Unit.1FriendsPeriodFive【Grammar(I)】TeachingAims:1.Touseanadjectivebeforeanunorafteralinkingverbtodescribesomeone/something.2.Tousecomparativestocomparetwopeopleortwothings.TeachingSteps:一、Greeting:二、Newwords:1.cheerfuladj.令人快乐的，快乐的2.thanconj.比SandyisshorterthanMillie.三、形容词比较级和最高级的构成。规则变化情况方法例词一般情况直接加-er,-estshort—shorter—shortest以e结尾的词加-e,-stlarge—larger—largest以辅音字母+y结尾的词把y改成i再加-er,-esteasy—easier—easiesthappy—happier—happiest以一个辅音字母结尾的重读闭音节词辅音字母双写，再加-er,-estbig—bigger—biggesthot—hotter—hottest部分双音节（以辅音字母+y的除外）及多音节的词在形容词前面加more,mostbeautiful—morebeautifulbeautiful—mostbeautifulcareful—morecarefulcareful—mostcareful不规则变化原级比较级最高级good,wellbetterbestbad,illworseworstmany,muchmoremostlittlelessleastfarfarther,furtherfarthest,furthestoldolder,elderoldest,eldest四、意义与用法（构成）1.原级的意义和用法意义：表示A和B比较，程度相同（用原级）用A=B形式用法：A+be动词+as+形容词+as+Beg:Sheisas+allasI.2.比较级的意义和用法意义：说明A比B更……一些用A>B形式用法：A+be动词+形容词比较级+than+Beg:Thisbikeisolderthanthatone.3.最高级的意义和用法意义：表示（人或物）三者或三者以上的比较，其中有一个在某一方面超过其他两个或几个时，用最高级。用法：A+be动词+the+形容词最高级+（名词）+of(in)+……eg:Heisthetallestofthethree.五、FinishthetableofPartB1.六、Someexercises(一)、写出下列形容词的比较级和最高级1.warm2.hot3.happy4.good5.big6.few7.expensive8.fine9.easy10.beautiful11.slow12.interesting13.important14.little15.pretty16.nice17.tall18.red19.slim20.far(二)、用括号形容词的比较级填空1.Mary’shairis_____________(long)thanJane’s.2.Shanghaiis___________(big)thanHarbin.3.Itis___________(hot)inNanjingthaninBeijing.4.Isfootball_____________(exciting)thanbasketball?5.Wangis__________(short)but__________(strong)thanZhao.(三)、用括号内形容词的最高级填空1.Heis__________(short)boyofthegroup.2.Whois___________(old)studentintheclass?3.Itis___________(cheap)carofthemall.4.Theseflowersare___________(pretty)ofall.5.Sheis___________(smart)ofthegirls.(四)、填入形容词的比较级和最高级1.Tomis___________(tall)thanJack.2.Winteris__________(cold)thanautumn;itis_________(cold)ofthefourseasons.3.Hishomeworkis__________(bad)thanhers.4.Yourworkismuch_________(good)thanitwasayearago.5.Thechildwasveryyoung,buthewasnot___________(young)inthefamily.Hersisterwas___________(young)thanhim.6.Theyare___________(clever)boysthatIknow.七、Homework:《当》《作业本》Period5教后感：
