高中英语人教版 (2019)必修 第三册Unit 5 The Value of Money课前预习课件ppt
展开Unit 5 The Value f Mney Discvering Useful Structures
1.(教材P52)Oliver believes that with a millinpund bank nte a man culd live a mnth in Lndn. ( )2.(教材P52)Yung man, wuld yu step inside a mment, please? ( )3.(教材P52)May we ask what yu're ding in this cuntry and what yur plans are? ( )4.(教材P52)Well, I can't say that I have any plans. ( )
5.(教材P52)Well, yu mustn't wrry abut that. ( )6.(教材P52)Yu mustn't think we dn't care abut yu. ( )7.(教材P52)Well, it may seem lucky t yu but nt t me! ( )8.(教材P52)Nw if yu'll excuse me, I ught t be n my way. ( )9.(教材P52)Oh, n, yu'd better nt pen it. ( )
一、情态动词的基本用法(一)can/culd的用法1.表示能力,意为“能,会”。Many peple can use the cmputer.许多人会用电脑。N ne culd answer this challenging questin.没人能回答这个具有挑战性的问题。
2.表示客观或理论上的可能性。It can be very ht here in summer.这里夏天有时会很热。Accidents can happen t any drunken driver.醉酒的司机都有可能发生交通事故。3.表示请求或允许。在疑问句中culd可以代替can,语气更委婉。Culd I have a wrd with yu? It wn't take lng.我可以和你谈谈吗?不会花很多时间的。
4.表示推测,意为“可能”,用于否定句和疑问句。can比culd语气强。He can't be ur manager. He has gne t Beijing.他不可能是我们经理。我们经理已经去北京了。He can't have left. His cat is here.他不可能已经走了。他的外套还在这里。
(二)may/might的用法1.表示请求和许可。在疑问句中might可以代替may,语气更加委婉。—Might I ask fr a picture f yur little daughter?—Yes, yu may.——我可以要一张你小女儿的照片吗?——是的,可以。
2.表示推测,意为“或许,可能”,通常用于肯定句和否定句。might比may语气弱。—I dn't really like James. Why did yu invite him?—Dn't wrry. He might nt cme. He said he wasn't certain what his plans were.——我真的不喜欢詹姆斯。为什么你邀请他?——别担心,他或许不会来。他说他还不能确定他的计划。3.表示祝愿,常用结构为“May+主语+动词原形!”May yu be happy every day!愿你快乐每一天!
(三)must的用法1.表示“必须”,语气强烈。have t表示“不得不”,意义与must相近,但又有所区别。must表示说话人的主观看法,have t则强调客观需要;must只有一种形式,而have t有人称、时态等方面的变化。—Shall I infrm him f the change f the schedule right nw?—I am afraid yu must, in case he cmes late fr the meeting.——我该马上通知他日程改了吗?——我想你必须(通知他),以免他开会迟到。I have t g nw, because my mther is in hspital.我现在不得不走了,因为我母亲在住院。
2.表示推测,意为“一定”,用于肯定句。Smene must have used my umbrella yesterday. I fund it wet.昨天一定有人用了我的雨伞,我发现它湿了。3.意为“偏要,非要……不可”。If yu must g, at least wait until the strm is ver.如果你非要走,至少要等到暴风雨停止。4.mustn't表示禁止,意为“不得,不允许;一定不要”。That car is my prperty; yu mustn't use it withut my permissin.那辆车是我的财产,你必须得到我的允许才能使用。
(四)shall的用法1.用于第一、三人称疑问句中,表示说话人征求对方的意见。Shall we put ff the sprts meet till next mnth?我们能否将运动会推迟到下个月?Shall Tm g there with me tmrrw?明天汤姆可以和我一起去那里吗?2.用于第二、三人称陈述句中,表示说话人的命令、警告、威胁、允诺、决心等;或用于条约、规定、法令、法律等,意为“必须”。Yu shall be punished fr what yu have dne.你必须为你的所作所为受到惩罚。
(五)shuld/ught t的用法1.shuld表示责任、义务、劝告、建议等,意为“应该”。We shuld be strict with urselves.我们对自己应该严格要求。2.shuld表示出乎意料的口气,意为“竟然,居然”。Such a gentleman shuld d that.这样一位绅士竟然会做那种事。
3.ught t表示义务或责任,意为“应该”,语气比shuld稍重。Yu ught nt t be late fr such an imprtant meeting.这么重要的会议你不应该迟到的。4.shuld和ught t表示推测,指预期的可能性,意为“应该,估计”。She prmised t cme by 10 'clck. She shuld/ught t be here at any mment.她答应10点之前来的。她随时都可能来到。
