1、Unit 5 THE VALUE OF MONEYSection GrammarThe modal verbs and the past future tenseLesson 1Learning Aims#1#2#3#4Learn and master the key words and phrases.Train the students ability to use modal verbs.Enable the students know about the meaning and functions of modal verbs.Encourage students to learn m
2、ore about the past future tense.1.intention 2.nowhere 3.in case 4.extent 5.toextent 6.opera 7.musical8.dinosaur 9.hug 10.pursue13.hesitate 11.duty 12.on dutyLead-in01情态动词情 态 动 词定义基本特征功能用法VideoModal Verbs ConversationCanCouldMayMightMustWillWouldShallShouldOught to一.情态动词的定义：情态动词表示说话人对某一动作或状态的态度说话人对某一
3、动作或状态的态度。Eg.1Oliver believes that with a million pound bank note a man could live a month in London.2Young man，would you step inside a moment，please?3May we ask what youre doing in this country and what your plans are?4I cant say that I have any plans.5Anyway，I didnt dare to try again.6You mustnt wo
4、rry about that.7If youll excuse me，I ought to be on my way.possibilityabilityadviceobligationimpossibilitypermissionformalinformal四四.情态动词的主要表意功能用法例句用法例句表示能力The little boy can read and write.I could feel the ground shaking.表示发出指示或提出请求Will you please take her to the library?Could you offer me work her
5、e?May we ask what youre doing in this country？表示可能和推测Oh，you must be Sylvias husband.That might not be true.There ought to be enough space for all of us.表示提出帮助或发出邀请Will you stay for lunch?May I help you?Shall I put it in a box？表示提出建议You could ask the teacher for help.You should write him a letter.The
6、 cookies Susan made are delicious，you ought to try some.表示许可或禁止You cant open it until two oclock.You may not smoke here.You mustnt do that.表示愿望Would you recommend the play to other people?I would like to know the date.Id love to go to your birthday party.表示义务和需要You must come at once.We have to wear
7、uniforms at school.I ought to be on my way.1.It may seem lucky to you but not to me!2.Youd better not open it.3.You cant open it until two oclock.4.Would you step inside a moment,please?5.Could you offer me work here?6.They shouldnt be making a bet on him.A.necessityB.possibilityC.obligationD.reques
8、tE.adviceF.intention二二.情态情态动词的基本特征动词的基本特征 1.在在形式形式上，情态动词没有实义动词的各种变化，只有上，情态动词没有实义动词的各种变化，只有could，would，had to，might等几个过去式，其他情态动词如等几个过去式，其他情态动词如must、ought to等的等的过去式皆与现在式同形过去式皆与现在式同形。2.在在意义意义上，大多数情态动词有多个意义，如上，大多数情态动词有多个意义，如can可以表达可以表达“能力；可能；许能力；可能；许可可”等。等。3.在在用法用法上，情态动词与助动词一样，需上，情态动词与助动词一样，需后接动词原形后接动词原
9、形，构成谓语动词。，构成谓语动词。三三情态动词的否定式及缩略形式情态动词否定式缩略形式情态动词否定式缩略形式cancan notcantshallshall notshantcouldcould notcouldntshouldshould notshouldntmaymay not/willwill notwontmight might notmightntwouldwould notwouldntmustmust notmustntneedneed notneedntdaredare notdarentought toought not tooughtnt to巩固训练巩固训练一.用适当的
10、情态动词填空1Cant you stay a little longer?Its getting late.I really go now.My daughter is at home alone.2You park here！Its an emergency exit(紧急出口).3Doctors say that exercise is important for health，but it be regular exercise.4Why are your eyes so red？You have slept well last night.Yeah，I stayed up late w
11、riting a report.5George have gone too far.His coffee is still warm.6You be Carol.You havent changed a bit after all these years.mustmustntmustcantcantmust4.情态动词难点透视情态动词难点透视 (1)can表示可能性时，指的是理论上的可能，它通常不用来表示某事实际发生的可能性或真实性。Eg.Accidents can happen.Anybody can make mistakes.如果我们要表达某事发生的实际可能性，要用may，could或m
