1、必修三 Unit 5 The Value of Money(3)Discovering useful structuresmodal verbs and the past future tenseLearning objectives At this class,you will be able to 1.review the meanings and functions of some modal verbs;2.summarize the meanings of the two forms of past future tense;3.express modality and talk a
2、bout future events in the past.Discovering useful structuresmodal verbsRead the following sentences and translate them into Chinese.How do modal verbs change the meanings of the sentences?A.The exam may be difficult.a.The exam is difficult.B.You should be studying harder.b.You are studying harder.C.
3、I can study all night during the semester.c.I study all night during the semester.factspossibility(A&C),advice(B)A.necessityB.possibilityC.obligation(义务；责任)D.requestE.adviceF.intentionModal verbs have many functions,including the following(A-F).Read the following sentences and identify the functions
4、 of the modal verbs.1.We can discuss it now.()2.You must do it at once.()3.Would you please pass me the salt?()BCDA.necessityB.possibilityC.obligation(义务；责任)D.requestE.adviceF.intentionRead the following sentences and identify the functions of the modal verbs.4.You neednt have stayed.()5.You ought t
5、o help him.()6.I would rather do it myself.()AEFA.necessityB.possibilityC.obligation(义务；责任)D.requestE.adviceF.intentionFind more modal verbs in the text on page 52 and identify their functions.1.Oliver believes that with a million-pound bank note a man could live a month in London.2.Young man,would
6、you step inside a moment,please?3.Good morning,sir.Would you please come in?4.May we ask what youre doing in this country and what your plans are?possibilityrequestFind more modal verbs in the text on page 52 and identify their functions.5.Well,I cant say that I have any plans.6.Well,you mustnt worr
7、y about that.7.Could you offer me work here?8.If you dont mind,may I ask you how much money you have?possibilitynegative advicerequestFind more modal verbs in the text on page 52 and identify their functions.9.Well,it may seem lucky to you,but not to me.10.You mustnt think we dont care about you.11.
8、Oh,no,youd better not open it.12.You cant open it until two oclock.possibilitynegative adviceWork out the meanings of the modal verbs from the context.(P86 Ex.1)1.had better and ought toIts hard to tell what will happen to someone with a million-pound bank note.Wed better make a bet.We ought to find
9、 the perfect person for our bet.adviceWork out the meanings of the modal verbs from the context.(P86 Ex.1)2.must and cantGet him his change?You must be joking.That cant be true.Its 1,000,000!If you lose the bet,you must pay 20,000,and you cant eat your words!possibilityobligationnegative adviceWork
10、out the meanings of the modal verbs from the context.(P86 Ex.1)3.may and mightMay I tell you a story?What do you think may happen to a millionaire in rags?Henry played a passive role in the bet.What might have happened if he had known from the beginning what it was all about?requestpossibilitypossib
11、ility(less likely to happen)Work out the meanings of the modal verbs from the context.(P86 Ex.1)4.can and could When the clerk saw the million-pound note,he couldnt believe his eyes.“Could you please come this way,sir?”he said.Some people never play any game for fun.If they cant make something or lo
12、se somethingthey dont care whichthey wont play.possibilityrequestpossibilitySummary 1.Modal verbs used to express necessity:neednt,(have to)e.g.You neednt have stayed.You have to read between the lines because the real messages are often hidden.Summary 2.Modal verbs used to express obligation:must e
13、.g.If you lose the bet,you must pay 20,000.Summary 3.Modal verbs used to express possibility:must,can,could,may,might e.g.You must be joking.We can discuss it now.A man could live a month in London.It may seem lucky to you,but not to me.What might have happened?Summary 4.Modal verbs used to express
14、request:may,would,could,(can)e.g.May we ask what youre doing in this country?Could you offer me work here?Would you please pass me the salt?Can you wait a moment,please?Summary 5.Modal verbs used to express advice:should,had better,ought to e.g.You should be studying harder.Wed better make a bet.We
15、ought to find the perfect person for our bet.Summary 6.Modal verbs used to express negative advice:mustnt,cant,had better not,e.g.You mustnt worry about that.You cant open it until two oclock.Youd better not open it.Summary 7.Modal verbs used to express intention:would rather e.g.I would rather do i
16、t myself.may must can ought to might had better would shouldRead the passage and fill in the blanks with suitable modal verbs in the box.(P54 Ex.2)In the film The Million Pound Bank Note,Henry Adams is stuck in a foreign country without money and friends,and with nowhere to stay.While this situation
