1、Unit 3Im more outgoing than my sister.my soccer ballJacks soccer ballMy soccer ball is _ than Jacks soccer ball.Jacks soccer ball is _ than my soccer ball.smallerbiggerMr.BrownMr.GreenMr.Brown is _ Mr.Green.Mr.Green is _ Mr.Brown.heavier thanthinner thanHelenAnnaHelen is _ than Anna.Anna is _ than H
2、elen.quietermore outgoingMr.BeanMr.Bean is _ than Bai Yansong.Bai Yansong is _ than Mr.Bean.funnier more serious MikeAliceMike gets up _ than Alice.Alice gets up _ than Mike.earlierlater1.形容词的原级/原形。原形。2.形容词的比较级 表示两者相比，一个比另一个表示两者相比，一个比另一个更更，有比，有比 较级的句中有较级的句中有than,且仅限于且仅限于两者比较两者比较。形容词和副词的原级和比较级形容词或副词的
3、比较级形式：形容词或副词的比较级形式：small smaller quiet quieterthin thinnerearly earlieroutgoing more outgoing 原形原形比较级比较级late later二、构成二、构成 1.规则变化规则变化 构成方法原级比较级talltallerfinefinerbigfatbiggerfatterheavyearlyheavierearlieroutgoing more outgoing单音单音节词节词和部和部分双分双音节音节词词一一般在词尾加般在词尾加-er以字母以字母e结尾，在词尾加结尾，在词尾加-r重读闭音节结尾且末尾只有重读
4、闭音节结尾且末尾只有一个辅音字母，双写该辅音一个辅音字母，双写该辅音字母，再加字母，再加-er以以“辅音字母辅音字母+y”结尾的双结尾的双音节词，先把音节词，先把“y”改为改为“i”,再加再加-er在词前加在词前加more多音节词和部分双音节词2.不规则变化不规则变化原级原级比较级比较级good/wellbetterbad/badlyworsemany/muchmorelittlelessfarfartherfurther注意：注意：通过通过在形容词尾加在形容词尾加ly构成的副词构成的副词的比较级加的比较级加more构成。构成。比较级通常比较级通常不能不能与定冠词连用，但当句中有与定冠词连用，
5、但当句中有of the two时，则用时，则用the。写出下列单词的比较级。写出下列单词的比较级。funnyquietsmartoutgoingquicklyfattallnicebigheavydifficultoldlateexpensivethin earlyhighinteresting写出下列单词的比较级。写出下列单词的比较级。funnyquietsmartoutgoingquicklyfatfunnierquietersmartermore outgoingmore quicklyfattertallnicebigheavydifficultold oldertallernicer
6、biggerheaviermore difficultlateexpensivethin earlyhighinterestingmore interestinglatermore expensivethinnerearlierhigher常用句式常用句式1.两者进行比较，表示两者进行比较，表示“一方比另一方更一方比另一方更”1)A+be+形容词比较级形容词比较级+than+B如：我比我妹妹高。如：我比我妹妹高。I am taller than my sister.2)A+实义动词实义动词+副词的比较级副词的比较级+than+B如：他跑得比我快。如：他跑得比我快。He runs faster
7、than me.2.两者进行比较，表示两者进行比较，表示“一方与另一方一样一方与另一方一样”1)A+be+as+形容词原级形容词原级+as+B如：如：Peter和和Paul一样瘦。一样瘦。Peter is as thin as Paul.2)A+实义动词实义动词+as+副词原级副词原级+as+B如：他工作和如：他工作和Jane一样努力。一样努力。He works as hard as Jane.3aUse the words to write questions and answers.1.Julie/tall/you2.Jack/run/fast/Sam Q:_ A:No,he doesnt
8、.He runs _ than Sam.Q:Is Julie as tall as you?A:No,she isnt.Shes _ than me.Does Jack run as fast as Sam?tallerfaster3.your cousin/outgoing/you Q:_ A:No,she isnt.She is _ than me.Is your cousin as outgoing as you?4.Paul/funny/Carol Q:_ A:No,he isnt.He is _ than Carol.more outgoingIs Paul as funny as
9、Carol?funnier3bThink of yourself two years ago.Write about how you are different now.1.Are you taller?Yes,I am.Im taller now than I was two years ago.2.Are you funnier?Yes,I am.Im funnier than I was two years ago.No,Im not.Im not as funny as I was two years ago.3.get/become and 变得越来越变得越来越 get/become
10、后面接后面接“比较级比较级+and+比较级比较级”，这是表，这是表示示“变得越来越变得越来越”。若比较级是加。若比较级是加-er构成的，则用构成的，则用“比较级比较级+and+比较级比较级”的形式。如比较级是多音节词，的形式。如比较级是多音节词，就用就用“more and more+原级原级”结构。结构。如：如：Your English is getting better and better.She becomes more and more popular.4.“the+比较级比较级+of the two”表示表示“两者中两者中较较的的”。如：如：Peter is the taller o
11、f the two.补充句式补充句式5.“the+比较级比较级+其它，其它，the+比较级比较级+其它其它”，此句型表示此句型表示“越越，就越，就越”。如：如：The higher you stand,the farther you can see.6.Which/who,A or B?“哪个哪个/谁更谁更，A还还是是B？”or与选择疑问句相连，且有两者提供选择，前与选择疑问句相连，且有两者提供选择，前面的形容词要用比较形式。面的形容词要用比较形式。如：如：Which do you like better,water or orange juice?注意注意：1.在比较级前可用在比较级前可用m
12、uch/a lot（得得多）多）,even（甚至）（甚至）,still（更）（更）,a little（一（一点）点）,a bit（有点）等来修饰，表示程度进一（有点）等来修饰，表示程度进一步加深。步加深。very,quite,too,enough后只能接形容词或副后只能接形容词或副词的原级。词的原级。如：如：Kate is a little taller than Mary.1.My hair is _(long)than my sisters.2.I am _(tall)than you.3.She is _ _(outgoing)than me.Fill in the blanks.tal
13、lerlongermore outgoing4.Lily sings _(well)than Lucy.5.I have _(short)hair than Tina.7.Jack doesnt work as_(hard)as Tom.6.Who is _ _(hard-working),Tina or Tara?hardbettershortermore hard-working1.Its much _ to have a small lovely room than a big cold one.A.good B.wellC.better D.best 2.Sam and Sandy a
14、re twin brothers.But Sam is _ than Sandy.A.more outgoing B.very outgoingC.the most outgoing 3.Air pollution(污染污染)has become _ than ever before.We must do something to stop it.A.serious B.more serious C.most serious D.the most serious 4.What do you think of receiving(收到收到)and giving gifts?I think the art of receiving a gift is _ than the art of giving.A.much more difficult B.very more difficult C.much difficult D.as difficult as 5.It is not so _ as yesterday,so there are _ people walking in Tuan Chengshan Park today.A.cold;fewer B.warm;moreC.cold;more D.warm;most
