形容词和副词比较级

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1、形容词：用于修饰名词或代词，描述被修用于修饰名词或代词，描述被修饰成分的性质、特征、状态或属性等。饰成分的性质、特征、状态或属性等。Eg.This is a good book.(修饰名词修饰名词book)She is beautiful.(修饰代词修饰代词she)副词：主要用于修饰动词、形容词和副词，整个主要用于修饰动词、形容词和副词，整个句子，描述被修饰成分的特征或状态。句子，描述被修饰成分的特征或状态。Eg.Jim plays basketball well.(修饰动词修饰动词play)She is very beautiful.(修饰形容词修饰形容词beautiful)Jim play

2、s basketball very well.(修饰副词修饰副词well)第1页/共43页Exercises:1.We should have a _ diet.(health)2.We shouldnt eat _ food.(health)3.I would like to have _ rice dumplings.(salt)4.Though my grandpa is over 80,he still lives _.(health)5.The teacher made a _ to us just now.(suggest)6.Tom looks _ in that blue ov

3、ercoat.(fun)healthy unhealthy saltyhealthilysuggestionfunny第2页/共43页7.I like _ fish(steam)because it tastes _.(taste)8.You can buy ice-cream in the _ food section.(freeze)9.People usually wear heavy coats in _ weather.(freeze)10.Dont talk _ in class.(loud)steamed tastyfrozen freezing loudly第3页/共43页形容

4、词和副词的比较等级形容词和副词的比较等级（假设（假设A和和B为进行比较的人或事物）为进行比较的人或事物）1、原级、原级：使用形容词或副词：使用形容词或副词原形原形，表示，表示A与与B一一样（或不一样）样（或不一样）as+形容词、副词的原级形容词、副词的原级+as;not as/so形容词、副词的原级形容词、副词的原级as;not as-as2、比较级、比较级：使用形容词或副词：使用形容词或副词比较级形式比较级形式，表，表示示A与与B二者相比哪一个二者相比哪一个更更。用。用than连接。连接。3、最高级、最高级：使用形容词或副词：使用形容词或副词最高级形式最高级形式，表，表示三者（或三者以上）相

5、比哪一个示三者（或三者以上）相比哪一个最最。in+地点范围；地点范围；of+与主语一致的范围与主语一致的范围 第4页/共43页形容词或副词比较级和最高级的构成1）规则变化 单音节词和少数双音节词词尾单音节词和少数双音节词词尾加加er/est变为比较级变为比较级/最高最高级。（加级。（加er/est方法与动词变过去式加方法与动词变过去式加ed方法相同）。方法相同）。Eg.tall taller/tallest nice nicer/nicest big bigger/biggest easy easier/easiest clever cleverer/cleverest(clever双音节双音

6、节)多音节词和一些双音节词在该词前多音节词和一些双音节词在该词前加加more/most变为变为比较级比较级/最高级。以最高级。以ly结尾的副词除结尾的副词除early以及不规则变化以及不规则变化外，也应加外，也应加more/most。Eg.interesting more/most interesting careful more/most careful slowly more/most slowly第5页/共43页 1.一般在词尾后加一般在词尾后加 er 或或est.tall-taller-tallest ；long-longer-longest young-younger-younges

7、t ；soon-sooner-soonest clever-cleverer-cleverest ；fast-faster-fastest cold-colder-coldest ；near-nearer-nearest bright-brighter-brightest ；short-shorter-shortest new-newer-newest ；high-higher-highest low-lower-lowest ；slow-slower-slowest形容词或副词比较级和最高级的构成形容词或副词比较级和最高级的构成第6页/共43页 2.以不发音 的元音“e”结尾的形容词,加r或

8、st.close-closer-closest；strange-stranger-strangestfine-finer-finest ；large-larger-largestwide-wider-widest ；white-whiter-whitest nice-nicer-nicest ；late-later-latest第7页/共43页 3.以辅音字母加以辅音字母加“y”结尾的形容词结尾的形容词,先把先把“y”变变为为“i”,再加再加er或或est.angry-angrier-angriest ；busy-busier-busiestcloudy-cloudier-cloudiest

