八年级上比较级和最高级的用法ppt.ppt

比较级和最高级的用法,形容词比较级一般用在比较两个事物的时候。最高级，顾名思义就是在比较时候，某一事物具有某方面最典型的特征。,一、形容词、副词的比较级、最高级的构成规则：1一般在形容词、副词后加上er表示比较级加上est表示最高级原级比较级最高级1）smallsmallsmall2)youngyoungyoung3)fastfastfast,er,est,er,est,er,est,2以不发音的e结尾的，只加上r表示比较级，加上st表示最高级。1)largelargelarge2)nicenicenice3)finefinefine,r,st,r,st,r,st,4双写最后一个辅音字母，然后加上er表示比较级；加上est表示最高级。原级比较级最高级1）bigbigbig2)thinthinnerthinnest3)wetwetterwettest4)fatfatterfattest5)hothotterhottest,ger,gest,3以辅音字母+y结尾的，把消去y,然后加上er表示比较级；加上est表示最高级。原级比较级最高级1）earlyearlyearly2)happyhappyhappy,ier,iest,ier,iest,5双音节和多音节的形容词，副词，在这些形容词和副词前加上more表示比较级；加上most表示最高级。原级比较级最高级beautifulmorebeautifulmostbeautifulimporatantmoreimportantmostimportant,不规则变化，要多加注意哦！,best,farther,farthest,worse,worst,more,most,goodbetterbestwellbetterbestbadworse-worstill-worseworstmanymoremostmuchmoremostlittleless-lest,oldolder-oldestelder-eldestfar-father-fathestfuther-futhest,原级比较级最高级,fastshortbigthinfunnyheavyexpensivefar,fastershorterbiggerthinnerfunnierheaviermoreexpensivefarther,fastestshortestbiggestthinnestfunniestheaviestmostexpensivefarthest,形容词原级的常用句型,TomisastallasMike.,as+形容词原形+as,Thereareasmanystudentsinourschoolasyours.,TomisthreetimesasoldasMike.,比较级+than,形容词比较级的常用句型,Thisbridgeislongerthanthatone.,Ourschoolislargerthantheirs.,比较级的用法：than1.汤姆比杰克高.2.这只箱子要比那只箱子大.3.那些苹果比这些大.4.第一个问题很容易,但第二个更容易.,TomistallerthanJack.,Thisboxisbiggerthanthatone.,Thoseapplesarebiggerthantheseones.,Thefirstquestionisveryeasy,butthesecondoneiseasier.,。,Haveatry，please。,1.Whichdoyoulike_(well),applesororanges?2.Whois_(old),JimorTom?3.Jackisrunning_and_(fast).4.Ourcountryisbecoming_and_(beautiful).5.Heis_(tall)ofthethetwoboys.,better,older,faster,faster,more,morebeatiful,thetaller,big,bigger,Lookatthepicturesandunderstand看图并理解,Lookatthepicturesandunderstand看图并理解,big,bigger,biggest,fast,faster,Lookatthepicturesandunderstand看图并理解,fast,faster,fastest,Lookatthepicturesandunderstand看图并理解,ZenZhiweiisshort.,TomisshorterthanZenZhiwei.,Xiaoxinistheshortestofthem.,LiuYifeiisthin.,XiaomingisthinnerthanLiuYifei.,Mikeisthethinnestofall,Competition(写出下列单词的比较级和最高级),1popular2short3thin4funny5good,1popular/morepopular/mostpopular2short/shorter/shortest3thin/thinner/thinnest4funny/funnier/funniest5good/better/best,肥肥-沈殿霞,100kg,heavy,theheaviest,Mr.Wang,Mr.Li,MissShenisheavy.Mr.Wangisheavier.Mr.Liistheheaviestofthethree.,GeYouisfunny.ZhaoBenshanisfunnier.PanChangjiangisthefunniestofthem.,250,000RMB.,50,000RMB.,Thegreencaristhemostexpensive.,Theredcatismoreexpensivethanthebike.,Thebikeisexpensive.,500RMB,Jim,Tom,Stalloneisthemostathleticofthethree.,TomismoreathleticthanJim.,Jimisathletic.,形容词和副词的比较级和最高级的用法及常用句型（1）前者程度超过后者用比较级：A+比较级+than+BHeistallerthanshe.（2）三个或三个以上比较用最高级：A+(the)+最高级+of/in+范围Heisthetallestinhisclass.,YaoMingisJordan.,Jordanistall.,YaoMingistaller.,Jordan,2.26m,1.98m,tallerthan,ZengZhiweiisshort.,PangChangjiangis,PangChangjiangisZengZhiwei.,shorter.,shorterthan,LiuHuanisheavy.,FeiMaois,FeiMaoisLiuHuan.,80kg,90kg,heavier.,heavierthan,LinXinruisthin.,LiuYifeiis,LiuYifeiisLinXinru.,45kg,48kg,thinner.,thinnerthan,moreoutgoing,LiYongisChenglong.,ChengLongisoutgoing.,LiYongismoreoutgoing.,outgoing,moreoutgoingthan,athletic,ChengLongismoreathleticthanLiXiaopeng.,LiXiaopengisathletic.,ChengLongismoreathletic.,moreathletic,LilyLucy,Who,shairislonger?,LucyshairislongerthanLilys.,Lilyshairislong.,Whichgoesfaster,thebikeorthecar?,Thecargoesfasterthanthebike.,Thebikegoesfast.,Whichrunsfaster,thedogorthesheep?,Thedogrunsfasterthanthesheep.,Thesheeprunsfast.,Whoismorebeautiful,thegirlorthenurse?,Thenurseismorebeautifulthanthegirl.,Thegirlisbeautiful.,Jim,Tom,Whoismoreathletic?,TomismoreathleticthanJim.,Jimisathletic.,Whichmountainishigher?,MountainFuji,HuangshanMountain,用所给形容词或副词的适当形式填空：1Hegetsupalittle_thanI.(early)2Youdothework_thanTom.(well)3Sheismuch_thanherbrother.(short)4Thispictureis_thanthatone.(beautiful)5Whichis_,thesunorthemoon?(big)6Jackis_ofthetwoboys.(clever),earlier,better,shorter,morebeautiful,bigger,thecleverer,比较级用法：两者比较，常用句型：A+