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1、 Lets read!第1页/共45页形容词比较级最高级规则变化1.一般一般+er/est eg：cold strong fast slow 2.以字母以字母e结尾结尾+r/est eg：nice large3.词末只有一个辅音字母时，应先双写辅音词末只有一个辅音字母时，应先双写辅音 字母字母+er/est eg:thin fat4.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”,+er/est eg:funny easy5.多音节词和部分双音节词，在词前加多音节词和部分双音节词，在词前加more/most eg:beautiful serious第2页/
2、共45页二、形容词和副词比较级的不规则变化二、形容词和副词比较级的不规则变化原级原级goodwellbad(ly)illmanymuchlittlefarold比较级比较级说明说明巧记：巧记：特殊形式比较级特殊形式比较级共有三对二合一共有三对二合一坏病两多坏病两多并并两好两好little意思不是小意思不是小一分为二有两个一分为二有两个一是一是老老来二是来二是远远better worseless more fartherfurtherolder elder 第3页/共45页三、部分形容词和副词的比较级的特殊情况：三、部分形容词和副词的比较级的特殊情况：1、某些单音节形容词，加、某些单音节形容词，
3、加more 构成比构成比较级。较级。glad more glad pleased more pleased tired more tired 第4页/共45页2、有些双音节和单音节形容词，既可以加、有些双音节和单音节形容词，既可以加er构成比构成比较级，也可以加较级，也可以加more 构成比较级。构成比较级。friendly friendier more friendly huge huger more huge calm calmer more calm true truer more true clever cleverer more clever第5页/共45页importanteasy
4、wethappycarefulthingoodhoteasilymanybigheavydelicious练习：写出下列词的比较级练习：写出下列词的比较级 more importanteasierwetterhappiermore carefulthinnerbetterhottermore easilymorebiggerheaviermore delicious第6页/共45页 写出下列单词的比较级和最高级写出下列单词的比较级和最高级cleversafeheavydifficultearlynewthin cleverercleverestsafersafestheavierheavies
5、tmore difficultmost difficultearlierearliestnewernewestthinner thinnest第7页/共45页原级原级 比较级比较级 最高级最高级fastshortbigthinfunnyheavyathleticexpensivefastershorterbiggerthinnerfunnierheaviermore athleticmore expensiveFastestShortestBiggestThinnestFunniestHeaviestMost athleticMost expensive第8页/共45页1.as+adj./ad
6、v.（原级）+as (和一样)2.否定notso/as+形容词原形+as(和不一样;不如)3.倍数+as+adj.（原级）（原级）+as (是是的几倍的几倍)第9页/共45页1.比较级+than(“比更”)2.“The+比较级，the+比较级”(“越就越”)3.“比较级比较级+and+比较级比较级”或或“more and more 原级原级”(“越来越越来越”)4.表示不及另一方时，使用表示不及另一方时，使用“less+原级原级+than (“不如不如”)5.Who/Which 谓语比较级谓语比较级,A or B?(A/B谁谁/哪个更哪个更?)6.倍数倍数+比较级比较级+than (比比多几倍
7、）多几倍）第10页/共45页形容词的比较级形容词的比较级 用于两者（人或物）之间，表示用于两者（人或物）之间，表示“其中一个比另一更其中一个比另一更”或或“较较”，后面，后面通常通常用连词用连词thanthan连结另连结另一个比较的对象，其基本句型是：一个比较的对象，其基本句型是：主语谓语（系动词主语谓语（系动词/行为动词）形行为动词）形容词比较级（容词比较级（+其它）其它）than对比对比对象。对象。eg:第11页/共45页（3）“比较级+and+比较级”表示 “越来越”eg:In spring,the days are getting longer and longer.春天，日子越来越长
8、了。She is more and more athletic.她越来越健壮了。than than 后面接代词时，一般要用主格，后面接代词时，一般要用主格，但在口语中也可以换成宾格。但在口语中也可以换成宾格。eg:He is good at math than eg:He is good at math than I(me).I(me).他比我更擅长数学。他比我更擅长数学。第12页/共45页二.原级和比较级前面通常使用的修饰词：（一）在原级前面通常使用very,quite,too,much too,a little,as,so，really等。eg:1.The room is very big
9、.2.The person is quite clever.3.Today is too hot.4.He eats too much,so hes much too heavy.5.He is a little angry.第13页/共45页（二）在比较级前面使用的修饰词有：even（更，更加），still，a little/a bit（有点），far/much/a lot（更加，的多）eg:1.Yesterday was hot,but today is even hotter.2.Im a little taller than Mary.3.This skirt is far/much/