9、；dirty-dirtier-dirtiestearly-earlier-earliest ；easy-easier-easiest happy-happier-happiest ；heavy-heavier-heaviest 第8页/共43页.以重读闭音节结尾的形容词，如末尾只有一个辅音字母，应 先双写这一个辅音字母，再加er或est.big-bigger-biggest ；thin-thinner-thinnest fat-fatter-fattest ；wet-wetter-wettest hot-hotter-hottest ；red-redder-reddest多音节形容词和 副词的

10、比较级和最高级构成：加more/most:difficult-more difficult-most difficult modern-more modern-most modern interesting-more interesting-most interesting 第9页/共43页形容词或副词比较级和最高级的构成形容词或副词比较级和最高级的构成2）不规则变化）不规则变化:good/well better,best bad/badly/ill worse,worst many/much more,most little less,least *old older,oldest 年长的；

11、老的；旧的年长的；老的；旧的 elder,eldest（亲戚关系中）年长的（亲戚关系中）年长的 *far farther,farthest 远的远的 further,furthest 远的（有更加、进一步远的（有更加、进一步 的含义）的含义）补充说明补充说明：few fewer,fewest friendly friendlier,friendliest(adj.)more/most friendly often more often,most often 第10页/共43页Exercises:请将下列词变成比较级和最高级bright -long -late -wide -angry -pop

12、ular -quickly -good -bad -brighter,brightestlonger,longestlater,latestwider,widestangrier,angriestmore/most popularmore/most quicklybetter,bestworse,worst第11页/共43页形容词或副词各比较等级的基本用法第12页/共43页1、原级原级：使用形容词或副词原形，表示使用形容词或副词原形，表示A与与B一样（或不一样）一样（或不一样）。主要用于主要用于A as as B（肯定句）（肯定句）A as/soas B(否定句）否定句）结构。结构。Eg.1)

13、Jim is 160 cm tall.Mike is 160 cm tall.Jim is as tall as Mike.Jim is not so tall as Mike.2)This road is 5 metres wide.That road is 5 metres wide.This road is as wide/narrow as that one.This road is not as wide/narrow as that one.第13页/共43页2)Jim works hard.Mike works hard,too.Jim works as hard as Mike

14、.Jim doesnt work so hard as Mike.3)Mike does his work carefully.Tom does his work carefully,too.Mike does his work as carefully as Tom.Mike doesnt do his work as/so carefully as Tom.4）Father goes to work early.Mother goes to work early,too.Father goes to work as early as mother.Father doesnt go to w

15、ork as/so early as mother.第14页/共43页Exercise:1.Mary is 5 years old.Jane is 5 years old,too.2.These boxes are 20 kilos heavy.Those boxes are 20 kilos heavy,too.3.This film is interesting.That film is interesting,too.Mary is as old/young as Jane.These boxes are as heavy/light as those ones.This film is

16、 as interesting as that one.第15页/共43页4.Toms grandfather is healthy.Tims grandfather is healthy,too.5.John runs fast.Mike runs fast,too.6.John jumps high.Mike jumps high,too.7.My father goes to work early.Toms father goes to work early,too Toms grandfather is as healthy as Tims grandfather.John runs

17、as fast as Mike.John jumps as high as Mike.My father goes to work as early as Toms father.第16页/共43页同义变化：1.Tim is as old/young as Mike.2.This road is as wide/narrow as that one.3.This river is as deep/shallow as that one.4.This building is as high/low as that one.5.This box is as heavy/light as that

18、one.Tim is the same age as Mike.This road is the same width as that one This river is the same depth as that one.This building is the same height as that one.This box is the same weight as that one.第17页/共43页6.This room is as big/small as that one.7.This pencil is as long/short as that one.7.Mary is

19、as tall/short as Jane.This room is the same size as that one.This pencil is the same length as that one.Mary is the same height as Jane.第18页/共43页2、比较级、比较级：使用形容词或副词比较级形式，使用形容词或副词比较级形式，表示表示A与与B 二者相比哪一个更二者相比哪一个更。主要用于主要用于A than B 结构。结构。Eg.1)Jim is 160 cm tall.Mike is 156 cm tall.Jim is taller than Mike.

