八年級英語形容詞比較級和最高級

會計(jì)學(xué)1八年級英語形容詞比較級和最高級用以修飾名詞，表示事物的特征的詞。e.g.long,empty,cheap,hungry,etc.在句中作定語、表語、賓語補(bǔ)足語等成分．第1頁/共34頁e.g.Heisagoodstudent.Ihavesomethingimportanttotellyou.當(dāng)形容詞修飾由some-,any-,no-,every-構(gòu)成的不定代詞時(shí),形容詞要放在這些不定代詞的之后.e.g.Isthereanythinginterestingintoday’snewspaper?作定語第2頁/共34頁Thetreesturngreeninspring.Wearealoneontheisland.只能作表語，不能作定語的形容詞你能說出幾個(gè)？aloneafraidawakeasleepaliveable作表語第3頁/共34頁形容詞和賓語一起構(gòu)成復(fù)合賓語．e.g.Wemustkeeptheclassroomclean.Hemadeushappy.作賓語補(bǔ)足語Colouritgreen.第4頁/共34頁Let’sfillintheblanks,

形容詞的比較級和最高級構(gòu)成規(guī)則變化不規(guī)則變化第5頁/共34頁詞尾變化原級比較級最高級單音節(jié)詞在詞尾加-er(比較級)或-est(最高級)tallhard

以不發(fā)音的e接尾的詞加r或stlargewide以重讀閉音節(jié)結(jié)尾的詞,應(yīng)雙寫輔音字母再加er或estbighot

以輔音字母加y結(jié)尾的詞變?yōu)閕再加er,或esthappydry

多音節(jié)詞和多數(shù)雙音節(jié)詞在其前面加more和mostdifficultpopular

1.規(guī)則變化tallertallest

harderhardestlargerlargestwiderwidestbiggerbiggesthotterhottesthappierhappiestdrierdriestmoredifficultmostdifficultmorepopularmostpopular第6頁/共34頁原級goodwellbadillmanymuchlittlefarold比較級最高級2、不規(guī)則變化bestbetterworseworstmoremostlessleastfartherfarthestfurtherfurthestolderoldesteldereldest第7頁/共34頁

可用much,still,alittle,even,

far,threeyears等表示程度的狀語來修飾比較級

*Sheis

much

tallerthanMrs.Liu.

*Heis

threeyears

olderthanI.

*Thisproblemis

alittle

moredifficultthantheotherone.第8頁/共34頁形容詞原級的常用句型Tomisas

tallasMike.

as+形容詞原形+asThereareasmanystudentsinourschoolasyours.

Idon’thaveasmuchmoneyasyoudo.第一個(gè)as后的形容詞做定語修飾名詞.將該名詞及有關(guān)修飾語全列在第一個(gè)as后.第9頁/共34頁

否定notas+形容詞原形+as“和…不一樣”或notso+形容詞原形+as

“不及／不如…TomisnotastallasMike.TomisnotsotallasMike.

第10頁/共34頁Thistruckisbigenoughtocarry5tons.

so+形容詞原級+that叢句

such+名詞＋that叢句Heissobigthathecan’tentertheroomby

thedoor.…too+原級+todosth.Heistooyoungtojointhearmy.

形容詞原級+enoughtodosth.

第11頁/共34頁倍數(shù)詞/half+as+形容詞原形+as

Tomisthreetimesas

oldasMike.Myschoolistwice/halfas

largeasYours.第12頁/共34頁

比較級+than…形容詞比較級的常用句型Thisbridgeislongerthanthatone.

Ourschoolislargerthantheirs.

倍數(shù)詞+比較級+than…

Ourschoolisthreetimeslargerthantheirs.

HeisthreeyearsolderthanI.第13頁/共34頁

more(less)thanSheismorethanthirty.Thelightestboxweighslessthan50kilograms.moreorless

Theproblemismoreorlesssolved.

這個(gè)問題差不多已經(jīng)解決了。

Isitstraight?–Moreorless.

它直嗎？–差不多吧。

第14頁/共34頁“The+比較級…，the+比較級…”“…比較級+and+比較級…”Thesmallerthehouseis,thelessitwillcostustheheat.

Inspring,thedaysaregettinglongerandlonger.

第15頁/共34頁the+比較級+ofJhonis

thetallerof

thetwo.第16頁/共34頁表示兩者之間的選擇，可使用“Whichis+比較級，…or…?”

表示不及另一方時(shí)，使用“l(fā)ess+原級+than…”Whichislonger,thisoneorthat?Thisparkislessbeautifulthanthatone.

