高一英语cultural-relics课件5

重庆大学版高一(2)Unit1ModalVerbs(Ⅰ)must,may,should,will,havetoStudyingtheRule1)A:It’shot,isn’tit?B:Yeah,butitmayraintomorrow.2)A:MayIsitdown?B:No,youmustn’t.A:Whynot?B:Becauseitisbroken.3)A:TheflighttoNewYorkshouldbeleavinginafewminutes.B:Areyousure?4)A:Sally,youshouldbecarefulwhenyougooutatnight.B:Ok,Iwill.5)A:Ihavejustwalked5minutes!B:Youmustbeverytirednow.6)A:WillyougivethistoElle,please?B:Withpleasure.7)A:It’srainingcatsanddogsoutside.B:Really?ThenIhavetotakeanumbrellawithme.8)A:MustIhandinthehomeworknow?B:No,youdon’thaveto.Youmayhanditintomorrowmorning.6)A:Whenarewegoingtoleavethehotel?B:Wemustleavethehotelbefore6pm.1.must与haveto的区别haveto比较强调客观需要,must着重说明主观看法。另外haveto能用于更多时态,比较下面的句子：Wehadtobethereat10:00.有时两者都可以用,意思差别不大。e.g.Wemust/havetoleavenow.must在表示说话人对事物的推测时候要注意它比may肯定得多,相当于汉语的“一定”或“准是”。(只有在肯定句中能这样用。)Thismustbeyourroom．在回答由must引起的问题时,如果是否定的答复，不能用mustn’t,而需要用needn’t或don’thaveto,因为mustn’t是“一定不要”的意思。2.may的用法:a.表示“允许”或“请求”。e.g.MayIcomein？在使用这一用法时需注意:may表示“允许”的否定形式是mustnot,意思是“不应该”“不许可”。e.g.—MayItakethisbookoutofthereading-room？—No,youmustn’t．b.表示说话人的猜测，认为某一事情“或许”或“可能”发生。e.g.Hemayknowtheanswer．c.may用在感叹句中可表示祝愿、愿望。e.g.Mayyousucceed．(祝你成功。)Mayyouhaveapleasantjourney．(一路平安。)3.should是shall的过去式，它可以用于过去时态中，但更多的是用作情态动词，意思是“应当；应该”，用来表示义务或责任。此时，它不再局限于和第一人称的代词连用，而是三种人称都能使用。例如：YoushouldanswermyquestioninEnglish.你应当用英语回答我的问题。Theyshouldn'tbesocareless.他们不该如此粗心。It'sraininghard.Youshoulddriveslowly.雨下得很大。你开车要慢些。should还可以用在提供帮助、提出建议、要求、给予指示的句子中。例如：ShouldIhelpyoucarrythebasket?要不要我帮你提篮子？WhatshouldIdoforthem?我应当为他们做些什么？应当注意的是，当should表示上述两种意思时，要重读。4.will情态动词aux.(客气提问)是否愿意；…好吗wordthatyousaywhenyouaskapolitequestion·Willyoupassthesalt?请你把盐递给我，好吗？·Willyoupleasegivehimamessagewhenyouseehim?你见到他时捎个口信给他好吗？·Won’tyoucomeinandhavealittletea?要不要进来喝点茶？·Willyoupleaselendmeyourrubber?请借给我你的橡皮好吗？FindingtheRule1)Givingadvice2)Sayingthatsomethingisnecessary3)Politelyaskingsomeonetodosomething4)Askingsomeoneforpermissiontodosomething5)Sayingthatperhapssomethingwillhappen____________________486216)Sayingsth.willalmostcertainlyhappen,aslongasnothingunexpectedstopsit7)Expressinganopinionaboutsomethingthatthespeakerisnotsureabout.8)Expressingobligationandduties.9)Expressingneed.3597________________1)What?Yousayyoucan’tseethoselights?You_______beblind.2)Ifitisraining,you______totakeanumbrellawithyou.3)Excuseme,but_____Iaskyouaverypersonalquestion.4)Ican’tbesure,butI_____belatethisevening.Sodon’twaitforme.ApplyingtheRuleCompletethefollowingsentenceswithmay,should,must,willorhaveto.musthavetomaymay5)Youdon’t________returnthebooknow.YoucankeepituntilnextMondayifyoulike.6)Thetrain______behereanyminutenowbutyouneverknow.7)Excuseme,but_____youpleasestayoffthegrass.8)He_______stayathomebecauseheisblind.9)Listen!Youreally______givethistoMary!It’sveryimportant.havetomaywillhastomust1)Askyourteacherforpermissiontoleaveschoolearlytomorrow.ApplyingtheRuleMakesentencesbyusingmay,should,mustwillorhaveto,basedonthefollowingsituations.MayIleaveschoolearlytomorrow?2)Adviseyourfriendtostudyharder.Youshouldworkharder.3)Youareadoctor.Tellapatientthatitisreallynecessarytotakeallthemedicine.4)Someoneasksyouthetime.Youhaven’tgotawatchbutyou’resureit’steno’clock.Youhavetotakeallthemedicine.Itshouldbeteno’clock.5)Someoneaskyouifitwillraintomorrow.Youdon’tknow.Butitispossible.Ihavenoidea.Butitmayraintomorrow.5)Someoneaskyouifitwillraintomorrow.Youdon’tknow.Butitispossible.6)Youphoneisringing.Youarebusy.Politelyaskafriendtoanswerit.Ihavenoidea.Butitmayraintomorrow.Willyoupleaseanswerthephoneforme?Theplaneshouldarriveat12:00am,ifnothinggoeswrong.7)Youareastewardess.Apassengerwantsyoutotellhim/herthearrivaltimeinParis.Youtellhim/hertheplanewillalmostcertainlyarriveat12:00am,ifnothinggoeswrong.8)Yoursonisaloneathome.Soyoutellyourfriendsatthepartyyouneedtogohomenow.I’mafraidIhavetoleavenowbecausemysonisaloneathome.Self-check1.Iamnotsure,butIthinkBob____cometoseemetoday.2.Developedcountriesthinkthatdevelopingcountries____acceptglobalization.3.Ifyouneedanyhelp,I____bethefirstonetogiveittoyou.5.Allofus______learntobepoliteandshouldnotsmokeortalkloudlyinapublicplace.maymustwillshould6.Let’sgeteverythingreadynow.Ourguests___comeatanytimefromnowon.7.Look,thelightison.Bob____beintheroomnow.8.IhopeJohn____cometomorrow.Ihavesomethingimportanttotellhim.9.Adults______notberudetochildren.Otherwise,they___berudetoadults.10.IsawMaryinthebookstoreafewminutesago.She____notbeintheclassroomnow.maymustwillshouldwillcan’t1.Incrowdedplaceslikeairportsandrailwaystations,you____takecareofyourluggage.(2007北京卷)A.canB.mayC.mustD.will2.---HowisyourtouraroundtheNorthLake?Isitbeautiful?---It________be,butitisnowheavilypolluted.A.willB.wouldC.shouldD.must3.—Shelooksveryhappy.She______havepassedtheexam.—Iguessso.It’snotdifficultafterall.(2007)A.shouldB.couldC.mustD.might4.—HowisyourtouraroundtheNorthLake,isitbeautiful?—It______be,butitisnowheavilypolluted.(2007)A.willB.wouldC.shouldD.must金属瓦是指以其代替了琉璃瓦、陶土瓦、水泥瓦、沥青瓦、树脂瓦等。金属瓦按制作工艺分为石面金属瓦、漆面金属瓦、金属本色瓦。中文名金属瓦定义金属为基础材料制作的屋面分类石面金属瓦漆面金属瓦金属本色瓦功能别墅、住宅屋面。目录1石面金属瓦2漆面金属瓦3金属本