高中英语人教版 (2019)必修 第三册Unit 5 The Value of Money优质课件ppt

这是一份高中英语人教版 (2019)必修 第三册Unit 5 The Value of Money优质课件ppt，共17页。
May we ask what yu’re ding in this cuntry and what yur plans are?
I can’t say that I have any plans.
Yu mustn’t wrry abut that.
Culd yu ffer me wrk here?
Read the sentences belw and think abut:
What are the functins and meanings f these mdal verbs?
A. necessity B. pssibility C. bligatin D. request E. advice F. intentin
The functins f mdal verbs
Yu have t read between the lines because the real messages are ften hidden…It may seem lucky t yu.Astrnauts must wear spacesuits when they wrk in space because… May we ask what yu’re ding in this cuntry? Yu shuld/ught t/had better g t class right away.What wuld yu d if yu were in her situatin?
necessity 表必要性
pssibility 表可能和推测
bligatin 表义务性
request 表请求或指示
advice 表建议
intentin 表意图和愿望
情态动词情态动词有一定的意义，表示或暗示某种情绪或态度，表示可能、建议、愿望、必要、允许、能力等。 大多数情态动词有多个意义。2. 情态动词没有人称和数的变化，即不随主语的不同而变化。 3. 情态动词不能独立使用，须后接动词原形，一起构成谓语动词。4. 情态动词除ught和have外，后面接不带t的不定式。(dare)5.情态动词没有非谓语形式，即没有不定式、分词等形式。
Review f mdal verbs
1.只作情态动词的：2. 可情态可实义的： 3. 可情态可助动词的: 4. 相当于情态动词的:
can/culd, may/might, ught t, must
need, dare/dared
shall/shuld, will/wuld
have t, used t
能力，猜测，请求, 许可
Sme f us can use the cmputer nw, but we culdn’t ten years ag.Yu can have my seat. I am ging nw.Culd I have a drink f water, please?Can he still be alive after all this time?If yu’re nt careful, yu culd get int even wrse truble.
culd 表请求，比can更委婉。Culd表推测的可能性比can 小
can/ culd have dne can’t/ culdn’t have dne
At this pint Charles _______________ (have) a reasnably advantageus settlement. I _________________ (g) thrugh that bitter perid withut yur generus help.
culd have had
culdn’t been gne
When I try t speak, I cannt help making mistakes.Yu cannt be t careful when driving in the rain.Yu can’t be careful enugh.
cannt help + 动名词 忍不住做某事cannt t /enugh “无论怎么样...也不为过,越…越好”
May I have a lk at yur bk?Yu may use may dictinary s lng as yu return it befre 7:00.He may be waiting fr yu at the statin.They may have gt lst.
may/might have dne
当句中出现 “I am nt sure” 等表示不确定含义的时候,常选用may 和might .
I ___( may/can) g, but I am nt quite sure.
可能性：can > culd > may > might
1. 对may的一般疑问句的肯定回答可用may或can, 但作否定回答时要用mustn’t或can’t。
—May (Might) I have a little brandy?—N, yu mustn’t. Yu’d better nt.
2. May可以表示祝愿或希望，而might不行。
May they be very happy in the future time.May yu succeed in the fllwing year.
Ask, if yu will, wh the wner is.He wndered idly what wuld happen.Will/Wuld yu please have a cffee fr me?This kind f clthes wn’t wash easily.That’s just like her—she wuld lse her bag in the bus!
wuld比will客气委婉
I will tell yu smething imprtant tmrrw.Will yu marry me?
