九年级英语下册Unit1LifeinMarsGrammarA精品学案牛津译林版课题9Bunit1GrammarA学习目标知识目标Touse‘can’,‘could’,‘may’and‘might’totalkaboutpermission.能力目标ExpresstheirEnglishcorrectly.情感目标Tobeapoliteperson.学习重点Theusageof‘can’,‘could’,‘may’and‘might’.学习难点Touse‘may’and‘might’totalkaboutpermission.课前自学(1)can(could)请问,你能帮我吗?__________________________?你能给我递一下书吗?__________________________________?(2)may(might)我可以进来吗?________________________________?他说他可以借给我们一些钱._____________________________.‘can’,‘could’,‘may’和‘might’表示可能他可能还在门口等.________________________________.他不可能明天走.__________________________________.他们可能错过公交车吗?是的,有可能._______________________.那不是我的.可能会是谁的呢?可能是约翰的._________________.她可能在哪?可能在教室._________________________________.情态动词提前学:表示商量猜测不十分确定的事情.肯定句用must;might;may疑问句用can;could否定句can‘t;couldn’t;maynot1、肯定句是有根据，有经验的判断用mustThetallmanmustbeaplayer。Hemustworkinthisschool。不肯定，无把握的猜测用may,往往在有"..notsure"的句子时才用mayYouranswermayberight。butI‘mnotsure。客气礼貌婉转用mightYoumightneedsomemoney。Ithinkyoumightbehungry。2。疑问句只能用can，could不能用must，may，mightCanhebeateacher？猜测远处的人，看不见的人用Whocanitbe？“Someoneisknockingatthedoor，whocanitbe？”“Openthedoorplease！”“Whoisit？”“Itisme。”3.有把握有根据的否定猜测用can'tcouldn't"不可能",无把握无根据用maynot,mightnot"可能不"不能用mustn't.mustn't不是猜测,是"不允许...""禁止"Hecan'tbeatthelibrary,forIsawhimjustnow.Hemightnotknowtheheadmaster.▼.can,beableto表示能力的区别can长期固有的自然能力Icandriveacar.beableto经过努力克服困难后才获得的能力.Afterthreemonths'study,Iamabletodriveacarnow.Ihavebeenabletodriveacarnow.▼.can,could,may,might表示许可1.could可用于现在时的疑问句表示客气礼貌,"ofcourseyoucan"表示乐意对方用自己的东西.Could/Wouldyoudomeafavour?ofcourseIcan.小试牛刀：().“WhereisTom?”“Hehasn’tcometoschooltoday,Ithinkhe______beill.”A.hastoB.shouldC.mayD.can课堂交流展示1.情态动词can,could,may,might的用法Can用于问候朋友；could用于问候老师和成年人；may用于问候陌生人和你尊敬的人，显得正式而有礼貌；might用于非常有礼貌的场合，很少用。e.g.1)---爸爸，我能用你的照相机吗？---可以。Dad,Iuseyourcamera?Yes,you.2)Daniel,我能借你的字典吗？Daniel,Iborrowyourdictionary?课堂达标检测一.选择1.—Ismokehere?—No,youmustn’t.A.CanB.MayC.MustD.Need2.—IvisitLucyonSunday,Mum?—Yes,you.A.Must;canB.May;mayC.Need;needD.May;need3.Hefinishhishomeworkontime.A.neednottoB.doesn’tneedC.needstoD.needs4.youliketoholdtheladderforme?A.CouldB.ShouldC.WouldD.Must5.Johndidn’tcometotheparty,athome.A.hemaybeB.maybeheC.hemaybeD.maybehe6.IthinkifImakeapenthathasamachineinit.I’ll______writefaster.A.canB.couldC.hasbeenableD.beableto7.“WhereisTom?”“Hehasn’tcometoschooltoday,Ithinkhe______beill.”A.hastoB.shouldC.mayD.can学习感悟10-5一.选择1-5BBCCC6-7DC
