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1、young-yonger-yongest old older-oldest tall-taller-tallest small-smaller-smallestearly-earlier-earliest thirsty-thirstier-thirstiest1.一般情况下加-er 或est:2.以字母e结尾的形容词，加-r 或-st4.以“辅音字母y”结尾的双音节词，先改“y”为“i”，再加-er 或-est.bigbigger-biggest fatfatter-fattest形容词比较级最高级规则形容词比较级最高级规则nice nicer-nicest safe safer-safes
2、t3.重读闭音节词只有一个辅音字母时，应先双写辅音字母，再 加-er或-est.一一5.5.部分双音节词或多音节词前面加部分双音节词或多音节词前面加more,most.如:interesting more interesting most interestingfamous more famous most famous原级比较级最高级good/wellbetterbestbad/illworseworstmany/much moremostlittlelessleastfaroldolder elderoldest eldestfartherfurther farthest furthest
3、两多、两多、两坏、两坏、两多、两多、一少、一少、一老一老、一远一远.Read and compare:younglongfullshortsmalloldfineeasyhungryearlyheavybigredyounger youngestlonger longestfuller fullest shorter shortestsmaller smallestolder oldest finer finesteasier easiesthungrier hungriest earlier earliestheavier heaviestbigger biggest redder redd
4、esthealthymanyfamousillexcitingcarefullywet hotlittlefewhealthier healthiestmore mostmore famous most famousworse worstmore exciting most excitingmore carefully most carefullywetter wettesthotter hottestless leastfewer fewest二二.形容词、副词比较等级的用法形容词、副词比较等级的用法1.原级原级:可用可用very,quite,so,too,等词修饰等词修饰.e.g Jim
5、is very tall.2.比较级比较级:可用可用much,many,a lot,a little,a bit 等修饰等修饰.其主其主要句型有：要句型有：比较级比较级+than e.g Mary is much younger than Sue.疑问句疑问句+动词动词+比较级比较级,AorB?e.g Who draws better,Tom or Jim?Which like better,A or B?e.g Which do you like better,maths or English?比较级比较级+and+比较级，表示越来越比较级，表示越来越e.g the days are get
6、ting shorter and shorter.the+比较级比较级,the+比较级比较级,表示越表示越越越 e.g he says,”the busier,the better.”3.最高级:形容词的最高级要加定冠词the,副词最高级可省略the,主要句型有:the +最高级+ofinJim works hardest of us all.My mother is the busiest in my familye.g 疑问词疑问词+动词动词+最高级最高级 which like best,A,B or C?三三.使用比较级和最高级的几个注意点使用比较级和最高级的几个注意点比较应在同类事物中
7、进行比较应在同类事物中进行.避免双重比较避免双重比较.比较级和最高级前的修饰语不可误用比较级和最高级前的修饰语不可误用.最高级后的介词最高级后的介词in与与of.a.in 表示表示“在在内内(指某范围内指某范围内)”可以跟表示可以跟表示单位单位,组织组织,时间等单数名词时间等单数名词.b.of表示属性表示属性(指在同类的人指在同类的人,物中物中)后可接后可接 the+基数词基数词/the+基数词基数词+名词复数名词复数/all+the+复数名词复数名词/all形容词的最高级前要用形容词的最高级前要用the比较级前加比较级前加the.Do some exercises同义句转换同义句转换1.He
8、 is the tallest student in his class.He is _ _ _ _ student in his class.He is _ _ _ _ students in his class.2.Peter draws well,Lilei draws better.Lilei draws _ of the two.3.The tractor goes faster than the bike.The bike goes _ _ than the tractor.4.His cakes dearer than the twins cakes.His cake is _
9、_ of the three.taller than any other taller than the otherbettermore slowlythe dearest选择填空选择填空1.Which does Jimmy like ,Chinese or Art?A.well B.best C.better D.much2.The Chang jiang River is one of in the world.A.the longest river B.longest rivers C.the longest rivers D.longer rivers3.of the two wome
10、n is Mrs Brown.A.The beautiful B.The more beautiful C.More beautiful D.The most beautiful4.My mooncake is nicer his.A.like B.with C.for D.than 5.You are fatter than .A.he B.his C.him D.he is tall6.He jumps of the three.A.far B.further C.farthest D.furthest7.My hair is longer than .A.my sister B.Kate
11、 C.my brothers D.LucysCCBDACC8.There are paper here.Please bring some.A.little B.less C.fewer D.a little9.The pen is than that one.A.more cheap B.cheap C.much cheaper D.quite cheaper10.Tom speaks Chinese better than Jimmy.A.more B.very C.a lot of D.much 11.There are girls in Class Two than in Class
12、Four.A.more B.nicest C.most D.best 12.Its too for you to do that.A.easy B.more dangerous C.harder D.the easiest13.Who has apples now,Jim,Lily or Lucy?A.much B.biggest C.better D.the most 14.You have more rulers than me.But are nicer than .A.mine,yours B.mine,your C.my,yours D.my,your15.Tingting is t
13、han Meimei,but Meimei is than Tingting.A.tall,stronger B.taller,strongest C.tallest,strong D.taller,strongerACDAADAD16.Mother is in my family.A.busy B.busier C.the busiest D.more busy17.There are in the park on Sunday.A.more children B.a lot of people C.much men and women D.many peoples18.The dumpli
14、ngs are than the noodles,I think.A.more nicer B.much delicious C.very nice D.much more delicious19.She is than me at drawings.A.better B.best C.good D.harder 20.-This blue sweater is too big for me.-Will you please show me a one?A.small B.smaller C.the smallest D.smallestCBDAB改错改错1.Lesson 9 is more
15、easier than Lesson 10.2.My mother is younger than your.3.He is one of longest boys in his class.4.The boy doesnt draw much well.5.Betty is the youngest on the three girls.6.Tom runs faster than any other girl in his class.7.There is fewer bread in the fridge.8.Mother is the busiest of my family.9.Jim is shorter of the two boys.10.You can jump very higher on the moon than on the earth.yoursthe longestveryoflessinthe shortermuch