八年级英语比较级和最高级的用法ppt电子版本.ppt

八年级英语比较级和最高八年级英语比较级和最高级的用法级的用法pptppt形容词比较级形容词比较级一般用在比较两个一般用在比较两个事物的时候。事物的时候。最高级最高级，顾名思义就是在比较，顾名思义就是在比较时候，某一事物具有某方面时候，某一事物具有某方面最典型的特征。最典型的特征。一、形容词、副词的比较级、最高级的构成一、形容词、副词的比较级、最高级的构成规则：规则：1一般在形容词、副词后加上一般在形容词、副词后加上er表示表示比较比较级级加加上上est表示表示最高最高级级原级原级比较级比较级最高级最高级1）smallsmallsmall2)youngyoungyoung3)fastfastfasteresteresterest2以不发音的以不发音的e结尾的，只加上结尾的，只加上r表示表示比比较级，加上较级，加上st表示最高级。表示最高级。1)largelargelarge2)nicenicenice3)finefinefinerstrstrst4双写最后一个辅音字母双写最后一个辅音字母，然后加上，然后加上er表示比较级；加上表示比较级；加上est表示最高级。表示最高级。原级原级比较级比较级最高级最高级1）bigbigbig2)thinthinnerthinnest3)wetwetterwettest4)fatfatterfattest5)hothotterhottestgergest3以辅音字母以辅音字母+y结尾的，把消去结尾的，把消去y,然后加然后加上上er表示比较级；加上表示比较级；加上est表示最高级。表示最高级。原级原级比较级比较级最高级最高级1）earlyearlyearly2)happyhappyhappyieriestieriest5双音节和多音节的形容词，副词，在这些形双音节和多音节的形容词，副词，在这些形容词和副词容词和副词前加上前加上more表示比较级；加上表示比较级；加上most表示最高级。表示最高级。原级原级比较级比较级最高级最高级1)beautifulmorebeautifulmostbeautiful2)imporatantmoreimportantmostimportant 不规则变化，不规则变化，要多加注意哦！要多加注意哦！bestfartherfarthestworseworstmoremostgoodbetterbestwellbetterbestbadworse-worstill-worseworstmanymoremostmuchmoremostlittleless-lestoldolder-oldest elder-eldestfar-father-fathest futher-futhest原级原级比较级比较级最高级最高级fastshortbigthinfunnyheavyexpensivefarfastershorterbiggerthinnerfunnierheaviermore expensivefartherfastestshortestbiggestthinnestfunniestheaviestmost expensivefarthestTomisastallasMike.as+形容词原形形容词原形+asThereareasmanystudentsinourschoolasyours.TomisthreetimesasoldasMike.比较级比较级+thanThisbridgeislongerthanthatone.Ourschoolislargerthantheirs.比较级的用法：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.第一个问题很容易第一个问题很容易,但第二个更容易但第二个更容易.TomistallerthanJack.Thisboxisbiggerthanthatone.Thoseapplesarebiggerthantheseones.Thefirstquestionisveryeasy,butthesecondoneiseasier.。1.Which do you like _(well),apples or oranges?2.Who is _(old),Jim or Tom?3.Jack is running _ and _(fast).4.Our country is becoming _and _(beautiful).5.He is _(tall)of the the two boys.betterolderfasterfastermoremorebeatifulthetallerbigbiggerLookatthepicturesandunderstand看图并理解Lookatthepicturesandunderstand看图并理解bigbiggerbiggestfastfasterLookatthepicturesandunderstand看图并理解fastfasterfastestLookatthepicturesandunderstand看图并理解Zen Zhiwei is short.Tom is shorter than Zen Zhiwei.Xiao xin is the shortest of them .Liu Yifei is thin.Xiaoming is thinner than Liu Yifei.Mike is the thinnest of allCompetition(写出下列单词的比较级和最高级)1 popular 2 short 3 thin 4 funny 5 good 1 popular/more popular/most popular2 short/shorter/shortest3 thin/thinner/thinnest4 funny/funnier/funniest5 good/better/best肥肥肥肥-沈殿霞沈殿霞100kgheavyheavier180kgtheheaviest220kgMr.WangMr.LiMissShenisheavy.Mr.Wangisheavier.Mr.Liistheheaviestofthethree.funnyfunnyfunnierfunnierthefunnithefunniestestGeYouisfunny.ZhaoBenshanisfunnier.PanChangjiangisthefunniestofthem.250,000 RMB.50,000 RMB.The green car is the most expensive.The red cat is more expensive than the bike.The bike is expensive.500 RMBJim Tom Stalloneisthemostathleticofthethree.TomismoreathleticthanJim.Jimisathletic.形容词和副词的比较级和最高级的用形容词和副词的比较级和最高级的用法法及常用及常用句型句型（1）前者程度超过后者用）前者程度超过后者用比较级比较级：A+比较级比较级+than+BHeistallerthanshe.（2）三个或三个以上比较用三个或三个以上比较用最高级最高级：A+(the)+最高级最高级+of/in+范围范围Heisthetallestinhisclass.Yao Ming is Jordan.Jordan is tall.Yao Ming is taller.Jordan2.26m1.98mtaller thanZeng Zhiwei is short.Pang Changjiang isPang Changjiang is Zeng Zhiwei.shorter.shorter thanLiu Huan is heavy.Fei Mao isFei Mao is Liu Huan.80kg90kgheavier.heavier thanLin Xinru is thin.Liu Yifei is Liu Yifei is Lin Xinru.45kg48kgthinner.thinner thanmore outgoingLi Yong is Cheng long.Cheng Long is outgoing.Li Yong is more outgoing.outgoingmore outgoing thanathleticCheng Long is more athletic than Li Xiaopeng.Li Xiaopeng is athletic.Cheng Long is more athletic.more athleticLily Lucy Who,shairislonger?LucyshairislongerthanLilys.Lilyshairislong.Whichgoesfaster,thebikeorthecar?Thecargoesfasterthanthebike.Thebikegoesfast.Whichrunsfaster,thedogorthesheep?Thedogrunsfasterthanthesheep.Thesheeprunsfast.Whoismorebeautiful,thegirlorthenurse?Thenurseismorebeautifulthanthegirl.Thegirlisbeautiful.Jim Tom Whoismoreathletic?TomismoreathleticthanJim.Jimisathletic.Which mountain is higher?MountainFuji HuangshanMountain用所给形容词或副词的适当形式填空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)earlierbettershorter morebeautifulbigger thecleverer比较级用法比较级用法：两者两者比较比较，常用句型：，常用句型：A+(much,alittle等修饰词等修饰词)比较级比较级+than+B完成句子完成句子：1这个盒子比那个重。这个盒子比那个重。Thisboxis_thatone.2你下次一定要做得更好。你下次一定要做得更好。Youmust_nexttime.3他学习比他的哥哥努力得多。他学习比他的哥哥努力得多。Hestudies_hisbrother.4.谁想去最远的那个公园谁想去最远的那个公园?Whowantstogoto_park?heavierthan dobettermuchharderthanthefarthest结束结束