17、 seem unusual,it can sometimes happen to travellers.In case it happens to you on a trip abroad,what you do?possibilityadvicemayshouldRead the passage and fill in the blanks with suitable modal verbs in the box.(P54 Ex.2)First,and most importantly,you stay calm.Fear cause you to become confused.You n
18、eed to think clearly.Second,you should go to your nearest consulate.They be able to help to some extent.mustcanought toadvicepossibilityRead the passage and fill in the blanks with suitable modal verbs in the box.(P54 Ex.2)Third,you do well to check with some local charities.They offer help to trave
19、llers 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.wouldmighthad bettermightwouldpossibilityadviceRead the passage and fill in the blanks with suitable modal verbs in the box.(P54 Ex.2)R
20、ead and think1.How many tips does the author give?What are they?2.What is the authors reason for each tip?Read and think1.How many tips does the author give?What are they?The author gives four tips.The first tip is that you must stay calm.The second tip is that you should go to your nearest consulat
21、e.The third tip is that you would do well to check with some local charities.The last tip is that you had better avoid getting into trouble.Read and think2.What is the authors reason for each tip?The first reason is that fear can cause you to become confused and you need to think clearly.The second
22、reason is that the consulate ought to be able to help to some extent.The third reason is that the charities might offer help to travellers in need.The last reason is that getting caught would ruin your life.John is learning English proverbs.Fill in the blanks with suitable modal verbs to explain the
23、se proverbs to him.(P87 Ex.2)1.One good turn deserves(值得)another.If someone does something nice for you,you do something nice in return.ought to/should adviceJohn is learning English proverbs.Fill in the blanks with suitable modal verbs to explain these proverbs to him.(P87 Ex.2)2.Hope for the best,
24、but prepare for the worst.Bad things might happen,so you be prepared.should/ought to/had betteradviceJohn is learning English proverbs.Fill in the blanks with suitable modal verbs to explain these proverbs to him.(P87 Ex.2)3.Theres no such thing as a free lunch.Things that are offered for free have
25、a hidden cost.might/maypossibilityJohn is learning English proverbs.Fill in the blanks with suitable modal verbs to explain these proverbs to him.(P87 Ex.2)4.God helps those who help themselves.You (not)just wait for good things to happen to you.Work hard to achieve your goals.mustnt/shouldnt/ought
26、not tonegative adviceJohn is learning English proverbs.Fill in the blanks with suitable modal verbs to explain these proverbs to him.(P87 Ex.2)5.Beggars cant be choosers.If you are asking for something from others,you take whatever they give you.have tonecessity could must can ought to had better wo
27、uldFill in the blanks with suitable modal verbs in the box.Add not if necessary.Some words can be used more than once.(P87 Ex.3)Karen:Oh no!I find the earrings that Im supposed to wear in the first scene of the play!Sandy:You mean the silver earrings?They be there beneath your play script.I saw them
28、 just now.cantought to/couldpossibilityFill in the blanks with suitable modal verbs in the box.Add not if necessary.Some words can be used more than once.(P87 Ex.3)Karen:No,theyre not.Someone have taken them!Sandy:Dont worry.I can help you look for them if you like me to.Karen:Oh,that would be great
29、!you start searching from the other side of the room?Ill start from this side.mustwouldCould/CanpossibilityintentionrequestFill in the blanks with suitable modal verbs in the box.Add not if necessary.Some words can be used more than once.(P87 Ex.3)Sandy:Sure,no problem!But what will happen if we fin
30、d the earrings?Karen:Then I think of a solution quickly!Those earrings are an important part of my costume.canthad betterpossibilityadviceFill in the blanks with suitable modal verbs in the box.Add not if necessary.Some words can be used more than once.(P87 Ex.3)Sandy:Hmm Actually you have another o
31、ption.You go to the store to buy another pair of earrings that looks similar to the missing pair.Theyre not expensive,right?Karen:Thats a good idea!Thanks,Sandy！could/canadviceFill in the blanks with suitable modal verbs in the box.Add not if necessary.Some words can be used more than once.(P87 Ex.3
32、)Make up a conversation to discuss the scene from The Million Pound Bank Note on page 52 and share your understanding of the story.Use modal verbs when necessary.(P54 Ex.4)ExampleA:I think its kind of Roderick and Oliver to give Henry the money.B:Im afraid I disagree.They shouldnt be making a bet on