10、a lot more beautiful than that one.第14页/共45页Which country is larger?U.S.AAustraliaUSA is larger than Australia.第15页/共45页The Yellow RiverWhich river is longer?The Changjian RiverThe Changjiang River is longer than the Yellow River.第16页/共45页vegetablespizzaWhich is more delicious,vegetables or pizza?(9
11、)表示两者之间的选择，可使用“Whichwhois+比较级，or?”第17页/共45页Who is more popular,Beckham or Zhao Benshan?BeckhamZhao Benshan第18页/共45页4.表示三者之间的选择可使用“Which/Who+谓语+the+最高级,or?”1.the+最高级最高级+of(in)2.oneofthe+最高级+名词复数3.the+序数词序数词+最高级最高级第19页/共45页1.Hainan Island is the second _(large)island in China.2.ZhaoLeiisoneof_(young)b
12、oysinhisschool.3.Which do you like _(well),Chinese,English or math?largestthe youngestbestCan you do it?4.Jim jumped _ (high)of all.(the)highest5.Heis_(popular)studentinourclass.themostpopular第20页/共45页Li Leis box is heavy.Han Meimeis box is heavier than Li Leis.Jims box is the heaviest of all.第21页/共
13、45页The bee is flying fast.The bird is flying faster.The plane is flying the fastest.第22页/共45页 250,000 RMB.50,000 RMB.The green car is the most expensive.Theredcatismoreexpensivethanthebike.The bike is expensive.500 RMB第23页/共45页TomisastallasMike.汤姆和迈克一样高。as+形容词原形+asThereareasmanystudentsinourclassasy
14、ours.我们班有和你们班一样多的学生。TomisasoldasMike.汤姆和迈克一样大。第24页/共45页否定notas+形容词原形+as“和不一样”或notso+形容词原形+as“不及不如LucyisnotastallasMike.LucyisnotsotallasMike.露西没有迈克那样高。第25页/共45页二.原级和比较级前面通常使用的修饰词：（一）在原级前面通常使用very,quite,too,much too,a little,as,so 等。eg:1.The room is very big.2.The person is quite clever.3.Today is to
15、o hot.4.He eats too much,so hes much too heavy.5.He is a little angry.第26页/共45页（二）在比较级前面使用的修饰词有：even（更，更加），a little（有点），far/much/a lot（更加，的多）eg:1.Yesterday was hot,but today is even hotter.2.Im a little taller than Mary.3.This skirt is far/much/a lot more beautiful than that one.第27页/共45页1.The envir
16、onment in our hometown is _ than it was before.good B.worse C.better D.bad2.I can type _ than I can write by hand.A.fast B.much fasterC.more faster D.fastest第28页/共45页3.-Have you decided which youd like to buy,the black shirt or the yellow one?-The black one.Because it is _ of the two.A.the nicerB.th
17、e nicestC.nicer第29页/共45页4.Lilei is _ than any other _ in his class.A.tall,studentsB.taller,studentsC.taller,student.比较级+anyother+单数名词.“比其他任何都”.(暗指:最高级)第30页/共45页1.Sheisthe_intheclass.(young)2.Jasonisthe_ofthethree.(tall)3.Whosehandwritingisthe_ofall?(good)youngesttallestbest表示三者或三者以上（人或事物）的比较用最高级，最高级
18、的前面一般要加定冠词the，后面可带of（in,among）短语来说明比较的范围.第31页/共45页1.她女儿是她们学校最好学生之一.2.中国长城是世界上最伟大的建筑之一.“最之一”:用oneofthe+形容词最高级+名词复数+of/in介词短语.如:Herdaughteris_inherschool.TheGreatWallofChinais_intheworld.oneofthebeststudentsone of the greatest buildings第32页/共45页The Yellow River is _ river in China.A.the second longest
