Unit4阶段专题复习情态动词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.重点语法指南4.Maybeyoucouldgotohishouse.5.Youcouldtrytobefriendly.(结构:should+①②could+)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。【实战演练】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。单元话题作文指导【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.compare单元达标闯关6.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。...