33、 him.A:But Henry might get into trouble if they didnt offer him the money.B:Well,if they really wanted to help Henry,they could offer him a job.A:Maybe youre right.But I guess that would be a different story.Sample ConversationA:Do you think the two brothers are being kind to Henry?B:No,I think they
34、 ought to tell Henry about the bet.A:I agree.It would be the kind thing to do.Henry could end up in jail because of this.Sample ConversationB:Yes.Henry had better return the one-million-pound note to them.It might be dangerous for him to keep it.A:But if he doesnt keep it,what should he do?B:I dont
35、know.Maybe he should try to get a job?Discovering useful structuresthe past future tenseCompare simple future tensepast future tense She is going to call me this afternoon.She was going to call me this afternoon.a future plan someone made in the pasta future planCompare simple future tensepast futur
36、e tense The weather forecast says it will rain,so Im taking my umbrella.The weather forecast said it would rain,so I took my umbrella.a past prediction of an event which had yet to occura prediction of a future eventThe past future tenseThe past future tense is used to talk about situations in the p
37、ast where people were referring to something that will or might happen in the future.The past future tenseBoth“would do”and“was/were going to do”can be used to talk about future events or intentions in the past.What are the differences in the meanings they express?Read the following sentences and id
38、entify the meanings of“was/were going to do”.1.The children were going to play football when it began to rain.2.We thought it was going to rain but it was a beautiful day.说话人根据当时的迹象推断即将发生的事 过去计划、安排要做的事Read the following sentences and identify the meanings of“was/were going to do”.3.I was going to te
39、ll him,but he didnt give me a chance.4.He said he was going to see the match but it was cancelled.过去的打算或计划，但因外界干扰而中断，常有but出现1.He said he would be there at 8 oclock and so he will.2.They told me that they probably would not grow corn the next year.过去的意愿过去承诺要做的事Read the following sentences and identif
40、y the meanings of“would do”.3.She burnt the letters so that her sister would never read them.4.When my parents went on business trips,my grandparents would look after me.过去将要发生的事过去某个时期常见的情况或习惯性的动作Read the following sentences and identify the meanings of“would do”.Compare was/were going to dowould do
41、 过去计划、安排要做的事 说话人根据当时的迹象推断即将发生的事 过去的打算或计划，但因外界干扰而中断，常有but出现 多用于非正式场合或口语中 过去的意愿或承诺要做的事 过去将要发生的事 过去某个时期常见的情况或习惯性的动作 除用于口语外，多用于正式场合或书面语中1.Philip bought two tickets for The Phantom of the Opera.He (watch)this musical with his girlfriend on the weekend.Complete the following sentences that describe the fu
42、ture using either form of the given verbs.would watch/was going to watch 过去的意愿/计划要做的事2.I was so surprised at the news that David (play)the role of the dinosaur in the play that I gave him a hug out of joy.Complete the following sentences that describe the future using either form of the given verbs.
43、would play/wasgoing to play过去的意愿/计划要做的事3.Lily decided that she (settle)in New York and pursue her dream of becoming an actress.4.Hey,Timmy.I (call)you.But now that you are here,I dont have to.Complete the following sentences that describe the future using either form of the given verbs.would settle/
44、was going to settle was going to call 过去的意愿/计划要做的事过去的打算或计划，但因外界干扰而中断5.The competition was so close that no one was sure who (win)the Best Actor award.6.Jim is not here right now.He said he (be)on duty at the library this afternoon.Complete the following sentences that describe the future using eithe
45、r form of the given verbs.would win would be/was going to be 过去将要发生的事过去的意愿/计划要做的事1.The clerk in the consulate told Henry that they (not,give,a loan).2.Henry entered the gentlemens house,wondering if they (offer,a job).Complete the sentences with would,was/were going to,and the words in brackets.woul
46、d not/werent going to give him a loan would/were going to offer him a job 过去的意愿/计划要做的事3.The gentlemen said that Henry (know,everything)in an hour and a half.4.Henry (explain why,not pay,the bill)right away when the waiter became impatient.Complete the sentences with would,was/were going to,and the w
47、ords in brackets.would know everything was going to explain why he could not pay the bill 过去将要发生的事过去的打算或计划，但因外界干扰而中断5.The owner of the tailors shop never thought he (hold,such a large note).6.After one month,Henry went to see the gentlemen with Portia.He (give back,note).Complete the sentences with would,was/were going to,and the words in brackets.would hold such a large note was going to give the note back/give back the note过去将要发生的事过去计划、安排要做的事Homework Find more modal verbs and past future tense in this unit.Identify their meanings and functions.
