1、1大家好大家好2形容词比较级和最形容词比较级和最高级的构词规则高级的构词规则3规则变化规则变化v1.单音节和少数双音节单词,一般在词单音节和少数双音节单词,一般在词尾加尾加“er”或或“est”。v clean,tall,small,cheap,short,long,light,highv2.以不发音字母以不发音字母“e”结尾的单词,直接结尾的单词,直接在词尾加在词尾加“r”或或“st”。v nice,late,close,fine,large,free,rude4v以重读闭音节结尾的单词,如果词尾以重读闭音节结尾的单词,如果词尾只有一个辅音字母时,应先双写这一只有一个辅音字母时,应先双写这一
2、辅音字母,再加辅音字母,再加“er”或或“est”。v fat,big,red,thin,hot,fat,sad,v wetv以辅音字母以辅音字母+y结尾的单词,应先改结尾的单词,应先改“y”为为“i”,在加,在加“er”或或“est”。v happy,easy,heavy,healthy,busy,lucky,pretty,sunny,funny55.其他双音节单词和多音节单词,都在其前其他双音节单词和多音节单词,都在其前面加面加“more”或或“most”。(beautiful,interesting)6.不规则变化不规则变化。记忆口诀记忆口诀:合二为一共三对,合二为一共三对,“坏坏bad
3、”,“病病ill”,两多两多many/much”和和“两好两好good/well”,一分为二只两个,一是一分为二只两个,一是“远远far”来二是来二是“老老old”,还有一词还有一词little含双义,只记含双义,只记“少少”来不记来不记“小小”。6Read and compare:younglongfullshortsmalloldfineyounger youngestlonger longest fuller fullest shorter shortestsmaller smallestolder oldest finer finest7veasyvhungryvearlyvheavy
4、vbigvredeasier easiesthungrier hungriest earlier earliestheavier heaviest bigger biggest redder reddest8manyfamousexcitingcarefullymore mostmore famous most famousmore exciting most excitingmore carefully most carefully9wet hotlittlefewillbadhealthyworse worst wetter wettesthotter hottestless leastf
5、ewer fewestworse worsthealthier healthiest10I.原级用法原级用法:1.as+adj/adv.的原级的原级+as(肯肯,否否),(not)soas(否否)1).The ruler is as long as that one.2).He sings as well as Jack.3)He doesnt sing as(so)well as Jack.11v2.as much as,vas many as 与与一样多一样多veg.I have done as much work as he did yesterday.v vYou can take a
6、s many books as you can.12II.比较级用法比较级用法:1.比较级比较级+than 比较级比较级+and+比较级比较级,表示表示“越来越越来越”eg.warmer and warmer,nicer and nicer,more and more beautiful,2.more and more fun13v3.the+比较级比较级 the+比较级比较级vThe more you read the book,the more interesting you found.v4.比较级的修饰语有比较级的修饰语有:much,far,even,a little,a lot,a
7、bit,rather,still,a great deal(大量大量)+adj./adv.比较级比较级v5.当比较级后没有当比较级后没有than,而为而为of the two的结构的结构,比较级前加比较级前加the.vThe taller of the two girls is Mary.14最高级用法最高级用法:1.形容词最高级用于形容词最高级用于in,of 或或among的结构中的结构中,形容词最高级前形容词最高级前+the eg I am the best of(among)the three.He is the thinnest boy in my class.else 152.副词最
8、高级不需副词最高级不需+the eg.Jim goes to bed latest in my family.)2.比较级和最高级互换比较级和最高级互换(比较时要把自己排除在外。注意比较的范围)eg.Shanghai is the largest city in China.Shanghai is larger than any other in China16John is the thinnest student in the class.John is thinner than any other student in the class.John is thinner than _in
9、 the class.anyone/anybody else17 I think English is as as maths.important B.more important C.most important D.importanter B18v2.Mother gets up_ in my family.vA.early B.earlier v C.earliest D.the earlierc19v3.The next morning Jenny got up even .vA.early B.earlier v C.earliest D.the earliestB204.Emily
10、 sings of the five girls.A.good B.well C.better D.best5.In fact,Delia is a little_ than her elder sister.A.tall B.taller C.tallest D.the tallestDB217.Of all the stars the sun is _ to us.close B.closer C.closest D.the closestD228.Barbara felt much _than before after dark.A.cold B.colder C.coldest D.t
