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 表可能和推測
bligatin 表義務(wù)性
request 表請求或指示
advice 表建議
intentin 表意圖和愿望
情態(tài)動詞情態(tài)動詞有一定的意義，表示或暗示某種情緒或態(tài)度，表示可能、建議、愿望、必要、允許、能力等。 大多數(shù)情態(tài)動詞有多個意義。2. 情態(tài)動詞沒有人稱和數(shù)的變化，即不隨主語的不同而變化。 3. 情態(tài)動詞不能獨(dú)立使用，須后接動詞原形，一起構(gòu)成謂語動詞。4. 情態(tài)動詞除ught和have外，后面接不帶t的不定式。(dare)5.情態(tài)動詞沒有非謂語形式，即沒有不定式、分詞等形式。
Review f mdal verbs
1.只作情態(tài)動詞的：2. 可情態(tài)可實(shí)義的： 3. 可情態(tài)可助動詞的: 4. 相當(dāng)于情態(tài)動詞的:
can/culd, may/might, ught t, must
need, dare/dared
shall/shuld, will/wuld
have t, used t
能力，猜測，請求, 許可
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 表請求，比can更委婉。Culd表推測的可能性比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 + 動名詞 忍不住做某事cannt t /enugh “無論怎么樣...也不為過,越…越好”
may 和 might
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
當(dāng)句中出現(xiàn) “I am nt sure” 等表示不確定含義的時候,常選用may 和might .
I ___( may/can) g, but I am nt quite sure.
可能性：can >?culd >?may >?might
1. 對may的一般疑問句的肯定回答可用may或can, 但作否定回答時要用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.
will 和 wuld
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客氣委婉
I will tell yu smething imprtant tmrrw.Will yu marry me?
1. 在一、三人稱的疑問句中, shall用來詢問對方的意愿。 What shall we d this weekend?2. 用于二、三人稱的陳述句中, 表說話人命令、警告、允諾等口吻。 He shall buy anther, if he gets me back again.3. shuld表示勸告、建議、命令，用于各種人稱。 We shuld try t save water in such terrible weather.4. shuld表示說話人的驚訝、憤怒、失望等特殊情感，意為“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 表示本該做某事（而實(shí)際上未做） shuldn't have dne 表示本不該做某事（而實(shí)際上做了）
shall 和 shuld
must: 肯定句表有把握的推測:“一定”。2)must: 推測現(xiàn)在或正發(fā)生的事情：must be dingeg: 他現(xiàn)在肯定呆在那里。He must be staying there.3) must 推測已經(jīng)發(fā)生的事：must have dne I didn’t hear the phne. I _______________________.(我剛才沒有聽到電話，我想必是睡著了。)
must have been asleep
eg: She can’t have left schl, fr her bike is still here.
must用于一般疑問句中,肯定: must 否定: ?needn’t/dn’t have t（不必），mustn’t表示“禁止，不允許”
— 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.
過去將來時( The Past Future Tense) 過去將來時表示在過去某一時間將要發(fā)生的動作或存在的狀態(tài)。過去將來時常用在主句謂語動詞為過去時態(tài)的賓語從句中。過去將來時句子中有時包含時間狀語 the next day、sn等。
過去將來時，表示從過去某一時間來看，將要發(fā)生的動作或存在的狀態(tài)。
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+動詞原形
was/were ging t+動詞原形
*與wuld+動詞原形相比，was/were ging t+動詞原形有打算、計劃的含義。
was/were abut t d
g, cme, leave, start, meet等動詞的過去進(jìn)行時，表示就過去的某一時刻而言即將發(fā)生的動作。
was/were t d; 表示曾經(jīng)計劃做某事，并且從現(xiàn)在看已經(jīng)實(shí)現(xiàn)。
當(dāng)表示“原計劃做某事但是最終未發(fā)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

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Unit 5 The Value of Money

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