形容词比较级和最高级公开课.pptx
学习目标The comparative and superlative of adjectivesThe comparative and superlative of adjectives形容词比较级和最高级英语中有时需要对两者或多者进行比较，这时就需要用形容词的比较等级。比较等级分为：原级:cheapexpensive比较级:cheapermoreexpensive最高级:cheapestthemostexpensive第1页/共29页XiYangyangalwaysthinksofgoodideatobeatHuiTailang.XiYangyangis_(clever)thanHuiTailang.Lookandsaycleverer第2页/共29页LookandsayTomPeterTomisfatterthanPeter.Tomis_heavierthanPeter.much第3页/共29页MostYoungpeoplelikeJayZhou,butonlyafewpeopleknowaboutFangDatong.JayZhouis_(famous)thanFangDatong.Lookandsaymorefamous第4页/共29页Thedogisbiggerthanthemouse.Thehorseisthebiggestofall.Theboyisyoungerthantheman.Thebabyistheyoungestofthethree.bigbiggerbiggestyoungyoungeryoungestLookandsay第5页/共29页JimLiLeiTomLiLeiistallerthanTom.Jimisthetallestofall.￥30￥20￥10Theyellowcoatischeaperthanthepurpleone.Thebrowncoatisthecheapestofthethree.Lookandsay第6页/共29页Pleasesumuptherules!（我们来总结一下规律吧！）第7页/共29页形容词比较级和最高级的构成：形容词比较级和最高级的构成：单音节形容词的单音节形容词的构成方法构成方法原级原级比较级比较级最高级最高级一般在词尾加一般在词尾加-er或或-est tall taller tallest以字母以字母e结尾的结尾的单词后加单词后加-r或或-st nicefinenicerfinernicestfinest以以“辅音字母辅音字母+y”结尾的双音节词，结尾的双音节词，先改先改y为为i,再加再加-er或或-estearlyheavyearlierheavierearliestheaviest规则变化第8页/共29页moreusefulmorebeautifulthinnerbiggerhottermostusefulmostbeautifulthinnestbiggesthottestusefulbeautiful多音节词 或少数双音节词，在词前加more或 mostthinbighot重读闭音节词尾只有一个辅音字母时，应先双写这个辅音字母，再加-er或-est第9页/共29页第10页/共29页Shenzhenismyhome.Itdevelopsinaquickway.Itusedtobeasmallvillage.Nowitismuch_(big)thanbefore.Theroadsare_(wide).Thestreetsare_(clean).Thebuildingsare_(new)and_(high).Wecanseetreeseverywhere.IthinkShenzhenisoneof_(beautiful)citiesinChina.IloveShenzhen.biggerwidercleanerhighernewerthemostbeautifulLookatthetwopictures,saysth.aboutShenzhennow.PastNowTaskOne:第11页/共29页A(small)abee,abutterflyoranant?B(valuable)iron,silverorgold?Task:1.S1asksthequestions.S2givestheanswers.S2asksthequestions.S1givestheanswers.2.Shareyourdialogueinclass.E(fast)arocket,aplaneoratrain?C(hot)theNorthPole,theSouthPoleortheGobiDesert?D(heavy)abear,awhaleoranelephant?Example:(big)Earth,themoonorthesun?S1:Whichisthebiggest,Earth,themoonorthesun?S2:Thesunisthebiggest.第12页/共29页A:S1:Whichisthesmallest,abee,abutterflyoranant?S2:Anantisthesmallest.B:S1:Whichisthemostvaluable,iron,silverorgold?S2:Goldisthemostvaluable.C:S1:Whichisthehottest,theNorthPole,theSouthPoleortheGobiDesert?S2:TheGobiDesertisthehottest.第13页/共29页D:S1:Whichistheheaviest,abear,awhaleoranelephant?S2:Awhaleistheheaviest.E:S1:Whichisthefastest,arocket,aplaneoratrain?S2:Arocketisthefastest.第14页/共29页NameNameHeightHeightWeightWeight AgeAgeKenKen165cm165cm50kg50kg 1414TimTim175cm175cm60kg60kg 1212PeterPeter180cm180cm59kg59kg 1616JohnJohn195cm195cm65kg65kg 1818S1:Whoistaller,_or_?S2:_istaller.S2:Whoisthetallest,_,_or_?(_,_,_or_?)S3:_isthetallest.S3:Whoistaller,_or_?S4:_istaller.S4:Whoisthetallest,_,_or_?(_,_,_or_?)S1:_isthetallestExample:Makeupdialogueaccordingtothetable.Anexampleisgiven.Task:1.S1S2S3S4S12.Shareyourdialogueinclass.