11、he coldestB239.This jacket is smaller than that one but its .A.expensive B.more expensive C.most expensive D.the most expensiveB2410.Our country has become_ in the past 20 years.A.more and more rich and strong B.more richer and more stronger C.more rich and more strongD.richer and strongerD2515.Tom
12、is more careful than any in his class.A.boy B.other boys C.boys D.other boy B2612.-What do you think of Miss Lis teaching?-Oh,no one else teaches _than her A.good B.well C.fine D.betterD2713.The population of Japan is than that of China.fewer B.smaller A.C.larger D.moreC2814.The next day Jim was ver
13、y wet again,and his mother became angrier.A.very B.more C.even D.everC2914.The next day Jim was very wet again,and his mother became angrier.A.very B.more C.even D.everC3015.Tom is more careful than any in his class.A.boy B.other boys C.boys D.other boyB31Do some exercises同义句转换同义句转换 He is the talles
14、t student in his class.He is _ _ _ _ student in his class.He is _ _ _ _ students in his class.Peter draws well,Lilei draws better.Lilei draws _ of the two.taller than any other taller than the otherbetter323.The tractor goes faster than the bike.The bike goes _ _ than the tractor.4.His cakes dearer
15、than the twins cakes.His cake is _ _ of the threemore slowlythe dearest33选择填空选择填空Which does Jimmy like ,Chinese or Art?A.well B.best 1.C.better D.muchC342.The Chang jiang River is one of in the world.the longest river B.longest rivers C.the longest rivers D.longer riversC35v3._of the two women is Mr
16、s Brown.vA.The beautiful vB.The more beautiful vC.More beautiful vD.The most beautifulB364.My mooncake is nicer his.A.like B.with C.for D.than D375.You are fatter than .A.he B.his C.him D.he is tall386.He jumps of the three.A.far B.further C.farthest D.furthest397.My hair is longer than .my sister B
17、.Kate A.C.my brothers D.Lucys40v8.There is _paper here.Please bring some.v A.little B.less vC.fewer D.a little419.The pen is_than that one.A.more cheap B.cheap C.much cheaper D.quite cheaper4210.Tom speaks Chinese_better than Jimmy.A.more B.very C.a lot of D.much4311.There are girls in Class Two tha
18、n in Class Four.A.more B.nicest C.most D.best 4412.Its too for you to do that.A.easy B.more dangerous C.harder D.the easiest4513.Who has apples now,Jim,Lily or Lucy?A.much B.biggest C.better D.the most46v14.You have more rulers than me.But are nicer than .vA.mine,yours v B.mine,your v C.my,yours v D
19、.my,your47v15.Tingting is_than Meimei,but Meimei is_ than Tingting.v A.tall,stronger v B.taller,strongest v C.tallest,strong v D.taller,stronger4816.Mother is in my family.A.busy B.busier C.the busiest D.more busy49v18.The dumplings are than the noodles,I think.v A.more nicer v B.much delicious v C.