20、2)Mike works hard.Jim works very hard.Jim works harder than Mike.第19页/共43页3.This building is 5 meters tall.That building is 6 meters tall.4.These boxes are 40 kilos heavy.Those boxes are 45 kilos heavy.5.Tom does his homework carefully.Mike does his homework very carefully.This building is lower tha

21、n that one./That building is higher than this one.These boxes are lighter than those ones.Those boxes are heavier than these one.Mike does his homework more carefully than Tom.第20页/共43页6.Sound travels quickly.Light travels very quickly.7.Mary speaks English fluently.Jane speaks English very fluently

22、.8.Tom listens to the teacher carefully.Tim listens to the teacher very carefully.Light travels more quickly than sounds.Jane speaks English more fluently than Mary.Tim listens to the teacher more carefully than Tom.第21页/共43页比较级用法扩展1）比较级前面可以有比较级前面可以有much,a little/a bit,a lot,even,far,still 等修饰语。等修饰语

23、。This book is much better than that one.好得多好得多2）比较级比较级，表示越来越比较级比较级，表示越来越 hotter and hotter 越来越热越来越热 more and more beautiful 越来越漂亮越来越漂亮3)上下文的提示：上下文的提示：After the medicine,the sick man becomes _.(bad)The lady looks _ after having a good rest.(healthy)worse healthier第22页/共43页 4.定冠词加比较级，再加定冠词加比较级：越-；越-1)

24、The harder you are,the better you will be.2)The more careful you are,the better marks you will get.3)The more exercise you take,the healthier you will be.5.在两者之间选择：Which subject do you like better,maths or Chinese?第23页/共43页注意:than 后面的人称代词用主格或宾格都可以。He is taller than I(am).He is taller than me.补充：He i

25、s the taller of the two boys.第24页/共43页Exercises:1.Our classroom looks _than theirs.(big)2.Unit 9 is _ than Unit 8.(difficult)3.Mike studies _ after the teacher had a talk with him.(hard)4.Mother gets up _ than father.(early)5.Our life is _ than before.(good)6.This film is _ than the one we saw last

26、week.(interesting)7.My _ sister is a university student.She is one year _ than I .(old)bigger more difficult harder earlierbettermore interesting elder older 第25页/共43页8.Our country has become _ and _ in the past twenty years.(strong,rich)9.In fact,Delia is a little _ than her elder sister.(tall)10.M

27、other looks even _.(angry)11.Shanghai is _ than that city.(modern)12.Mary speaks English _ than Jane.(fluently)13.I feel much _.(cold)14.The next morning Jenny got up even _ (early)strongerrichertallerangriermore modernmore fluently colderearlier第26页/共43页比较级与同级比较的转换：1.This building is lower than tha

28、t one.2.My brother is older than I.3.Mr Black looks stronger than Mr Smith.This building isnt as high as that one.That building isnt so low as this one My brother isnt as young as I.I am not as old as my brother.Mr Black doesnt look as weak as Mr Smith.Mr Black doesnt look as strong as Mr Black.第27页

29、/共43页 4.Tom does his homework more carefully than Jack.5.Unit 9 is easier than Unit 10.6.Mother gets up earlier than father.Tom doesnt do his homework as carelessly as Jack.Jack doesnt do his homework as carefully as Tom.Unit 9 isnt as difficult as Unit 10.Unit 10 isnt as easy as Unit 9.Mother doesn

30、t get up so late as father.Father doesnt get up so early as mother.第28页/共43页3、最高级：使用形容词或副词最高级形式，表示三者（或三者以上）相比哪一个最。主要用于the in/among/of+所包含人或事物的数量3的集合短语结构。Eg.1)Jim is the tallest in our class.2)Jim works(the)hardest of all the boys.最高级用法扩展 第29页/共43页1.one of+形容词最高级+名词复数-表：-之一 1).Tom is one of the cleve