1. 在一、三人称的疑问句中, shall用来询问对方的意愿。 What shall we d this weekend?2. 用于二、三人称的陈述句中, 表说话人命令、警告、允诺等口吻。 He shall buy anther, if he gets me back again.3. shuld表示劝告、建议、命令，用于各种人称。 We shuld try t save water in such terrible weather.4. shuld表示说话人的惊讶、愤怒、失望等特殊情感，意为“居然，竟然”。 Amazing! Yu shuld wear slippers at wrk. He shuld have been mre careful in the exam. Yu shuldn’t have tld her the news. shuld have dne 表示本该做某事（而实际上未做） shuldn't have dne 表示本不该做某事（而实际上做了）
must: 肯定句表有把握的推测:“一定”。2)must: 推测现在或正发生的事情：must be dingeg: 他现在肯定呆在那里。He must be staying there.3) must 推测已经发生的事：must have dne I didn’t hear the phne. I _______________________.(我刚才没有听到电话，我想必是睡着了。)
must have been asleep
eg: She can’t have left schl, fr her bike is still here.
must用于一般疑问句中,肯定: must 否定:  needn’t/dn’t have t（不必），mustn’t表示“禁止，不允许”
— Must I finish all assignments at a time?—Yes, yu ______. N, yu ____________________ .
needn't / dn’t have t
Cmplete the fllwing sentences using mdal verbs.
Yu’ve been wrking day and night. Yu ______ be very tired.2. —I wnder wh that is at the gate. —It _____ be Lisa. She’s always in the library at this time.3. It is a lng time since we met last spring. Yu _______ ften cme t see us than ever befre.4. He hasn’t decided where he’s ging fr my hlidays. He _____ g t Australia.5. Father’s Day is cming. What kind f gift _____ I get t my father?6. Why dn’t yu try n this dress? It _____ lk nice n yu.7. — Wh was the man talking with yur teacher? — I’m nt sure. It ______ be her brther.8. I have n idea when the guests will be here. They __________ arrive at any time.
过去将来时( The Past Future Tense) 过去将来时表示在过去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 the next day、sn等。
过去将来时，表示从过去某一时间来看，将要发生的动作或存在的状态。
1. I asked him if Peter wuld arrive the next day.2. She tld me she was ging t pst the parcel. 3. We were abut t g there when it begin t rain.4. She didn't say when she was cming again next time.5. I felt nervus because I was sn t leave hme fr the first time.6. We were t have been married last year.
wuld/shuld+动词原形
was/were ging t+动词原形
*与wuld+动词原形相比，was/were ging t+动词原形有打算、计划的含义。
was/were abut t d
g, cme, leave, start, meet等动词的过去进行时，表示就过去的某一时刻而言即将发生的动作。
was/were t d; 表示曾经计划做某事，并且从现在看已经实现。
当表示“原计划做某事但是最终未发生”，用was/were t have dne.
Read the passage and fill in the blanks with suitable mdal verbs in the bx accrding t yur understanding f the passage.
may, must, can, ught t, might, had better, wuld, shuld
In the film The Millin Pund Bank Nte, Henry Adams is stuck in a freign cuntry withut mney and friend and with nwhere t stay. While this situatin __________ seem unusual, it can smetimes happen t travelers. In case it happens t yu n a trip abrad, what _______ yu d? First, and mst imprtantly, yu ______ stay calm. Fear ___________ cause yu t becme cnfused. Yu need t think clearly. Secnd, yu shuld g t yur nearest cnsulate. They _____ be able t help t sme extent. Third, yu _________ d well t check with sme lcal charities. They _____ ffer help t travelers in need. Furth, yu ________ avid getting int truble. Yu _____ think that stealing sme mney r fd wuld help yu, but yu shuld nt d s. Getting caught _____ ruin yur life.
may / might
may / might
3. Cmplete the fllwing sentences that describe the future using either frm f the given verbs.
1. Philip bught tw tickets fr The Phantm f the Opera. He __________ ___________________ (watch) with his girlfriend n the weekend.2. I was s surprised at the news that David ___________________________ (play) the rle f the dinsaur in the play that I gave him a hug ut f jy.3. Lily decided that she ____________________________ (settle) in New Yrk and pursue her dream f becming an actress.4. Hey, Timmy. I ________________ (call) yu. But nw that yu are here, I dn’t have t.5. The cmpetitin was s clse that n ne was sure wh ___________ (win) the Best Actr award.6. Jim is nt here right nw. He said he ________________________ (be) n duty at the library this afternn.
wuld watch / was ging t watch
wuld play /
was ging t watch
wuld settle / was ging t settle
was ging t call
was ging t be