(六)will/wuld的用法1.表示意愿、意志、决心。will指现在,wuld指过去。I will never talk t him again.我再也不愿意和他说话了。—Why didn't yu cme t Simn's party last night?—I wanted t, but my mm simply wuld nt let me ut s late at night.——为什么你昨天晚上没来参加西蒙的聚会?——我想去参加,但只是我妈妈不愿意让我那么晚出去。
2.表示征求意见或提出请求,多用于第二人称疑问句中。wuld比will语气委婉。Wuld yu mind pening the windw fr me?请你给我打开窗户好吗?3.表示习惯性动作、固有属性、必然趋势,意为“总是,习惯于”。will指现在,wuld指过去。Every mrning he will always have a walk alng this river.每天早晨,他总会沿着小河散步。Mum wuld tell us stries befre we went t bed.过去在我们上床睡觉前,妈妈总给我们讲故事。
4.表示功能,意为“能,可以”,常用于否定句。The dr wn't pen.这门打不开。
(七)need的用法作情态动词时,need没有人称和时态的变化,后接动词原形,一般用于否定句或疑问句中。其否定形式是在其后直接加nt,疑问形式是直接将need提到主语前。由need构成的一般疑问句,其肯定回答用must。Yu needn't be tld twice abut ne single thing.同一件事不必对你说两遍。—Need I tell him everything that's happened t his parents?—Yes, yu must./N, yu needn't.——我有必要告诉他有关他父母发生的一切吗?——是的,必须。/不,没必要。
[名师点津]need还可以作实义动词,此时有人称和数的变化,后面可跟名词、带t的不定式或动名词等作宾语,其否定形式、疑问形式都要通过助动词d构成。 Plants need light in rder t survive.植物存活必须有光照。D I need t leave my telephne number and address?我有必要把电话号码和地址留下吗?Yu dn't need t hand in yur cmpsitins tday.你们今天不必交作文。
(八)dare的用法1.dare可用实义动词和情态动词,用作情态动词时,意思是“敢”,其后接动词原形,通常只用于否定句或疑问句以及if或whether之后,一般不用于肯定句:Dare yu tell her the truth?你敢告诉她事实真相吗? I dn't knw whether he dare try.我不知他是否敢试一试。I daren't ask her fr a rise.我不敢要求她加薪。
[名师点津] I dare say 是习惯说法(用于肯定句),并不一定要译为“我敢说”,它所表示的是一种不肯定的语气,常译为“很可能”“大概”“我想”等,有时用作反语:I dare say (that) yu are right.我想你是对的。Oh, yu mean t win? I dare say yu will.啊,你想打赢? 我且看你赢吧。
2.dare用作实义动词时意为“敢于”,可以有各种词形变化,可用于各类句型(肯定句、否定句、疑问句及各类从句等),其后多接带 t 的不定式,有时 t 也可省去(尤其是在否定句或疑问句中),可用于非谓语形式、完成时态等:We must dare t think, speak and act.我们必须敢想、敢说、敢做。I wnder hw he dared (t) say such things.我纳闷他怎么竟敢说出这样的话来。
Did he dare (t) tell her?他敢告诉她吗? We dn't dare (t) say anything.我们什么也不敢说。The by std befre the teacher, nt daring t lk up.这个小男孩站在老师面前不敢抬头。I've never dared (t) ask her.我从来不敢问她。
二、“情态动词+have dne”的用法
He is s happy. He must have wn the match.他这么高兴,他一定赢了这次比赛。She culdn't have read abut the explsin. She didn't knw anything abut it.她不可能读过关于爆炸的消息,她对此一点也不知道。Yu culd have dne better, but yu were t careless.你本来能做得更好些,但你当时太粗心了。She may have bught the dictinary, but I'm nt sure.她可能买了那本词典,但我不太确信。
Srry, I'm late. I might have turned ff the alarm clck and gne back t sleep again.对不起,我迟到了。我可能把闹钟关掉后又睡着了。Lk! There are s many mistakes in yur cmpsitin. Yu shuld have fixed full attentin n it.看! 你的作文里有这么多的错误。你本应该把所有的注意力都集中在它上面的。We needn't have bught s much fd nw that Suzie wn't be with us fr dinner.既然苏西不与我们一起吃晚饭,我们原本不必买那么多食物。
Ⅰ.用情态动词或其否定形式填空1.Smetimes smiles arund the wrld ________ be false, hiding ther feelings like anger, fear r wrry.2.Yu ____________ have taken s much cash with yu, yu knw—that shp accepted checks.3.Accrding t the factry safety rules, all accidents ____________ be reprted t the safety fficer.
