高中英语人教版备课资料包：必修3 UNIT 2课件 LEARNING ABOUT LANGUAGE1 .ppt

1、1.Something that you say is not true2.Not to be punished for something3.Uncooked4.The strong wish to know about something5.Someone who buys things or services from a shop,company,etc6.A particular quality that gives someone or something an advantagelie lie get away it get away it rawrawcuriositycuri

2、ositycustomercustomerbenefit benefit Answer key for exercise 1 on page 12Discovering useful words and expressionsJulie wanted to become thinner.She knew she _ eat more vegetables and fruit but little meat.However,as she was so afraid of being laughed at by her friends,she did not consult a doctor bu

3、t lived on a _ of rice,_ vegetables,bananas and lemons.Three weeks later,she found she weighed as much as ever.balanced diet raw slim ought to energetic lose weight lose heart lose interest lose faceought to ought to dietdietrawrawAnswer key for exercise 2 on page 12She felt so sad and hopeless abou

4、t herself and her behaviour changed.She didnt dare to face her boyfriend and she was unwilling to visit her friends any more.Luckily,her best friend Fred came to see her and encouraged her to exercise,eat a _ diet and enjoy life again.Soon Julie became amazingly _ and _!She felt very happy.balanced

5、balanced energeticenergeticslimslimbecome thinner-lose weight Being laughed at by her friends-losing face felt so sad and hopeless about yourself-lost heartWas unwilling to visit any more-lost interest in visiting1 pear;cream 1 pear;cream (fat and all the others are fruit)(fat and all the others are

6、 fruit)2 2 sugar;sugar;mutton mutton(meat and all the others are energy giving food)(meat and all the others are energy giving food)3 bacon;cabbage 3 bacon;cabbage(vegetable and all the others are meat)(vegetable and all the others are meat)4 strawberry;eggplant 4 strawberry;eggplant (vegetable and

7、all the others are fruit)(vegetable and all the others are fruit)Answer key for exercise 3 on page 12Modal Verb II Unit 2I think she _ apologiseto the public.You _ go andsee the doctor.我认为她应该向公众道歉。你应当去找医生看看病。ought toought toFill in the blanks according to the Chinese.Titanic _ be a good movie.We kno

8、w if we keep at it we _ succeed.泰坦尼克号应该是部好电影。我们知道如果我们坚持下去就应该会成功。shouldshouldWe _ put on warm clothes in winter.冬天的时候，我们不得不穿上温暖的衣服。你必须把面粉和黄油和在一起。You _ mix the flour and the butter.have tohave toIn England traffic _ keep to the left.在英国，车辆必须靠左行驶。All passengers _wear seat belts.所有乘客都必须系安全带。mustmust上面的空

9、你都填对了吗？如此多的情态动词，我们应当如何使用呢？接下来就进行详细的讲解。should 和ought to 都为“应该”的意思，可用于各种人称。ought to 的语气稍重一些。You ought to(should)follow yourteachers advice.ought toshould表示主语的义务或责任：You should take care of your sister.你应当去照顾你妹妹。或指出一个正确、明智的动作：They shouldnt allow parking here；the street is too narrow这儿不该允许停车；马路太窄了。should

10、 和ought to 后面跟动词不定式的完成式,其肯定句表示”过去应该做而未做”,其否定句则表示”过去不该做但做了”。You should/ought to have made the decision a week ago.I shouldnt have made such a foolish mistake.注意must的用法1.表示主观的义务和必要,主要用于肯定句和疑问句,意思为“必须，得，要”；由must 引起的疑问句，肯定回答要用must或have to,否定回答要用neednt或dont have to,意思是“不必”；must的否定形式mustnt表示must/have to禁止

11、，意思是“不能,不许”。如：Must I finish the task right now?我现在必须完成这个工作吗？Yes,you must./Yes,you have to.是的。(No,you neednt./No,you dont have to.不,不必。)have to 的用法1.must表示一种主观的需要，而have to表示一种客观的需要，意思是 “不得不”。如：I have to attend an important meeting this afternoon.今天下午我不得不参加一个重要的会议。Mother is out,so I have to look after

12、 the shop.妈妈不在家，因此我不得不照看商店。2.have to 的否定形式是dont have to,相当于neednt。如：They dont have to buy a computer at present.他们目前没有必要买电脑。情态动词(+动词原形)行为动词.needdare1.无人称和数的变化;2.尤其用于：*否定句及疑问句中;*在if/whether之后;*或与hardly,never,no one,nobody连用;3.常以neednt 和darent的形式出现;4.dare有其过去时dared.多用于肯定句;(sb.)need to do dare to do ne

13、ed to be done need doing need/dare注意对need问句的回答:-Need I finish the work today?-Yes,_.No,_.No,_.you mustyou needntyou dont have toneednt 对其它情态动词的回答:-Shall I tell John about it?-No,you _.-Must we do it now?-No,you _.neednt(dont have to)neednt(dont have to)dare可用实意动词和情态动词，用作情态动词时，意思是“敢”，其后接动词原形，通常只用于否定句

