初中八年级英语课件形容词和副词的比较级和最高级专项

石河子第二十二中学

八年级英语（下）李雪GENERALREVISION比较级与最高级复习复习目标

熟练掌握常见形容词、副词比较级和最高级的规则变化形式和不规则变化形式。熟练掌握形容词、副词比较等级和最高级的基本句型及基本用法。比较级最高级词形构成原级形容词和副词形容词和副词的词形构成规则变化不规则变化

形容词和副词比较级和最高级构成（规则变化）1.longfastyoungtall2.finelatenicelarge

3.thinbig

一般在词尾加er,est以字母e结尾的词,加r,st重读闭音节词只有一个辅音字母时,双写辅音字母,加er,estthinnerthinnestbiggerbiggestlongerlongestyoungeryoungesttallertallestfasterfastestfinerfinestlaterlatestnicernicestlargerlargest以辅音字母加“y”结尾的双音节词,先去“y”变“i”再加er,est4.easylucky5.beautifulserious

部分双音节词和多音节词在前面加more或most形容词和副词比较级和最高级构成slowlyquicklyearly

注意：以“ly”结尾的副词，除early外，其后一般加more或most.

earlierearliesteasiereasiestluckierluckiestmorebeautifulmostbeautifulmoreseriousmostseriousmorequicklymostquicklymoreslowlymostslowly

good/wellbad/ill littlemany/much

betterbestworseworstlessleastmoremost

形容词和副词比较级和最高级构成（不规则变化）

原级的用法

1.肯定：…as+原级+as…

“…和…一样”Youareastallasme.HehasasmanybooksasIhave.Thiscomputerrunsasfastasthatone.形容词、副词原级的常用句型（一）Summary:2.否定：…notas/so+原级+as…“…不如…”Thisjacketisn’tas(so)cheapasthatone.Shedoesn’thaveas(so)manybooksasIhave.Henrydoesn’tstudyas(so)hardashiselderbrother.形容词、副词原级的常用句型（二）Summary:

Thecarisquite/toocute.Thetreeisvery/sotall.形容词、副词原级的常用句型（三）Summary:程度副词very/quite/so/too+原级1.Thisjacketisas_____asthatone.A.beautifulB.morebeautifulC.themostbeautifulD.beautifuler2.Tomisquite_____thatwealllikehim.A.thefunniestB.funnierC.funnyD.morefunnyHowtousethem?Heis____________(一样高)Jim.He____________Jim.astallasas

hard

asisn’tastallasdoesn’tstudyashardasShe_____________________MaryShestudies_____________(一样努力)Mary.完成句子，并将肯定句变为否定句

走进中考&体验中考1.Sheisverygoodatpainting.Shecanpaint__herteacher.A.asbetterasB.aswellasC.asgoodasD.sowellas2.Thisstoryisnot________asthatone.A.moreinterestingB.lessinterestingC.sointerestedD.sointeresting

比较级的用法1.汤姆比杰克高.

2.那些苹果比这些大.

Tomis______________Jack.Thoseapplesarebigger_______theseones.tallerthanthan比较级的基本构成为：

…比较级+than…“……比……更……”Summary:形容词，副词比较级的常用句型1.Mybrotheris_____moreoutgoingthanme.

A.manyB.littleC.muchD.very2.Heis__________

tallerthanI.A.quiteB.veryC.tooD.alot

Summary:表示“比较程度”,常用alittle,alot,much,even+比较级。比较级的拓展句型（一）2.Farmershavebecome_______inourhometownin recentyears.A.moreandmorerichB.richerandricherC.morerichandmorerich1.Springiscoming,it’sgetting__________.A.warmandwarmB.moreandmorewarmC.warmerandwarmerD.moreandmorewarmer1.比较级+and+比较级”

比较级的拓展句型（二）Summary:“moreandmore+原级”，越来越……比较级的拓展句型（三）翻译：小女孩长得越来越漂亮了。Thelittlegirlis____________________.moreandmorebeautifulSummary:

比较级+thananyother+单数名词Heistallerthananyotherboy.

比较级+thantheother+复数名词Heistallerthantheotherboys.Summary:比较级的拓展句型（四）1.ThepopulationofChinaislargerthananyother________intheworld.A.countryB.countriesC.acountry2.Thecoatismoreexpensivethananyothercoatinthestore.=Thecoatismoreexpensivethan________________inthestore.theothercoats*

1.AismoreexpensivethanBBis_______________A.Bisnot_________________A.Bis_______________thanA.lessexpensivecheaperthanasexpensiveas同义句转换能力提升：*走进中考&体验中考1.Thiswatchis____thanthatone.A.muchexpensiveB.expensiverC.moreexpensiverD.muchmoreexpensive2.WhichdoesJimmylike______,ChineseorArt?A.wellB.bestC.betterD.much3.--Thisbluesweateristoobigforme.--Willyoupleaseshowmea_______one?A.smallB.smallerC.thesmallestD.smallest4._______ofthetwowomenisMrsBrown.A.ThebeautifulB.ThemorebeautifulC.MorebeautifulD.Themostbeautiful

最高级的用法3.那个短发的女孩是我们班最高的.Thegirlwithredhairisthetallestinourclass.1.李先生是三个人中最胖的。Mr.Liistheheaviestofthethree.2.这辆绿色的车是所有车当中最贵的Thegreencaristhemostexpensiveofall.最高级的基本句型Summary:the+最高级+ofin范围：三者或三者以上1.Sheis________intheclass.

A.youngB.youngerC.theyoungest2.Jasonisthe_____ofthethree.A.tallB.tallerC.tallestHowtousethem?

Oneof+the+最高级+名词复数“最……的……之一”云南是中国最美的城市之一。YunNanisoneofthemostbeatifulcitiesinChina.上海是中国最大的城市之一.ShanghaiisoneofthelargestcitiesinChina.形容词最高级的拓展句型（一）Summary:1.Thisisoneofthe___________(bad)moviesI’veeverwatched.2.Mymotheris_______________(busy)inmyfamily.worst3.Whichis___________(fast),thebus,thecatorthetrain?4.IthinkJimworks_________________(hard)inourclass.thebusiestthefastest(the)hardest1.MissLiisoneof________inourschool.A.apopularteacherB.morepopularteacherC.mostpopularteacherD.themostpopularteachers走进中考&体验中考2.--Whichis____seasoninBeijing?--Ithinkit'sautumn.A.goodB.betterC.bestD.thebest形容词和副词比较级和最高级的几个雷区

能力提升：改错1.Ourcountryisgettingmorebeautifulandmorebeautiful.