19、 B.the second longer C.second longest the+序数词最高级序数词最高级表示第几表示第几第33页/共45页1.-Whos _ basketball player in China now?Is it Yao Ming?-No.Its Sun Mingming.A.tall B.taller C.the tallest2.English is one of _ imporant subjects in our school.A.most B.the mostC.more D.much more第34页/共45页3.Which boy is _,Jim,Mike
20、 or Tom?A.tallerB.the most tallC.the tallestD.the taller4.Of all the ball games,I like baseball _.its really my favorite.well B.goodC.better D.best第35页/共45页5.The price of this computer is the _ of the three.A.smallestB.biggestC.highestD.tallest第36页/共45页1.比较级比较级+and+比较级比较级 越来越越来越2.the+比较级比较级,the+比较级比
21、较级 越越,越越 3._you are,_mistakes you will make.(你你越仔细越仔细，做错的题目就，做错的题目就越少越少）4._ you eat,_youll be.(你吃得你吃得越多越多,就就越胖越胖)5.Alice writes well.Mary writes _ than she.(甚至更好）甚至更好）The more carefulthe fewerThe morethe fatter1.Thegirlbecomes_.(越来越漂亮）more and more beautiful2.The weather is getting _.(越来越槽糕）越来越槽糕）wo
22、rse and worseeven/still better第37页/共45页1.Itis_(warm)inthesouththaninthenorth.2.Thatquestionis_(difficult)thanthisone.3.Shefeltillyesterdayandshefeelseven_(ill)today.4.Heismuch_(young)thanhisyoungerbrother.5.Lilyis_ofthetwo.(young)6.Whichdoyouthinktastes_,thechickenorthefish?(good)7.Who runs _,Tom or
23、 Jim?(fast)warmer moredifficultworsetheyoungeryoungerbetterfaster 第38页/共45页Followups(随堂练习)1、The Changjiang River is _ than any other river in China.A.shorter B.longer C.shortest D.longest2、Bob never does his homework _ Mary.He makes lots of mistakes.A.so careful B.as carefully as C.carefully as D.as
24、 careful asBB第39页/共45页3、_ she is,_ she feels.A.The more busy,the more happy B.The busy,the happy C.Busier,happier D.The busier,the happier4、The weather is getting _.(越来越冷)D Dcolder and colder 第40页/共45页6.InourcityitsinJuly,butitiseven_inAugust.A.hotter;hottestB.hot;hotC.hotter;hotD.hot;hotter7.Anelep
25、hantisthanatiger.A.HeavyB.veryheavyC.theheaviestD.heavier8.Which subject is _,physics or chemistry?A.interesting B.most interesting C.more interesting D.the most interesting CDD5.The bread is _ than these cakes A.very delicious B.much delicious C.more delicious D.as deliciousC第41页/共45页1.This problem
26、 is as_(difficult)as that one.2.Wwhos _(tall),Lucy or Lily?3.Sally always makes _(few)mistakes than the other students in her class.4.This summer is _(hot)than last summer.5.I _(true)like the coat.第42页/共45页一者比较用原级，比较级限二者比，三者三者往上比，最高级的用法起；若甲乙程度相同，asas结构体；若甲某方面不及乙，notso/asas来担起；中间形、副连接要切记！Remember 第43页/共45页1.Tom walked in to his room_(quiet)than his brother.2.Linda is much _(outgoing)than her sister.3.He speaks as_(clear)as me.4.The doctor isnt as _(seriously)as Mr.WU.5.Who is _(clever),Tom or Jack?第44页/共45页谢谢您的观看！第45页/共45页