八年级英语上册-Unit-8-English-week-Grammar课件

Period3GrammarModule4SchoollifeOxfordEnglishUnit8EnglishWeekYourmemory!•Modalverbs(情态动词)：•can-could,may-might,must•Should&oughttocanEg:IcanspeakEnglish.CanIborrowyourpen?can表示①某人具备某种能力做某事;②可以can的过去式___________•can的否定形式为________________•can的同义词_________________couldcannot或can’tbeabletomayMayIsmokehere?-----Yes,you_______./No,you_______(语气强烈)MayIborrowyourpen?-----Yes,you________./No,you_________.May意为__________,与________意义相同,May的过去式为_______可以canmightmaymustn’tmaymaynotEg:mustEg:•Mybedroomisdirty.Imustcleanit.•Youmustn’tsmokehere.It’snon-smokingarea.•Musttheyleave?Yes,theymust./No,theyneedn’t/don’thaveto.(没有必要)•Weusemust_______andmustnot(mustn’t)____________totellpeoplewhattodoorwhatnottodo.Must的同义词：___________必须不准，禁止havetoCan,may,must表推测1Hemustbeathomebecausethelightswereon.他一定在家，因为灯还亮着。Must表推测意为”一定，肯定”（可能性大），用于肯定句。2Thenewsmayormaynotbetrue.这个消息可能是真的也可能是假的。May表推测意为“可能”（可能性小），不用于疑问句中。3Thatcan’tbeMary.SheisinNewYork.那不可能是玛丽。她现在在纽约。Can’t表推测意为“不可能”(不可能的程度大)，can只用于否定句和疑问句中。记忆口诀：can不肯，may不问，must肯定不否问！选择can,can’t,may,must填空1Itiscoldintheroom.They______haveturnedofftheheating(取暖器).2A:Someoneisknockingatthedoor.B:Who______itbeatthismoment？3John_______beapoliceman.Heistooshort.4A:Whotoldyouthenews.B:It______beMary.I’mnotsure.mustcan’tmaycanYoushouldcommunicateinEnglishwithyourfriendswheneveryoucan.YoushouldreadEnglishbooksandmagazines,andwatchEnglishtelevisionprogrammes.Aboveall,youshouldenjoyEnglish!GrammarAModalverb:shouldPleasereadthesentenceswith“should”fromthepassageonpage115.Inmyopinion,everyschoolshouldhaveanEnglishWeek.Readthedialogueandsentencesonpage119.Finish“Workouttherule”andread“Thingstoremember”.should,oughtto应该，应当常用来表示劝告、建议认为“某人应该做某事”或“有义务责任做某事”。Oughtto语气稍重一些。带有责备或督促的意思。•Translation:我们应该现在讨论.Weshoulddiscussnow.=Weoughttodiscussnow.我们不应该现在讨论。Weshouldn’tdiscussnow..=Weoughtnottodiscussnow.我们应该现在讨论吗？Shouldwediscussnow?Oughtwetodiscussnow?回答：Yes,weshould/oughtto.No,weshouldn’t/oughtnotto肯定，否定形式I/You/He/She/We/Theyshouldoughttoshouldnotoughtnottodiscussit.________we______we__疑问，回答discussitnow?Yes,we_______________.No,we______________________.ShouldOughttoshould/oughttoshouldn’t/oughtnotto•P120:MsCheniswritingareportaboutherstudents.Helphercompletethereportwithshouldorshouldnotandtheverbsfromthebox.bedomakepronouncereadthinktry•ArthurshouldreadmoreEnglish•books.He(1)________________magazinesaboutpopstarsallthetime.Emily(2)____________________herwordsmoreclearlywhenshespeaksinEnglish.she(3)___________againinthespeakingcompetitionnextshouldnotreadshouldpronounceshouldtry•year.•Amy(4)____________morefriends•She(5)________________tooshy.•Joseph(6)_____________hishomeworkmorecarefully.•He(7)_______also________more•carefullybeforehespeaks!shouldmakeshouldnotbeshoulddoshouldthink练练看(学案)一、回答问题：1.Whatshouldwedoifwewanttogethighmarks?(workhard)Weshouldworkhard.2.Whatoughtwetodoifwefindsomemoneyontheclassroomfloor?(take…to)Weoughttotakethemoneytotheteacher.3.Howshouldwetreatourparentswhentheyareold?(lookafter)Weshouldlookafterthemifourparentsareold.4.Helookssad,Whatoughtwetosay?Weoughttosay“what’sthematter?”.5.Whatshouldyoudowhenyouseeanoldwomanstandingonthebus?Ishouldgivemyseattoher.Completethedialogueswithshould.should还可表示更正别人的说法1.—OughtItowriteareportaboutourclassmeetingforthenewspaper?—No,you_______.A.oughtnotB.oughtnottoC.oughttonotD.notoughttoB2.—You______takegoodcareofyouryoungersister.—OK,Iwill.A.canB.can’tC.oughttoD.oughtnottoC3.Youlookquitetired.You______stopworkingandhaveagoodrest.A.oughtB.mustn’tC.shouldD.shouldn’tC4.—Tony,youhavewokenupthebaby!—I’msorry.I______makemuchnoise.A.can’tB.mustn’tC.couldn’tD.shouldn’tD1.Weshouldtakegoodcareoftheyoungtrees.(改为一般疑问句)______we____goodcareoftheyoungtrees?2.Yououghttoturnoffthelightswhenyouleavetheroom.(改为一般疑问句)______I______offthelightswhenIleavetheroom?根据要求完成下列句子。ShouldtakeOughttoturn3.Yououghttoputyourbikeunderthetree.(改为否定句)You_____________yourbikeunderthetree.4.Thechildshoulddrinksomeorangejuice.(改为否定句)Thechild________________orangejuice.oughtnottoputshouldn’tdrinkany5.Theyshouldarriveatthestationbefore7o’clock.(就划线部分提问)____________________atthestation?WhenshouldtheyarriveGrammarBhadbetterReadthesentencesonpage120.Complete“Workouttherule”andread“Thingstoremember”.hadbetter无人称和数的变化，表示竭力劝告，或告诉人们（自己）该做什么事情。意为做…是好的，最好还是1.Bob______________eatsomuch.2.LookatMark!He_________stopsmokingatonce.hadbetternothadbetter3.Betty_________drivecarefully.Shehasalreadycrashed(碰撞)twocars.hadbetterCompletethefollowingsentenceswithhadbetterorhadbetternotandtheexpressionsfromthebox.Correctthefollowingsentences.Ⅰ.按要求改写下列句子，每空一词。1.Youshouldeattoomuch.(改为否定句)You____________toomuch.2.Heshouldspeakslowly.(改为一般疑问句)_____________slowly?3.It’sbestforyoutogetupearly.(改为同义句)You___________upearly.shouldnoteatShouldhespeakhadbetterget4.You’dbettertakemuchmoneywithyou.(改为否定句)You_______________muchmoneywithyou.5.TomshouldpractisemoretoimprovehisChinese.(对划线部分提问)__________Tom____toimprovehisChinese?hadbetternottakeWhatshoulddo二、【跟踪训练】Ⅰ.用should或shouldn’t以及括号中的提示完成下面的句子。1.___________________(you/smoke).It