4.—Schl is ver. Hw can we cntact Rbert?—Try phning him. He ____________ be hme by nw. He lives nly a stne's thrw frm the schl.5.—Thank yu fr inviting us. Tell yur wife that she gave us a perfect party.—I ____________. See yu later.6.She ____________ have attended that meeting, fr she was ding paperwrk in the ffice then.7.The fire was s big that it was several hurs befre firefighters ____________ get it under cntrl.
8.—Yu talk s much abut Lndn. Yu ____________ have been there.—Yeah, I went sightseeing n a tur last summer.9.—What a slw bus this is!—Yes, we ____________ just as well walk.10.When she was a little girl, she ____________ sit by the windw every evening, deep in thught.
Ⅱ.单句语法填空1.—Can't yu stay a little lnger?—It's getting late. I really ____________ g nw. My daughter is hme alne.2.—Srry, Mum! I failed the jb interview again.—Oh, it's t bad. Yu ________________ (make) full preparatins.3.Yu ____________ feel all the training a waste f time, but I'm a hundred percent sure later yu'll be grateful fr what yu did.
shuld have made
4.Yu _________ be Carl. Yu haven't changed a bit after all these years.5.Life is unpredictable; even the prest ____________ becme the richest.6.I still remember my happy childhd when my mther ____________ take me t Disneyland at weekends.7.It was sad t me that they, s pr themselves, ____________ bring me fd.8.Harry is feeling uncmfrtable. He ________________ (drink) t much at the party last night.
must have drunk
情态动词和过去将来时二、过去将来时翻译下面含有过去将来时的句子1.(教材P52)Yes, I was abut t g get the letter.______________________2.They wuld leave fr Paris the next mrning.__________________________________3.I was ging t help Mary with her Chinese that evening.___________________________________
是的,我正要去拿信。
第二天早上他们将动身去巴黎。
那天晚上我正打算帮玛丽学中文。
1.过去将来时的基本构成和用法过去将来时由“wuld+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。She said that she wuldn't d that again.她说她再也不会这样做了。
2.过去将来时的其他表达法(1) was/were ging t+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。I thught it was ging t rain.我认为要下雨了。(2)was/were t + 动词原形:主要表示过去按计划或安排要做的事情。She said she was t get married next mnth.她说她计划在下个月结婚。
(3)was/were abut t + 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。I was abut t g t bed when the phne rang.电话铃响时我正好要上床睡觉。(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cme, g, leave, arrive, begin, start, stp, clse, pen, die, jin, brrw, buy等瞬间动词。Jack said he was leaving tmrrw.杰克说他打算明天动身。
Ⅰ.完成句子1.我刚要离开这时我听到有人敲门。I ____________________ when I heard smene kncked at the dr.2.那天晚上,为了一个重要会议我要飞往上海。________________Shanghai that night fr an imprtant meeting.3.那时,她会坐在门口看着人来人往。______________________________________, seeing the peple back and frth.4.上个星期天,我们本想去游览长城的,但却下雨了。Last Sunday we ________________________ the Great Wall, but it rained.
was abut t leave
I was flying t
She wuld sit at the dr at that time
were ging t visit
Ⅱ.翻译句子1.Lily曾说她要到中国来。______________________________________2.有人告诉我他准备回家。_________________________________________3.他说火车将于第二天早晨六点离开。__________________________________________________4.她告诉我她要来看我。_____________________________________5.第二天,他们能完成工作吗?_______________________________________________________
Lily said that she wuld cme t China.
I was tld that he was ging t return hme.
He said the train was leaving at six the next mrning.
She tld me she was cming t see me.
Were they ging t finish the wrk befre the next day?
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