31、rest students in our class.2).Edison was one of the most famous inventors in the world.2.在定语从句中:1)This is the funniest story that I have ever heard.2)This is the most interesting story that she has ever read.第30页/共43页3.表示第几大时 The Amazon is the second longest river in the world.The Yangtze is the thi

32、rd longest river in the world.4.在几者之间选择：Which subject do you like best,maths,Chinese or English?第31页/共43页Exercise:John is the oldest of the three boys.Tom is the youngest of the three boys.Tom is 5 years old.Mike is 6 years old.John is 7 years old.第32页/共43页第33页/共43页第34页/共43页Exercises:1.Emily sings _

33、 of the five girls.(well)2.Of all the stars the sun is _ to us.(close)3.William Shakespeare is one of _ play writers in England.(great)4.The cartoon Tarzan is _ film I have ever seen.(wonderful)5.He is _ boy of us all.(strong)6.Hangzhou is one of _ cities in China.(beautiful)best the closest the gre

34、atest the most wonderfulthe strongest the most beautiful 第35页/共43页7.Eddie runs _ among the four boys.(quickly)8.My grandpa looks _ among the five old men.(healthy)9.Mother gets up _ in my family.(early)10.Jack studies _ in my class.(hard)most quickly the healthiest the earliest the hardest 第36页/共43页

35、最高级用法扩展最高级用法扩展形容词最高级前的形容词最高级前的the在以下几种情况下可以省略：在以下几种情况下可以省略：1）该形容词前有物主代词或名词所有格。该形容词前有物主代词或名词所有格。He is my/Jims best friend.2）比较含义模糊。比较含义模糊。We are busiest on Monday.This is a most interesting book.这里的这里的most相当于相当于very。补充补充：China is one of the most beautiful countries.The Yellow River is the second long

36、est river in China.第37页/共43页原级，比较级，最高级三者间的互换：Tom is the tallest student in our class.Tom is taller than any other student in our class.Tom is taller than anybody else in our class.Tom is taller than anyone else in our class.Nobody else is taller than Tom in our class.No one else is taller than Tom i

37、n our class.Nobody else is as tall as Tom in our class.No one else is as tall as Tom in our class.第38页/共43页Exercises:根据所给提示词填空。1.My house is _(large)than Jims.2.Today is much _ (warm)than yesterday.3.Which book is _(interesting),this one or that one?4.Kate is _(good)than me at English.5.Who is _(tal

38、l)boy in your class?6.Mike runs _(fast)of all the students.7.I have _(much)money than you.8.Yesterday was my _(happy)day in my life.9.My brother is not so _(strong)as me.10.Mr Smith is the _(short)of the two men.largerwarmermore interestingbetterthe tallest(the)fastestmorehappieststrongshorter第39页/共

39、43页 观察下列各句，辨别括号中单词的词类。1.He is a(fast)worker.2.He works very(fast.)3.Thats a(hard)math problem.4.You have to work(hard)at your lessons 5.I feel(better)now.6.He plays football(better)than I.7.Tom draws(worse)than his brother.8.He was(worse)than his brother.9.Of all the boys,he reads(best.)10.Of all th

40、e boys,he is the(best.)11.That plane flew(high)that day.第40页/共43页 12.That plane is(high)in the sky now.13.A(straight)line is the shortest between 2 points.14.Stand (straight).15.He always speaks in a (low)voice.16.He is a clever businessman.He always buys (low)and sells high.17.At the end of the str

41、eeet,there is a(low)wall.18.We didnt go(far)because we knew that famous place was too(far)away.19.He is a (slow)boy.Hes always (slow)to make up his mind.And he even likes to take a(slow)train when he travel.20.Please tell the driver to go(slower).21.The(last)time I saw you was the last Sunday in June.第41页/共43页 22.She was very well when I(last)saw her.23.The train was ten minutes(late).24.He arrived home(late)last night and he got up late this morning.25.Not many people write with the(left)hand.26.Please turn(left)now.第42页/共43页感谢您的观看！第43页/共43页