八年级上比较级和最高级的用法.pptx
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。第1页/共39页一、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)fastfastfasteresteresterest第2页/共39页2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)finefinefinerstrstrst第3页/共39页4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)hothotterhottestgergest第4页/共39页3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)happyhappyhappyieriestieriest第5页/共39页5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第6页/共39页 不规则变化，要多加注意哦！bestfartherfarthestworseworstmoremostgoodbetterbestwellbetterbestbadworse-worstill-worseworstmanymoremostmuchmoremostlittleless-lestoldolder-oldest elder-eldestfar-father-fathest futher-futhest第7页/共39页原级比较级最高级fastshortbigthinfunnyheavyexpensivefarfastershorterbiggerthinnerfunnierheaviermore expensivefartherfastestshortestbiggestthinnestfunniestheaviestmost expensivefarthest第8页/共39页TomisastallasMike.as+形容词原形+asThereareasmanystudentsinourschoolasyours.TomisthreetimesasoldasMike.第9页/共39页比较级+thanThisbridgeislongerthanthatone.Ourschoolislargerthantheirs.第10页/共39页比较级的用法：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.第11页/共39页。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.betterolderfasterfastermoremorebeatifulthetaller第12页/共39页bigbiggerLookatthepicturesandunderstand看图并理解第13页/共39页Lookatthepicturesandunderstand看图并理解bigbiggerbiggest第14页/共39页fastfasterLookatthepicturesandunderstand看图并理解第15页/共39页fastfasterfastestLookatthepicturesandunderstand看图并理解第16页/共39页Zen Zhiwei is short.Tom is shorter than Zen Zhiwei.Xiao xin is the shortest of them .第17页/共39页Liu Yifei is thin.Xiaoming is thinner than Liu Yifei.Mike is the thinnest of all第18页/共39页Competition(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第19页/共39页肥肥-沈殿霞100kgheavyheavier180kgtheheaviest220kgMr.WangMr.LiMissShenisheavy.Mr.Wangisheavier.Mr.Liistheheaviestofthethree.第20页/共39页funnyfunnyfunnierfunnierthefunnithefunniestestGeYouisfunny.ZhaoBenshanisfunnier.PanChangjiangisthefunniestofthem.第21页/共39页 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 RMB第22页/共39页Jim Tom Stalloneisthemostathleticofthethree.TomismoreathleticthanJim.Jimisathletic.第23页/共39页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.第24页/共39页Yao Ming is Jordan.Jordan is tall.Yao Ming is taller.Jordan2.26m1.98mtaller than第25页/共39页Zeng Zhiwei is short.Pang Changjiang isPang Changjiang is Zeng Zhiwei.shorter.shorter than第26页/共39页Liu Huan is heavy.Fei Mao isFei Mao is Liu Huan.80kg90kgheavier.heavier than第27页/共39页Lin Xinru is thin.Liu Yifei is Liu Yifei is Lin Xinru.45kg48kgthinner.thinner than第28页/共39页more outgoingLi Yong is Cheng long.Cheng Long is outgoing.Li Yong is more outgoing.outgoingmore outgoing than第29页/共39页athleticCheng Long is more athletic than Li Xiaopeng.Li Xiaopeng is athletic.Cheng Long is more athletic.more athletic第30页/共39页Lily Lucy Who,shairislonger?LucyshairislongerthanLilys.Lilyshairislong.第31页/共39页Whichgoesfaster,thebikeorthecar?Thecargoesfasterthanthebike.Thebikegoesfast.第32页/共39页Whichrunsfaster,thedogorthesheep?Thedogrunsfasterthanthesheep.Thesheeprunsfast.第33页/共39页Whoismorebeautiful,thegirlorthenurse?Thenurseismorebeautifulthanthegirl.Thegirlisbeautiful.第34页/共39页Jim Tom Whoismoreathletic?TomismoreathleticthanJim.Jimisathletic.第35页/共39页Which mountain is higher?MountainFuji HuangshanMountain第36页/共39页用所给形容词或副词的适当形式填空：1 He gets up a little_ than I.(early)2 You do the work _ than Tom.(well)3 She is much _ than her brother.(short)4 This picture is _ than that one.(beautiful)5 Which is _,the sun or the moon?(big)6 Jack is _of the two boys.(clever)earlierbettershorter morebeautifulbigger thecleverer比较级用法：两者比较，常用句型：A+(much,alittle等修饰词)比较级+than+B第37页/共39页完成句子：1 这个盒子比那个重。This box is _ _that one.2 你下次一定要做得更好。You must _ _next time.3 他学习比他的哥哥努力得多。He studies _ _his brother.4.谁想去最远的那个公园?Who wants to go to _ _ park?heavierthan dobettermuchharderthanthefarthest第38页/共39页感谢您的观看。第39页/共39页