第17頁/共34頁…oneofthe+最高級+名詞復(fù)數(shù)形容詞最高級的常用句型…最高級+of(in/among)…Thisis/wasthe最高級+名詞+that定語從句LuXunisoneof

thegreatestwriterslastcentury.

ThisistheworstfilmthatIhaveseentheseyears.

Ofallthemoviestars,IthinkZhangZiyiisthebest.

第18頁/共34頁掌握幾種同義句轉(zhuǎn)換

1.HeistallerthanI.

=Iamnotas/sotallashe.

2.IstudyharderthanLiMing.=

LiMingdoesn’tstudyashardasI

.第19頁/共34頁3.Heistallerthananyotherstudentinhisclass.=Heistallerthantheotherstudentsinhisclass.=Noone/Nobodyistallerthanheinhisclass.=Heisthetallest(student)inhisclass.第20頁/共34頁

4.IprefermathstoEnglish.

=IlikemathsbetterthanEnglish.

5.Theboxistooheavyforhimtocarry.

=Theboxissoheavythathecan’tcarryit.=Theboxisnotlightenoughforhimtocarry.第21頁/共34頁注意點(diǎn)

形容詞最高級前一定要用the，副詞最高級前可省略在比較級中為了避免重復(fù)，在than后常用one，that，those等詞來替代前面提到過的名詞*Thispenisshorterthanthatone.*TheweatherhereiswarmerthanthatofShanghai.第22頁/共34頁

3.用or連接兩項(xiàng)需作比較的內(nèi)容時(shí)，須用比較級；若or連接三項(xiàng)或三項(xiàng)以上的內(nèi)容時(shí)，則須用最高級*Whoistaller,MaryorJane?*Whichisbiggest,thesun,themoonortheearth?第23頁/共34頁1.Thebreadis____thanthesecakesA.verydeliciousB.muchdeliciousC.moredeliciousD.asdelicious2.LinTaojumped____inthelongjumpintheschoolsportsmeetingA.farB.fartherC.farthestD.quitefar3.Whentheymetinthehotel.Theytalkedandlaughed______A.happilyB.happyC.happierD.happiestCCPracticeA第24頁/共34頁4.Inourcityit’s____inJuly,butitiseven____inAugustA.hotterhottestB.hothotC.hotterhotD.hothotter5.HainanisaverylargeIsland.Itisthesecond______islandinchina.A.largeB.largerC.largestD.mostlargest6.Anelephantis____thanatiger.A.heavyB.veryheavyC.theheaviestD.heavierDCD第25頁/共34頁7.Ahorseis______thanadog.A.muchheavyB.moreheavierC.muchheavierD.moreheavy8.Emmaalwaysmakesalotofmistakes.Sheis_____.A.careB.carefulC.carefullyD.careless9.Whichsubjectis_____,physicsorchemistry?A.interestingB.mostinterestingC.moreinterestingD.themostinterestingCDC第26頁/共34頁10.Heis___enoughtocarrytheheavybox.

A.strongB.strongerC.muchstrongerD.thestrongest11.Lileioftentalks___butdoes___soeveryonesaysheisagoodboy.A.lessmoreB.fewmuchC.morelittleD.littlemanyAA第27頁/共34頁

()1Whogetshomeusually____inyourfamily?A.thelatestB.laterC.earlyD.aslate()2Themorewelookedatthepicture,____.A.welikeitlessB.thelesswelikeditC.betterwelikeditD.itlookedbetter()3Whatapity.Lucyran____thanLily.A.afewmoreslowlyB.alittlemoreslowlyC.muchmoreslowlyD.littleslowlierABB第28頁/共34頁()4Don’tworry.Yourbabyislookedafter____here,thenursearevery____.A.careful,carefullyB.carefully,carefulC.care,carelessD.careless,care()5Theideabecame____.Hewantedtotry____.A.strangly,itoutB.strangly,outitC.strange,itoutD.strange,outit()6Beijingis____biggestcitiesinChina.A.thefirstB.oneofC.thesecondD.secondBCC第29頁/共34頁

()1Whogetshomeusually____inyourfamily?A.thelatestB.laterC.earlyD.aslate()2Themorewelookedatthepicture,____.A.welikeitlessB.thelesswelikeditC.betterwelikeditD.itlookedbetter()3Whatapity.Lucyran____thanLily.A.afewmoreslowlyB.alittlemoreslowlyC.muchmoreslowlyD.littleslowlierABB第30頁/共34頁()4Don’tworry.Yourbabyislookedafter____here,thenursearevery____.A.careful,carefullyB.carefully,carefulC.care,carelessD.careless