或过去的事情进行推测，语气非常肯定，译为“一定”。can/could表推测时，一般用于否定句或疑问句，表
15、对现在或过去的事情进行表推测时，一般用于否定句或疑问句，表对现在或过去的事情进行推测，译为“不可能”。may/might表推测时，一般用于肯定句或否定句，可对现在过去或将来的事情进行推测，语气不很肯定，译为进行推测，语气不很肯定，译为“可能可能”【配套练习】用括号里的词的恰当形式填空。1. Peter may_(come) with us tonight, but he isn t very sure yet. 2. He must _(listen) to the radio now. 3. It must_ (rain) last night, for the ground was wet
16、 this morning. 4. Mary in Paris, for I saw her in the town only a few minutes ago. comebe listeninghave rainedcan t be学习任务三：掌握情态动词+ 完成时表示的虚拟含义1) could have done ( 过去本来能做某事，但实际上没有做到。)2) should/ought to have done ( 本应该做而没有做, 含有责备或遗憾的语气)3) shouldn t/ ought not to have done （本不应该做而做了, 含有责备或遗憾的语气）4) need
17、n t have done ( 本没有必要做而做了)【配套练习】英译汉1.Why did you just sit and watch ？You could have helped me.2. “You could have asked your teacher for help. He is kind-hearted. ”“Yes. A whole day was wasted.”3. I told Sally how to get there, but perhaps I should have written it out for her.4. 填空“I thought you wouldn t mind.” “Well, as a matter of fact I don t, but you _ (ask)me first.”should have asked 5. -Barbara, I have cleaned the room for you.- Thanks. You needn t_(do) it. I could manage it myself. needn t have doneshould have askedhave done