14、或疑问句以及if或whether之后，一般不用于肯定句。如：Dare you tell her the truth？你敢告诉她事实真相吗？I dont know whether he dare try.我不知他是否敢试一试。I darent ask her for a rise.我不敢要求她加薪。dare用作实意动词时意为“敢于”，可以有各种词形变化，可用于各类句型（肯定句、否定句、疑问句及各类从句等），其后多接带 to 的不定式，有时 to 也可省去（尤其是在否定句或疑问句），可用于非谓语形式，完成时态等。如：We must dare to think,speak and act.我们必须敢

15、想、敢说、敢做。I wonder how he dares(to)say such things.我纳闷他怎么竟敢说出这样的话来。情态动词dare可以有过去式dared，但也可以直接用dare表示过去式，或后接动词完成式。如：That was why he dared do so.那就是他为什么敢这样做的原因。Mother dare(d)not tell father shed given away his old jacket.母亲不敢告诉父亲她把他的旧上衣送人了。dare的过去式问题dare后通常不接动词的进行式。Nobody need to be afraid of catching t

16、he disease.Nobody need be afraid of catching the disease.These dishes need be cleaned carefully.These dishes need to be cleaned carefully.These dishes need cleaning carefully.判断正误:How dare you say such a thing?How dare you to say such a thing?He darent to speak English before sucha crowd,did he?He d

17、arent speak English before such acrowd,dare he?表示推测情态动词的重要用法情态动词对将来对现在对过去肯定的推测可能的推测+V.常见must be+V./+bedoing+have done+V.mustmay/might+V./+be doing+have+done可以用not表示“可能不”情态动词对将来 对现在对过去否定的推测疑问的推测cant/couldntcan/could+V./+be doing+V.+have done+V.+V./+be doing+have done在不表示推测的情态动词中,我们要注意以下方面的问题:1.表示能力、许

18、可的情态动词的用法。2.表示否定的情态动词的用法。3.shall 和 will 的多种意义的区别。4.情态动词短语的使用。5.虚拟语气中情态动词的使用。表示能力:can,could,be able tobe able to 能用于各种时态。can/could 只能表示现在或过去的能力。was/were able to 设法做成某事相当于 managed to do sth.succeeded in doing sth.1.表示能力、许可的情态动词的用法。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

19、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。2.表示否定的情态动词的用法:mustnt 不准;禁止neednt 没必要(=dont have to)cant 不能;不可能may not 不可以;可能不shouldnt 不应该(=ought not to)部分情态动词的否定式是情态动词中的考点之一。不同的“肯定”程度可按下列层次排列：He is at home.(事实)He must be at home.（非常肯定的推断）He could be at home.（很可能）He ought to be at home.（很可能）He may be at h

20、ome.（仅仅可能而已）He might be at home.（或许,非常不确定）He couldnt be at home.（很可能不在家）He cant be at home.（一定不在家）He isnt at home.（事实）3.情态动词shall,will 的多种意义:shall/will+动词原形:shall 可表示必须、命令、警告或征询意见。will 可表示意愿、常出现的动作、在疑问句中表示请求和建议。均可表示将来。过去时为 should,would。4.情态动词短语的使用:would like to do would rather dowould rather+从句 woul

21、d prefer to do.had better do.5.用于虚拟语气的情态动词:should might could would neednt ought to1.我不得不接受你的建议。2.未经允许，你不能来这儿。3.你应当去照顾你妹妹。4.他们想必已到那儿了。You mustnt come here without permission.You should take care of your sister.They ought to be there by now.I have to accept your suggestion.Answer key for exercise 1 o

22、n page 13Then usually by lunchtime they would all be sold.Then usually by lunchtime they would all be sold.(possibilitypossibility)What could have happened?(What could have happened?(possibility possibility)Nothing could be better”(Nothing could be better”(possibilitypossibility)something terrible m

23、ust have happened if something terrible must have happened if.(.(Guessing Guessing)He could not believe his He could not believe his eyes.eyes.(AbilityAbilityss)Discovering useful structures Perhaps he should go to the library and find out.Perhaps he should go to the library and find out.(DutyDuty)H

24、e could not have Yong He could not have Yong HuiHui getting away with getting away with telling people lies!(telling people lies!(IntentionIntention)He had better do some research!(He had better do some research!(DutyDuty)Even though her customers might get thin after Even though her customers might

25、 get thin after eating Yong eating Yong HuisHuis food.(food.(possibility)possibility)They would become tired very quickly(They would become tired very quickly(IntentionIntention)he could win his customers back(he could win his customers back(Ability Ability)SAM:How can I grow thinner,Mum?MUM:Well,yo

26、u _ eat food with plenty of fibrethat helps you digest better.And you _ stop drinking cola or eating sweet food.SAM:Does it mean I _ eat my favourite fried chicken any more?MUM:Not exactly,if you love fried chicken,you _ give it up.Just eat it less often.You _ worry too much:a little fried chicken _

27、 do you good!have to have to shouldshouldshouldnt shouldnt neednt neednt willwilldont have to/neednt /shouldnt dont have to/neednt /shouldnt DOCTOR:You are sick because youve eaten poisonous mushrooms.Where did you get them?LUCY:I picked them in the forest.I know we _ eat fresh vegetables.DOCTOR:Oh,but you _ eat them until youre sure they are not poisonous.LUCY:Thank you,doctor.Ill be more careful next time.have to have to mustnt mustnt CHARLES:I wish I could see things clearly in the dark.TOM:Eating carrots _ help you see better.You _ eat some every day.ought to ought to should should