八年级英语unit3形容词副词比较级和最高级及练习题

形容词、副词形容词用于描绘人或事物的特征的词。形容词的用法修饰名词，表示名词的属性。在句子中充当表语、定语和宾补。1)用作定语,修饰名词或代词:Helivesahappylife.Ihaveagoodfriend.2)用作表语,放在动词be后,也可以放在其他一些特殊的系动词后面:

Thestoryis

interesting.Shelooks

young.3)做宾语补足语,对句子的宾语进行补充说明Weshouldkeepourclassroom

clean.副词的用法表示行为和状态的特征，作状语，在句子中修饰动词、形容词或其他副词，甚至是整个句子，还能作表语、定语和宾补。HestudiesEnglishhard.Hishandwritingisverygood.Hewritesverycarefully.Sometimeshewalkstoschool.Classisover.Theweatherhereisveryhot.Ifoundtheboyoverthere.做状语修饰v.状语修饰adj.做状语修饰adv.状语修饰整句.做表语作定语做宾补Thebedroomisbright.Hegaveusanimportantreport.Thenewsmadeherhappy.Shewillbebacknextweek.Doyouseethemanthere?Hefoundthemeetingoverwhenhegotthere.Thewindisblowinghard.Theteaisveryhot.Hedrivesverycarefully.adj.做表语作表语adj.作宾补adv.做表语adv.作宾补adv.做定语adv.作状语修饰adv.adv.作状语修饰adj.adv.作状语修饰v.形容词、副词原级、比较级和最高级adj.adv.比较级、最高级的构成P93happierhappiestmoreeasilymosteasilyharderhardestlargerlargestthinnerthinnestlessleastmoremostworseworst1.原级比较as+adj./adv.原级＋as和……一样否定：notso/as+adj./adv.原级＋as

不及……我和你一样大。Iam_____________you.他跑得不及我快。He______run_____________I.asoldasdoesn’tas/sofastasas+adj.+a/an+可数名词单数+asasmuch+不可数名词+as，asmany+可数名词复数＋as

和……一样多的某物Heisasgoodanexampleashisbrother.Bobreadas____booksasMary.Thereisas______waterinthisbottleasinthatbottle.manymuch当as…as中间有名词时,采用以下格式形容词、副词的比较级和最高级A+谓语+adj./adv.的比较级＋thanBA在某方面超过B我比汤姆要高。Iam___________Tom(is).你看起来比以前年轻。Youlook____________before.比较级的结构tallerthanyoungerthanAttention!形容词和副词的比较级的变化不能混淆！1.以-er结尾和特殊变化的形容词副词比较级前面不能加more2.as…as

之间必须用形容词和副词原级HeismoretallerthanI.(TorF)Icanwritemorebetterthanhe.(TorF)Irunsasfasterasshe.(TorF)fast1.比较级前可用much,far,alot,alittle,even等表示程度,不能使用very，quite.Shesings_________betterthantheothers.

她比别人要唱得好得多。far/muchNowIread______fasterthanbefore.我现在读得比以前要快一点。alittle注意：2.比较的对象要一致，一般说来同等的两个事物才能比较.TheweatherofBeijingiscolderthanShanghai.(TorF)thatofHisEnglishisbetterthananyoneelseinhisclass.(TorF)else’s3.表示不同程度比较时，句子主语不能包括在比较对象的范围之内。Hestudiesharderthananystudentinhisclass.(TorF)otherHestudiesharderthanallthestudentsinhisclass.(TorF)otherHestudiesharderthananyoneinhisclass.(TorF)elseThemoonisclosertousthan______star/stars.(any,anyother)anyChinaislargerthan____countriesinAfrica.(any,anyother)anyChinaislargerthan_________countriesinAsia.(the,theother)theother4.在比较级中，用that代替上述出现过的不可数名词，用those代替上述出现过的复数名词。

Thewaterintheglassiscleanerthan______intheriver.

杯子里的水比河里的要干净。Ilikethesepicturesbetterthan______onthewall.

和墙上的画相比，我更喜欢这些。thatthose比较级的特殊用法主语+谓语+the+比较级+ofthetwo

两者中较……的一个Heis_______(old)ofthetwoboys.Andsheis__________(tall)ofthethree.theolderthetallest2.less+(多音节词)原级+than=notas/so+原级＋as不及……Jimdoesn’tdoitascarefullyasMary.Jimdoes____________thanMary.Marydoes____________thanJim.lesscarefullymorecarefully3.the+比较级，the＋比较级越…就越…你越粗心，犯的错误就越多。The__________youare,the____mistakesyouwillmake.morecarelessmore4.比较级+and+比较级越来越……当形容词或副词为多音节时，必须用moreandmore+原级Thepopulationisgrowing___________________.越来越快fasterandfasterThecityhasbecome(越来越漂亮)_______________________.moreandmorebeautiful5.表示“大3岁”，“长2米”时，要用数量词+比较级Heis______________thanI.他比我大三岁。threeyearsolderThebridgeis______________thanthatone.

