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阶段专题复习Unit4情态动词should、could的用法【观察领悟】仔细观察例句并填空。1.Youshouldcallhimsothatyoucansayyou’resorry.2.Ifyourparentsarehavingproblems,youshouldoffertohelp.3.Heshouldtalktohisfriendsothathecansayhe’ssorry.4.Maybeyoucouldgotohishouse.5.Youcouldtrytobefriendly.(结构:①should+②could+)答案:①动词原形②动词原形【探究总结】(一)should的用法1.结构:(1)基本结构:should是情态动词,后接动词原形。(2)否定结构:在should后直接加not,缩写为shouldn’t。(3)疑问结构:将should提到主语之前。2.含义及用法:(1)表示建议、劝告。(2)表示义务。(3)表示推测、推论。(二)could的用法1.含义:could是情态动词can的过去式,但常用于疑问句中,表示委婉语气。2.用法:(1)表示过去能做的事。(2)表示请求许可。常用于疑问句中,表示委婉语气。答语常用can或can’t表示接受请求或拒绝请求。(3)表示建议或劝告,意为“可以,不妨”。Ⅰ.完成句子1.你应该在睡前刷牙。Youyourteethbeforeyougotobed.2.你不应该天天玩游戏。Yougameseveryday.3.他们应该在天黑前到达。Theyarrivebeforedark.答案:1.shouldbrush2.shouldn’tplay3.shouldⅡ.单项选择1.Tonyplaythepianoverywellattheageof5.A.canB.couldC.willD.should2.youpassmeapen?I’dliketowritedownthetelephonenumber.A.ShouldB.CouldC.WillD.Need3.—CouldIuseyourbike?—Yes,ofcourse,you.A.canB.couldC.willD.need4.—Ineedsomemoneytobuyacomputer.—Maybeyougetapart-timejob.A.mustB.mayC.couldn’tD.couldⅢ.句型转换1.Youshouldgetupearly.(改为否定句)Youupearly.2.Youshouldgetherascarf.(对画线部分提问)Igether?3.Hecouldbethereontime.(改为一般疑问句)hethereontime?答案:1.shouldn’tget2.Whatshould3.Could;be本单元以“谈论问题,提出建议”为话题。在写作时,应针对问题提出建议,此话题是新课程标准中要求学习的一个重要话题,也是单元测试和中考等试题中常考的话题作文之一。【习作在线】假如你是Julia,Jane是你的好朋友,但她弄丢了你的书,为此你们发生了争执,并多日未交谈,想起往日的友情,你觉得有必要写一封信向她道歉,并向她提出爱护好自己物品的建议。请就此给她发一封电子邮件表示你的诚意。_________________________________________________________________________________________________________________________________________________【思路点拨】(1)体裁:_______。(2)人称:_________。(3)时态:___________。应用文第一人称一般过去时【佳作鉴赏】DearJane,I’msorrytohaveafightwithyouafewdaysago.Wehaven’ttalkedwitheachotherthesedays.Youarestillmybestfriend,aren’tyou?Somedaysago,whenIheardthatyoulostmybook,Iwasreallymad.SoIarguedwithyou,andsaidthatIcouldnotbeyourbestfriendfromthenon.Later,Ididn’tsleepwellatnight.Ialwaysrememberedalotoffunwehad.SoIdecidedtowritealettertosaysorrytoyou.Ialsothinkyoushouldbecarefulandtakegoodcareofyourthings.Let’sbebestfriendsagain,OK?Yours,JuliaⅠ.词汇速记1.争吵;争论(v.)2.代替;反而;却(adv.)3.任何;每一(pron.)4.持续;继续存在(v.)5.比较(v.)答案:1.argue2.instead3.whatever4.continue5.compare6.communicate(v.)→(n.)交流;沟通7.second(num.)→(adv.)第二;其次8.develop(v.)→(n.)发展;成长9.unusual(adj.)→(反义词)(adj.)通常的答案:6.communication7.secondly8.development9.usualⅡ.短语互译1.允许某人做某事_________sb.______________sth.2.浏览look____________3.成功地发展;解决work____________4.与……交流communicate____________5.copyothers’homework____________答案:1.allow;todo2.through3.out4.with5.抄袭别人的作业6.givesb.pressure7.competewithsb.8.haveaquickdinner9.compare...with答案:6.给某人施加压力7.与某人竞争8.匆忙吃过晚饭9.比较;对比Ⅲ.句型攻关1.——彼得应该怎么办?—Peterdo?——他应该向玛丽道歉。—HeshouldMary.2.为什么不早一点起床呢?youupearlier?答案:1.Whatshould;saysorryto2.Whydon’t;get3.他直到下午两点才到家。Hehome2p.m..4.在学校里,吉娜和同学相处得很好。Ginawithherclassmatesatschool.5.在这条河里游泳很危险。inthisriver.答案:3.didn’tget;until4.getson/alongwell5.It’sdangeroustoswimⅣ.词汇串记There’ssomething1(有毛病;错误的)withTina.She2(和……争吵)herparents.Shethinksherclothesareoutofstyle.Shehasnomoneytopayfornewclothes.Noonewearsthesameclothesasher.Parentstrytofitasmuchaspossibleintoherlife.Shemusttakepartin3(各种各样的)clubs,includingEnglishclub.Shehadtotakepartinthebasketball4(训练)everyweekend.Tinahopesherparentswill5(删除;除去)someofheractivities.Shecan’t6(回来)home7(直到)10o’clockeverynightexceptFriday.Herparentsalways8(比较)herwithotherchildren.Shefeelsverymad.Shefeelsverytiredandshehopesshewillbeahappyandsuccessfulgirl.答案:1.wrong2.arguedwith3.allkindsof4.training5.cutout6.return7.until8.compare1.(2013·鞍山中考)—CanIsmokeinthedininghall?—Sorry.It’snot.A.promisedB.realizedC.allowedD.reminded【解析】选C。考查词义辨析。由答语上一句可知吸烟不被允许。promise意为“承诺”;realize意为“意识到”;allow意为“允许”;remind意为“回想起”。故选C。2.(2013·长沙中考)—It’stoolate.Ihavetogonow.—Oh,it’srainingoutside.Don’tleave______itstops.A.sinceB.untilC.while【解析】选B。考查连词的用法。句意:——太晚了,我现在必须走了。——噢!外面正在下雨,不要离开直到它(雨)停。not...until...直到……才……。故选B。3.(2013·泰州中考)—Ifeelstressedfromtimetotime.Couldyougivemesomeadvice?—sharingyourworrieswithyourparents?A.Whydon’tyouB.HowaboutC.WhynotD.Wouldyoulike【解析】选B。考查固定句式。Whydon’tyou...后接动词原形,Howabout...后接动名词,Whynot...后接动词原形,Wouldyoulike...后接动词不定式。由答句中的动词sharing知,用句型:Howabout...,故选B。4.(2013·锦州中考)youpleasegivemeahand?Theboxistooheavy.A.ShouldB.CouldC.MustD.Need【解析】选B。考查情态动词的用法。Couldyouplease...?你能……吗?故选B。5.(2013·安徽中考)Youdriveyourcarsofast.It’sverydangerous.A.wouldn’tB.shouldn’tC.couldn’tD.mightn’t【解析】选B。考查情态动词的用法。wouldn’t意为“将不,不会”;shouldn’t意为“不应该”;couldn’t意为“不能;可能不”;mightn’t意为“可能不”。句意:你不应该开车这么快,非常危险。故选B。