20、very nice v D.much more delicious5019.She is than me at drawings.A.better B.best C.good D.harder 51v20.-This blue sweater is too big for me.v-Will you please show me a_ one?v A.small v B.smaller v C.the smallest v D.smallest5221The pen is than that one.A.more cheap B.cheap C.much cheaper D.quite che
21、aper5322.Tom speaks Chinese_better than Jimmy.A.more B.very C.a lot of D.much5423.There are girls in Class Two than in Class Four.A.more B.nicest C.most D.best5523.Its too for you to do that.A.easy B.more dangerous C.harder D.the easiest5613.Who has _ apples now,Jim,Lily or Lucy?A.much B.biggest C.b
22、etter D.the most 5714.You have more rulers than me.But are nicer than .A.mine,yours B.mine,your C.my,yours D.my,your5815.Tingting is than Meimei,but Meimei is than Tingting.A.tall,stronger B.taller,strongest C.tallest,strong D.taller,stronger5916.Mother is in my family.A.busy B.busier C.the busiest
23、D.more busy6018.The dumplings are than the noodles,I think.A.more nicer B.much delicious C.very niceD.much more delicious61v形容词、副词的比较级和最高级的用法:v当两种物体之间相互比较时,我们要用形容词或副词的比较级;v当相互比较的物体是三个或三个以上时,我们就要用形容词或副词的最高级。62形容词、副词的比较级和最高级的变化规律:1.单音节形容词或副词后面直接加-er或-esttalltallertallest fastfasterfastest2.以-e结尾的单音节形容
24、词或副词直接加-r或-stlargelargerlargest nicenicernicest63v.3以-y结尾的形容词或副词,改-y为-i再加-er或-estvbusybusierbusiest v earlyearlierearliestv4.形容词或副词是重读闭音节时,双写最后的辅音字母,再加-er或-estvhothotterhottest vbigbiggerbiggest64v5.多音节形容词或副词前面直接加more或mostvdeliciousmore deliciousmost deliciousvbeautifulmore beautifulmost beautiful 6
25、.不规则变化good(well)betterbest bad(badly)worseworst65v形容词、副词的比较级和最高级的句子公式:v比较级v形容词物体A+am/are/is+形比+than+物体B.vI am taller than you.vPasta is more delicious than pizza.66v副词物体A+行为动词+副比+than+物体B.vCheetahs run faster than goats.vHe studies better than me.67v最高级v1)物体A+am/are/is+the+形最高级+比较范围(of+人/物,in+地方).vI
26、 am the tallest in the class.vPasta is the most delicious food of the three.v 68v2)物体A+行为动词+副词最高级+比较范围(of+人/物,in+地方).vCheetahs run fastest in the world.vHe studies best of us.69v一.词形变换。v比较级 最高级vlarge _ _vfast _ _veasy _ _vwet _ _vgood _ _vmportant _ _70vwell _vbad _vmany _vlittle _vfar _vstrong _ vp
27、atient _vsafe _vexpensive _71v二.选择填空。v1.Birds can fly _,eagles can fly_than birds.They fly _ in the world.(high,higher,highest)v2.I am _ than my brother,but my little sister is the _of us.(fat,fatter,fattest)v3.Which can swim _,fish or sharks?(well,vbetter,best)72v4.The green book is a _ book,but th
28、e red onevis much _ than the green one.Its thev_ book in the bookshop.(nice,nicer,nicest)v5.Look at that boy,he is running _ (fast,vfaster).v6.I think that book is _ (good,better)forvyou.7311Mr Hare runs much _ (fast,faster)than Mr Turtle.Mr Hare neednt run_(fast,faster)now.12.In the gym,Tommy is pl
29、aying table tennis _(well,better)than Jimmy.13.This book is very _ (interesting,more interesting),but that one is_(interesting,more interesting)than it.747.The new library has _(many,more)books thanthe old one.8.Sally is _ (tall,taller)than her cousin.9.Our school is much _(large,larger)than yours.1
30、0.Look,Janet is jumping _(high,higher)than Mike.75v14.The film is the _(horrible,more horrible,most horrible)film of all.15.Its summer now.The weather is getting _.(hot and hot,hotter and hotter,hottest and hottest)16.The U.S.A.is one of _(richer,most rich,the richest)countries in the world.76v三.用所给
31、单词的适当形式填空。v1.My school is _,but Toms school is_ than mine.And Sallys school is the_.(small)2.Rabbits can run _,but tigers can run_ than rabbits,and cheetahs can run_ of the three.(fast)77v3.Pig is _,but deer is _ than pig,and elephant is the_(heavy)4.Im _,but she is _ than me.(beautiful)5.Every day is _.But today is the_ day I have ever had.(busy)6.I think pizza is the _ food of all.(delicious)78v四.汉译英。v1.她比我漂亮。(pretty)v_v2.我学习比他们好。(well)v_v3.她是我们中间最漂亮的。(pretty)v_v4.我学习是全班上最好的。(well)