12、ight等。Eg.We may spend our summer holidays in Hangzhou this year.could用来征求意见时，语气要比can委婉，但在回答问题时我们不能用could，因为语气委婉，可能性就变小了。Eg.Could I use your telephone?Yes，please go ahead.在过去时态的肯定句中需要某种条件或努力做成某事，我们要用was/were able to而不能用could。Eg.It was a holiday and the children were able to go to the seaside.The girl
13、 worked hard so she was able to pass the final test.4.情态动词难点透视情态动词难点透视(2)must与have to都可以表示“必须”的意思，但要注意以下两点区别。must只有现在时，而have to有现在时、过去时和将来时。Eg.We must work hard，or well fail in the examination.Years ago，the poor girl had to leave school for lack of money.must表示主观看法，have to则侧重于客观需要。Eg.We must be stri
14、ct with ourselves in everything.In cities with many cars，some people have to wear masks.(3)must表示推测时，其反意疑问句有好几种形式。“must动词原形”对目前的情况进行推测时以及用mustbev-ing形式对目前正在发生的情况进行推测时，疑问短语部分要与must之后的动词相一致。Eg.The mathematics teacher must be in the office now，isnt he?“musthave过去分词”用来表示对已经发生的事情进行推论。如果句子中有过去的时间状语，疑问部分用助
15、动词didnt；否则，疑问部分用havent或hasnt。Eg.The children must have watered the tomatoes yesterday，didnt they?The minister must have arrived in Shanghai，hasnt he?4.情态动词难点透视情态动词难点透视(4)当情态动词will表示意愿或决心时，是可以用于条件状语从句。Eg.If you will listen to me，Ill give you some advice on how to learn English.(5)should除表示必要或义务外，还可表示
16、推测或可能。如：Eg.The American friends should be here now.“should/ought tohave过去分词”既可表示本该做而事实上没有做的事，也可以表示惊讶、责备、赞叹等情绪。Eg.You should have told her about it the day before yesterday(前天).Its wonderful that you should have achieved so much in these years.“情态动词have过去分词”是很重要的一种句型，除should外，may，might，must，couldnt，n
17、eednt，ought to等都可以用于这一句型，但要注意使用不同的情态动词句子的意思就有所不同。(6)ought to与should意思接近，大多数情况下二者可以互换，但是should谈的是自己的主观看法，ought to则更多反映客观情况，在谈到法律、义务和规定时使用。如：Eg.We should/ought to help each other and learn from each other in our work.She is your mother，so you ought to support her.4.情态动词难点透情态动词难点透视视(7)dare与need的用法 dare
18、作为情态动词，主要用于疑问句、否定句和条件从句中，一般不用于肯定句。Eg.aHow dare you say Im unfair?bIf he dare break the rule，he will be punished.need表示“需要”或“必须”，作情态动词用时，仅用于否定句或疑问句、条件从句中。意为“有必要”。在肯定句中一般用must，have to，ought to或should代替。Eg.aYou neednt come so early.bNeed I finish the work today?Yes，you must./No，you neednt.cIf you need
19、go there，please let me know.dare和need常用作实义动词，有时态、人称和数的变化。所不同的是，在肯定句中，dare后面通常接带to的不定式；在否定和疑问句中，dare后可接带to或不带to的不定式。Eg.aI dare to swim across the river.bHe doesnt dare(to)answer.巩固训练巩固训练二二.短文短文填空填空In the film The Million Pound Bank Note,Henry Adams is stuck in a foreign country without money and frie
20、nds,and with nowhere to stay.While this situation _ seem unusual,it can sometimes happen to travelers.In case it happens to you on a trip abroad,what _ you do?First,and most importantly,you _ stay calm.Fear _ cause you to become confused.You need to think clearly.Second,you should go to your nearest
21、 consulate.They _ _ be able to help to some extent.Third,you _ do well to check with some local charities.They _ offer help to travelers in need.Fourth,you avoid getting into trouble.You _ think that stealing some money or food would help you,but you should not do so.Getting caught _ ruin your life.