第15页/共29页第16页/共29页cheap _ _ high_ _ cute_ _ fat _ _ big _ _ pretty _ _expensive _ _ interesting _ _cheapercheapesthigherhighestcutercutestfatterfattestbiggerbiggestprettierprettiestmore expensive most expensivemore interestingmost interestingI.写出下列形容词的比较级和最高级：第17页/共29页1.Afriendiseasierlostthanfound.2.Enoughisasgoodasafeast.3.Bettertodowellthantosaywell.4.Betterthelastsmilethanthefirstlaughter.“比较比较”出来的英语出来的英语朋友易失不易得。知足常乐。说得好不如做得好。宁可最后微笑，不可首先狂喜。II.英译中第18页/共29页5.Doingisbetterthansaying.6.Twoheadsarebetterthanone.7.Goodtobeginwell,bettertoendwell.8.Aneyefindsmoretruththantwoears.会说不如会做。两人智慧胜一人。善始好，善终更佳。百闻不如一见。“比较比较”出来的英语出来的英语第19页/共29页III.Please correct the following wrong sentences (改正下列错句）.1.Booksarecheapestthancomputers._2.Computersareexpensiverthanbooks._3.Tomistheheavierstudentintheclass._4.Thisorangeisbigerthanthatone._5.Thisbookistheinterestingestinthelibrary._Computersaremoreexpensivethanbooks.Tomistheheavieststudentintheclass.Thisorangeisbiggerthanthatone.Thisbookisthemostinterestinginthelibrary.Booksarecheaperthancomputers.第20页/共29页IV.Fillintheblankswiththeproperformsofthewordsgiven.(用括号中词的适当形式填空用括号中词的适当形式填空)1.Mysisteris_thanRichard.(old)2.Hehas_homeworktodothanIdotoday.(much)3.Isfootball_thanvolleyball?(exciting)4.Thetownis_thanitusedtobe.(clean)5.Im_thanhisbrother,Jim.(clever)6.Ithinkshelooks_thaninthephoto.(pretty)oldermoremoreexcitingcleanerclevererprettier知识点：两者中的比较知识点：两者中的比较.第21页/共29页IV.Fillintheblankswiththeproperformsofthewordsgiven.(用括号中词的适当形式填空)7.Thisroadis_thantheotherone.(dangerous)8.Thisproblemis_thanIthought.(important)9.Canyouwalk_thanayoungman?(far)10.Insummeritismuch_inWuhanthaninBeijing.(hot)11.Whichis_,Room201orRoom108?(bright)12.Tomis_boyinourclass.(old)moredangerousmoreimportantfartherbrighterhottertheoldest三者以上的比较三者以上的比较第22页/共29页13.Thisis_citythatwehaveevervisited.(good)14.Itwasthe_dayofhislife.(bad)15.Susansflowersare_ofall.(beautiful)16.Sueis_ofthegirlsintheclass.(clever)Sheansweredallthequestionsexcept_one.(difficult)17.Winteris_thanautumn;itis_ofthefourseasons.(cold)thebestworstthemostbeautifulthecleverestthemostdifficultcolderthecoldest第23页/共29页18.Wewatchedavery_playthedaybeforeyesterday.(bore)19.Pantscost_thanshorts.Shortsdontcostas_aspants.(much)20.Thegirlseems_todaythanyesterday.Thegirldidntseemso_yesterdayastoday.(lively)boringmoremuchmorelivelylivelynotas/soasnotas/soas第24页/共29页单项选择(目标词汇的练习)1.Englishisoneof_importantsubjectsinourschool.A.mostB.themostC.moreD.muchmore2.Thebusierheis,the_hefeels.A.happilyB.happyC.happierD.morehappy3.-Howareyoutoday,Peter?-Much_,butmydoctorsaysIllstillhavetorestforanotherfewdays.A.wellB.goodC.betterD.best4.Peterspent_timeandmade_sentencesthanTony.A.fewer;moreB.less;moreC.much;manyD.more;manyoneof+最高级最高级+名词复数名词复数The+比，比，the+比比much+比较级比较级less+不可数名词；不可数名词；more+可数可数/不可数名词不可数名词第25页/共29页1.much+比较级比较级2.The+比，比，the+比比3.as+原级原级+asnotas/so+原级原级+as4.oneof+最高级最高级+名词复数名词复数5.less+不可数名词；不可数名词；more+可数可数/不可数名词不可数名词第26页/共29页Finish the Exercise on P49/50 of textbook.第27页/共29页第28页/共29页感谢您的观看！第29页/共29页