这条桥比那条长两米。twometerslonger比较A、B两事物,询问哪一个较…时：Which/Whois+比较级…？WhichT-shirtisnicer,thisoneorthatone?Whoismoreactive,MaryorKate?Let'sreview1.Hiscaris_________(nice)than_____(I).2.Jimismuch_______(thin)thanTom.3.TheweatherinChongqingis_______(hot)

thanthatinChengdu.4.Thisquestionis________(easy)thanthatone.5.Ifeeleven_____(bad)thanyesterday.6.Whichis_______________(beautiful),theblackcoatortheblueone?nicerminethinnerhottereasierworsemorebeautifulDomoreexercises1.Bobis______________(young)thanFredbut_________(tall)thanFred.

2.YingTianisnotas___________(tall)asYongXian.

3.Almostallthestudents'facesarethesamebutLiDeminglooks_____________(fat)thanbefore.4.Whichis____________(heavy),ahenorachicken?

5.Heis___________(bad)atlearningmaths.Heismuch___________(bad)atChinese.6.Adictionaryismuch_______________________________(expensive)thanastory-book.7.Sueisalittle_________________________(beautiful)thanhersister.youngertallertallfatterheavierworseworsemoreexpensivemorebeautifulDomoreexercises8.Myroomisnotas_________(big)asmybrother's.9.--Annieplaysthepianovery___________(well).AndSueplaysit______________(well)thanAnnie.10.Hermotherisgetting____________(fat)and__________(fat).11.Ithinkit’stooexpensive.I’dlikea_____________(cheap)one.12.Hecomestoschoolmuch____________(early)thanI.

13.Thisbookisnotas_____________________________(interesting)asthatone.14.Yourclassroomis____________(wide)and_____________(bright)thanours.

15.The___________(many)friendsyouhave,the_______________(happy)youwillbe.16.NowadaysEnglishis_____________________________(important)thananyothersubject.

17.Whenspringcomes,thedaysget___________(long)andnights____________(short)．bigwellbetterfatterfattercheaperearlierinterestingwiderbrightermorehappiermoreimportantlongershorter单项选择（

）1．Ithinkscienceis_thanJapanese．A．muchimportantB．importantC．muchmoreimportantD．moremuchimportant（

）2.Thispencilis___thanthatone．AlongestB．longC．longerD．aslong（

）3.Thesechildrenare____thisyearthantheywerelastyear．A．moretallB．moretallerC．verytallerD．muchtaller（

）4.Itwasveryhotyesterday，butitis___today．A．evenhotterB．morehotterC．muchmorehotD．muchhot（

）5.Ourclassroomis____largerthantheirs．A．moreB．quiteC．veryD．much（

）6.Mathsismorepopularthan____．A．anyothersubjectB．allthesubjectsC．anysubjectD．othersubject（

）7.Chinaislargerthan____inAfrica.A．anyothercountryB．othercountriesC．theothercountryD．anycountry（

）8.Tomisstrongerthan___inhisclass．A．anyotherboyB．anyboysC．anyboyD．otherboy（

）9.Whenspringcomes，itgets____．A．warmandwarmB．colderandcolderC．warmerandwarmerD．shorterandshorter（

）10.____studentsinourclasscametolikeEnglish．A．moreandmoreB．muchandmuchC．manyandmanyD．lessandleastCCDADADACA形容词、副词的最高级（最高级前通常要加定冠词the表特指）A+be+the+adj.最高级＋in(范围)

of(同类)A+谓语（v）+adv.最高级＋in(范围)

of(同类)Maryisthetallestgirl___herclass/____thethree.Billreadsmostclearly___allthestudents.inofofLet'sdomoreexercises.1.Bobis

_____________(young)thanFredbut____________(tall)thanFred.

2.Heis__________(bad)atlearningmaths.Heismuch____________(bad)atChineseandheisthe

____________(bad)atEnglish.

3.AnniesaysSallyisthe____________(kind)personintheworld.

4Adictionaryismuch______________________(expensive)

thanastory-book.5.Anorangeisalittle______________(big)thananapple,butmuch_____________(small)thanawatermelon.6.Playingcomputergamesis______________________________________ofalltheactivities.(interesting).7.TheNile(尼羅河)is_______________________riverintheworld.(long)8.Goodhealthis_______________________________________thinglife.(important)9.Takingataxiis____________________waytogettotheairport.(easy)10.Sheis_______________thanalltheotherstudents.(young)11.Whereisthe________________bus-stop?(near)

12.Tomdrivesmuch____________________________thanJohn.(careful)youngertallerbadworseworstkindestmoreexpensivebiggersmallerthemostinterestingthelongestthemostimportanttheeasiestyoungernearestmorecarefuloneofthe+形容词最高级+名词复数表示“最……之一”他是班里最高的学生之一.Heis_____________________intheclass.oneofthetalleststudents这本书最有趣。Thebookis________________ofall.在班上她最早到校。Shecomestoschool____________intheclass.themostinterestingearliest主语+谓语+the+序数词+形容词最高级+名词第……最……它是世界上第二高的建筑物.Itis______________buildingintheworld.thesecondtallestLet'sdomoreexercises.用括号当中单词的适当形式填空。1.Heis_______________(heavy)______________(student)inhisclass.2.Heis______________________(two)___________________(heavy)_____________(syudent)inhisclass.3.Lilyisoneof__________________________(outgoing)_______________(girl)inourclass.4.Huangheisoneof____________________(long)____________(river)inChina.5.Huangheis_____________________(two)_____________(long)___________(river)inChina.6.Qomolangma(珠穆朗玛峰)is__