Unit3.知识点VIP专享VIP免费

1.doyouthinkyouaredifferentfromyoursister.你认为你不同于你的姐姐吗？bedifferentfrom与differfrom同义，同时是differfrom的另一种表达方式，并且比differfrom更为口语化。如：Americancarsaredifferentfromours.=Americancarsdifferfromours.Explanation2.…welooksimilar,butwe’reverydifferent.looksimilar看上去相似lookthesame看上去一样looklike…看上去像……lookalike看上去相像3.BothTomandSamcanplaythedrums,butSamplaysthembetterthanTom.1)both“两个、两者都……”,在句中可作代词、形容词、副词、连词。作副词时常放在be动词之后,实义动词之前。e.g.Both(of)hisparentsaredoctors.(作代词或形容词)=Hisparentsarebothdoctors.(作副词)Theybothwentcampingintheholiday.(作副词)BothEnglishandmathareveryimportant.(both…and…短语常连接两个并列的成分,可连接名词、动词、形容词和代词等)注:both指两者都,all指三者或三者以上都。一、按要求写出下列各词的正确形式1easy(比较级)：___________2different(名词)：_________3many(比较级):______4serious(比较级):_____________5friendly(比较级):_________easierdifferencemoremoreseriousfriendlier练习练习6funny(比较级)_________7outgoing(比较级)_______8quiet(反义词)_________9tall(反义词)____________10beautiful(比较级)______________morebeautifulmoreoutgoingloudshorteasier二、句型转换。1.Thispicturelooksbeautiful,butthatonelooksmorebeautiful.(同义句)Thatpicturelooks______________________thisone.2.ShehaslongerhairthanEmma.(同义句)Herhairis____________________.3.Helenstudieshardestinherclass.(同义句)Helenstudies________than_____________studentinherclass.morebeautifulthanlongerthanEmma'sharderanyother4.Myfatheristwoyearsolderthanmymother.(同义句)Mymotheris_____________________thanmyfather.5.LiLeiistallerthanhistwinbrother.(同义句)LiLeiis_______________ofthetwins.6.Daveisheavy,buthecanrunveryfast.(上同)________Daveisheavy,hecanrunveryfast.twoyearsyoungerthetallerThough1.Ifyouwanttobethinnerandhealthier,you’dbettereat____foodandtake____exercise.A.more,fewerB.more,lessC.fewer,moreD.less,more三.选择2.He’s____thanhisbrother.A.strongB.strongerC.thestrongerD.thestrongest3.Whichdoyoulike____,teaorcoffee?A.goodB.betterC.bestD.thebetter4.Mum,thisT-shirtismuchtoosmallforme.Wouldyoubuymea____one?A.goodB.betterC.largeD.larger141.什么是形容词的原级？表示修饰两种东西的程度是一样的,用as….as表示原级，译为:“和…一样”。2.什么是形容词的比较级？表示两者相比，一个比另一个更…，有比较级的句中有than,且仅限于两者比较。15原级和比较级区分程度的不同：原级是说明两个人物或事物的程度是一样。比较级是区分两个人物或事物的程度不一样。16当两个人或两件事物进行比较时，形容词和副词要用比较级，也就是词尾-er形式，比较级常常用than来连接被比较的两个人或事物。e.g.Iamshorterthanyou.17Theredcariscute.Thebluecar______________theredcar.(蓝车比红车更可爱）iscuterthan18Theredappleisbig.Thegreenappleis_______theredone.biggerthan19大多数形容词和副词有三个等级：原级、比较级、最高级。一、形容词比较级的构成1.构成的不规则变化:2.构成的规则变化:201.构成的不规则变化:e.g.good/well–better–bestbad/badly–worse–worstmany/much–more–mostlittle–less–leastfar–farther/further–farthest/furthest212.构成的规则变化:1)单音节词和少数双音节词一般在词尾后加-er构成比较级或-est构成最高级.如：原级比较级最高级cold–——colder–——coldestbright———brighter———brightestyoung——younger——youngest222)以字母e结尾的词只加–r或-st构成比较级和最高级。原级比较级最高级nice———nicer–———nicestfine———finer————finestlarge——larger————largest2...