22、maymustcanought tomighthad betterwouldshouldmightshouldmustwouldought towouldcanhad bettermightmay01情态动词Unit 5 THE VALUE OF MONEYSection GrammarThe modal verbs and the past future tenseLesson 3Learning Aims#1#2Enable the students know about the past future tense.Encourage students to learn more abou
23、t the past future tense.02The past future tense一.过去将来时的定义：过去过去将来时表示在将来时表示在过去过去某一时间将要发生的动作或存在的状态。过去将来时某一时间将要发生的动作或存在的状态。过去将来时常用在常用在主句谓语动词为过去时态的宾语从句主句谓语动词为过去时态的宾语从句中。过去将来时句子中有时包含时间状语中。过去将来时句子中有时包含时间状语the next day，soon等。等。Eg.1I was about to get the letter.2They said the letter inside would explain what
24、 it was all about.3The director said he would meet the famous actor the next day.4They were going to find someone to take part in their bet when they saw Henry walking on the street outside.The past future tense二过去将来时的基本构成和用法过去将来时由“would动词原形”构成，主要表示从过去某一时间来看将要发生的动作(尤其用于宾语从句中)，还可以表示过去的动作习惯或倾向。Eg.1.Je
25、ff knew he would be tired the next day.2.He promised that he would not open the letter until 2 oclock.3.She said that she wouldnt do that again.The past future tense三表示过去将来时的其他表达法(1)was/were going to动词原形：该结构有两个主要用法，一是表示过去的打算，二是表示在过去看来有迹象表明将要发生某事。Eg.I thought it was going to rain.(2)was/were to动词原形：主
26、要表示过去按计划或安排要做的事情。Eg.She said she was to get married next month.(3)was/were about to动词原形：表示在过去看来即将要发生的动作，由于本身已含有“即将”的意味，所以不再与表示具体的将来时间状语连用。Eg.I was about to go to bed when the phone rang（铃）.(4)was/were现在分词：表示在过去看来即将发生的动作，通常可用于该结构中的动词是come，go，leave，arrive，begin，start，stop，close，open，die，join，borrow，bu
27、y等瞬间动词。Eg.Jack said he was leaving tomorrow.The past future tense四.Exercises 1莉莉说晚上将有一场音乐会。Lily said there that evening.2她确信她会成功。She was sure she 3我想知道我们什么时候出发。I wanted to know when we 4他说运动会就要开始了。He said the sport meet 5他说他今晚要走。He said he tonight.would be a concert would succeedwere going to set of
28、fwas about to beginwas leaving 四.Exercises .单句语法填空 1When he was young，he sit in front of the TV set for hours every day.2I was sure that they not do that again.3Whenever she had time，she come to see us.4He said that he (leave)at six the next day.5No body knew why he (go)to the big city.6He hoped his
29、 wife (come)soon.7He was about (leave)when someone knocked at the door of his office.8He said he (learn)French next week.9I noticed that it (rain)when I looked at the sky.10He said he be ninety years old in two years.wouldwouldwouldwas leaving was going was comingto leave was going to learnwas going
30、 to rainwouldThe past future tenseSummary定义基本构成和用法其他表达练习巩固H o m e w o r k1.课本87页第四题 2.课文语法填空 The two gentlemen had been having a heated argument for a couple of days，and had decided to make a bet which 1.settle their argument.They (find)someone to take part in their bet when they saw Henry walking o
31、n the street outside.They invited him into their house,3.Henry told them he had landed in Britain 4.accident.Although he had gone to the American consulate 5.seek help，he had not received any.Henry hoped that the brothers 6.offer him some jobs because he had no money.Henry got upset with the brother
32、s 7.they seemed too happy about his bad luck.They quickly told him not to feel that way and they gave him an envelope with money in it.They said the letter inside 8.explain what it was all about，but he had to postpone 9.(open)it until 2 oclock.Henry felt that was odd.The story ended with Henry leavi
33、ng their house and promising that he 10.(not)open the letter until 2 oclock.四.Exercises .短文语法填空 The two gentlemen had been having a heated argument for a couple of days，and had decided to make a bet which 1.settle their argument.They (find)someone to take part in their bet when they saw Henry walkin
34、g on the street outside.They invited him into their house,3.Henry told them he had landed in Britain 4.accident.Although he had gone to the American consulate 5.seek help，he had not received any.Henry hoped that the brothers 6.offer him some jobs because he had no money.Henry got upset with the brot
35、hers 7.they seemed too happy about his bad luck.They quickly told him not to feel that way and they gave him an envelope with money in it.They said the letter inside 8.explain what it was all about，but he had to postpone 9.(open)it until 2 oclock.Henry felt that was odd.The story ended with Henry leaving their house and promising that he 10.(not)open the letter until 2 oclock.would 2.were going to findwherebytowouldwhenwouldopeningwould not The past future tense
