2019形容词比较级和最高级公开课.ppt

Chapter4ComputerTechnologyLanguage:形容词比较级和最高级学习目标Thecomparativeandsuperlativeofadjectives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:cheapestthemostexpensiveXiYangyangalwaysthinksofgoodideatobeatHuiTailang.XiYangyangis_________(clever)thanHuiTailang.LookandsayclevererLookandsayTomPeterTomisfatterthanPeter.Tomis______heavierthanPeter.muchMostYoungpeoplelikeJayZhou,butonlyafewpeopleknowaboutFangDatong.JayZhouis_____________(famous)thanFangDatong.LookandsaymorefamousThedogisbiggerthanthemouse.Thehorseisthebiggestofall.Theboyisyoungerthantheman.Thebabyistheyoungestofthethree.bigbiggerbiggestyoungyoungeryoungestLookandsayJimLiLeiTomLiLeiistallerthanTom.Jimisthetallestofall.￥30￥20￥10Theyellowcoatischeaperthanthepurpleone.Thebrowncoatisthecheapestofthethree.LookandsayPleasesumuptherules!（我们来总结一下规律吧！）形容词比较级和最高级的构成：单音节形容词的构成方法原级比较级最高级一般在词尾加-er或-esttalltallertallest以字母e结尾的单词后加-r或-stnicefinenicerfinernicestfinest以“辅音字母+y”结尾的双音节词，先改y为i,再加-er或-estearlyheavyearlierheavierearliestheaviest规则变化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-est1.形容词比较级和最高级的构成：lessfarther(further)oldereldermoreworsebetter例词不规则变化leastfarthestfurthestoldesteldestlittlefaroldmostmany/muchworstbad/illBestgood/well少数几个形容词的比较级和最高级的构成是不规则的。Shenzhenismyhome.Itdevelopsinaquickway.Itusedtobeasmallvillage.Nowitismuch______(big)thanbefore.Theroadsare_____(wide).Thestreetsare______(clean).Thebuildingsare_____(new)and______(high).Wecanseetreeseverywhere.IthinkShenzhenisoneof_________________(beautiful)citiesinChina.IloveShenzhen.biggerwidercleanerhighernewerthemostbeautifulLookatthetwopictures,saysth.aboutShenzhennow.PastNowTaskOne: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.A:S1:Whichisthesmallest,abee,abutterflyoranant?S2:Anantisthesmallest.B:S1:Whichisthemostvaluable,iron,silverorgold?S2:Goldisthemostvaluable.C:S1:Whichisthehottest,theNorthPole,theSouthPoleortheGobiDesert?S2:TheGobiDesertisthehottest.D:S1:Whichistheheaviest,abear,awhaleoranelephant?S2:Awhaleistheheaviest.E:S1:Whichisthefastest,arocket,aplaneoratrain?S2:Arocketisthefastest.NameHeightWeightAgeKen165cm50kg14Tim175cm60kg12Peter180cm59kg16John195cm65kg18S1: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.S1—S2—S3—S4—S12.Shareyourdialogueinclass.cheap______________high_____________cute______________fat______________big____________pretty_______________expensive____________________________interesting____________________________cheapercheapesthigherhighestcutercutestfatterfattestbiggerbiggestprettierprettiestmoreexpensivemostexpensivemoreinterestingmostinterestingI.写出下列形容词的比较级和最高级：1.Afriendiseasierlostthanfound.2.Enoughisasgoodasafeast.3.Bettertodowellthantosaywell.4.Betterthelastsmilethanthefirstlaughter.“比较”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”出来的英语III.Pleasecorrectthefollowingwrongsentences(改正下列错句）.1.Booksarecheapestthancomputers.___________________________________2.Computersareexpensiverthanbooks.___________________________________3.Tomistheheavierstudentintheclass.___________________________________4.Thisorangeisbigerthanthatone.___________________________________5.Thisbookistheinterestingestinthelibrary.____________________________________Computersaremoreexpensivethanbooks.Tomistheheavieststudentintheclass.Thisorangeisbiggerthanthatone.Thisbookisthemostinterestinginthelibrary.Booksarecheaperthancomputers.IV.Fillintheblankswiththeproperformsofthewordsgiven.(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.I’m________thanhisbrother,Jim.(clever)6.Ithinkshelooks_______thaninthephoto.(pretty)oldermoremoreexcitingcleanerclevererprettier知识点：两者中的比较…..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)moredangerousmoreimportantfartherbrigh