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

这是一份高中英语人教版 (2019)必修 第三册Unit 5 The Value of Money精品ppt课件，共25页。PPT课件主要包含了need dare，可能性，过去的猜测，must，敢 敢于，dare not，实义动词，人称和数，带to的不定式等内容，欢迎下载使用。

Mdal verbs情态动词
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
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。
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
shall/shuld, will/wuld
have t, used t
(1) 表能力，“能，会”She can speak English.She culd play the pian at the age f three.be able t能用于各种时态；can/culd只能表示现在或过去的能力。was/were able t“设法做成某事”相当于managed t d sth// succeeded in ding sthAll the peple trapped in the burning huse were able t get ut f it.
(2) 表请求和许可，“可以”，culd比can更加委婉，表示礼貌Can I smke here? —Culd I use yur cmputer?—Yes, yu can.(3) can表客观可能性，“有时候会”，用于肯定句A wise man can smetimes make a mistake.(4) can表推测，用于疑问句、否定句。肯定句用mustCan the news be true? He can’t be at hme because I saw him here just nw.
1. The man can/culd speak tw freign languages.2. Yesterday I was able t get hme befre the heavy rain.
can/culd表示_________________，而be able t通常表示通过努力达成的_____________; can/culd 主要是一般现在、一般过去时, 而be able t有较为丰富的时态变化。
can/culd与be able t的区别
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.May yu succeed in the cming year.
may 和 might
shallshall用于第一、三人称疑问句中，表示说话人征求对方的意见和向对方请示，“…好吗？要不要…？”Shall I pen the windw fr yu? Shall he fetch sme water fr yu?shall用于第二、三人称陈述句中，表示说话人给对方的许诺、命令、警告、威胁。Yu shall d as I say.Tell him that he shall have the bk tmrrw.He shall be punished.
shall & shuld & ught t
Shuld/Ought t1. 表示义务或责任, 译为为“应该”。 We shuld/ught t learn frm each ther.2. 表示建议或劝告，译为为“可以，应该”。 Yu shuld/ught t try yur best t better yur perfrmance.3. 表示推断, 译为”应该”, “可能”, “按道理会”。 They shuld/ught t be there by nw.4. shuld表示意外或惊讶，译为“竟然”。 It's strange that he shuld cme s late.
① I have t wait here because I have n umbrella with me.② I must recite the text this mrning.③ — Must we hand in ur exercise bks tday? — Yes, yu must. / N, yu dn’t have t / yu needn’t.④ Yu mustn’t smke here.⑤ Yur mther must be waiting fr yu nw.⑥ Why must yu always interrupt me?
(1) ①句中have t和②句中must均表示“______”，但______是指说话人的主观看法，而________则强调客观需要。(2) ③句中must 所构成的疑问句，回答的否定形式通常为__________________或________，意为“不必要”，而一般不说____________ (④句中mustn’t表示“禁止”)。
dn’t have t
must & have t
表示意愿、意志If yu will help me with my English, I will be very happy. 在疑问句中，用于第二人称，表示请求或征求意见，wuld比will语气更委婉Will/Wuld yu please give me a hand?表示习惯性的动作，“总是，常常”The ld man is strange. He will sit fr hurs withut saying anything.When I was a child, my mther wuld read me a stry every night.
will & wuld
1. need用作情态动词，表示“需要”(无时态与人称的变化)。 I need yur help. She need nt any help. (否定时，直接在情态动词后+nt)2. need用作实义动词，通常为“need t d sth”结构或“need+n” (有时态与人称的变化)。need t be dne=need V-ing Lily needs mre mney t pay fr that bk. (时态变化) Lily needed mre mney t pay fr that bk at that time. (人称数的变化) Lily desn’t need any mre mney t pay fr that bk. (否定，添加助动词)
① If he dare g, I’ll g with him.② Tm didn’t dare t d it.
(1) dare作情态动词时，表示“ __________”。常用于否定句和疑问句中，后接动词原形，否定形式为_________。(2) dare常用作_________ ，有________________的变化，后面可接________________ 。(3) dare 作为实义动词，有如下搭配： dare t d sth 敢于做某事 dare sb t d sth 激某人做某事
Read the passage and fill in the blanks with suitable mdal verbs in the bx.
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 friends, and with nwhere t stay. While this situatin _____ seem unusual, it can smetimes happen t travellers. 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 travellers 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.
The Past Future Tense过去将来时
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。
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.
1. wuld/shuld+动词原形
2. 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。
3. was/were abut t + 动词原形
4. 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。
5. 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.
was nt ging t give a lan t him
The clerk in the cnsulate tld Henry that they _______________________________ (nt, give, a lan).Henry entered the gentlemen’s huse, wndering if they ____________________ (ffer, a jb).The gentlemen said that Henry ____________________ (knw, everything) in an hur and a half.
wuld ffer him a jb
wuld knw everything
Cmplete the sentence with wuld, was/were ging t, and the wrds in brackets.
was ging t explain why he wasn’t pay the bill
4. Henry ___________________________________________ (explain why, nt pay, the bill) right away when the waiter became impatient.5. The wner f the tailr’s shp never thught he ___________________________ (hld, such a large nte).6. After ne mnth, Henry went t see the gentlemen with Prtia. He ___________________________ (give back, nte).
wuld hld such a large nte
was ging t give back the nte
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 award6. 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 play
wuld settle / was ging t settle
was ging t call
wuld be/was ging t be
Finish the exercises abut the mdal verbs and the past future tense（固学案《课时评价作业15》）.