初中八年级英语课件形容词、副词的原级、比较级、最高级

形容词和副词原级、比较级、最高级.Studyingaims:形容词和副词的原级、比较级和最高级及用法。形容词Adjective2.大多数形容词位于名词之前，作定语。一、什么是形容词？1.放在系动词(be动词）后作表语。二、形容词在句中的位置：用于修饰名词或代词，描述性质、特征、状态等的词。副词Adverb

一、什么是副词？

Jimrunsquickly.

(修饰动词run)

副词：主要用于修饰动词、形容词和副词的词。Sheisverybeautiful.(修饰形容词beautiful)

Jimplaysbasketballverywell.

(修饰副词well)

二、副词在句子中的位置：Jimrunsquickly.

(一般用于动词之后或句末)

Sheisverybeautiful.(修饰形容词之前)

Jimplaysbasketballverywell.

(修饰副词之前)

形容词和副词的

原级、比较级和最高级

Positive、comparativeandsuperlative一、单音节和部分双音节词Task1：形容词和副词比较级和最高级构成1.slowfastyoungtall2.finelate3.thinbig4.easyluckyslowerslowestyoungeryoungest一般在词尾加er,est以字母e结尾的词,加r,st重读闭音节词词尾只有一个辅音字母时,双写辅音字母,加er,est以辅音字母加“y”结尾的双音节词,先改“y”为“i”再加er,estfinerfinestlaterlatesteasiereasiestthinnerthinnestbiggerbiggestluckierluckiesttallertallestfasterfastest二、多音节和部分双音节词deliciouseasilymoredeliciousmostdelicious

moreeasilymosteasilybetterbestworseworstmoremostfartherfarthestfurtherfurthestlessleast不规则变化good/wellbad/badly/illmany/muchlittlefar在词前加more或most一、原级的常用句型XiongDaisastall/fatasXiongEr.

as...as原级的常用句型LiuXiangisnotas/sotallasYaoMing.

notas/so...as原级的常用句型倍数+as...asThepinkruleristwiceaslongastheblueone.1、比较级+than…二、比较级的常用句型YaoMingistallerthanLiuXiang.LiuXiangisshorterthanYaoMing.Summerishot.Summeris________thanspring.Winteriscold.Winteris________thanautumn.colderTheharderyouworked,themoreyougot你越工作努力，得到的就越多Themoreyoulearns,themoreyouwants.你越学就越想学2、The+比较级…，the+比较级…2、…oneofthe+形容词最高级+名词复数三、最高级的常用句型1、…最高级+of(in)…LuXunisoneofthegreatestwriters.Heisthetallestboyofall.YellowRiveristhesecondlongestriverinChina.3、the+序数词+最高级+单数名词smallfastshortbighotthinfatredlargefineniceclosehappydryearlyheavysmallestfastestshortestbiggesthottestthinnestfattestlargestfinestnicestclosesthappiestdriestearliestreddestheaviest1.以上规则是针对单音节和少数双音节形容词或副词2.下面是多音节和少数双音节形容词或副词positivedegreesuperlativedegree

popular

mostpopular

expensive

mostexpensive

careful

mostcareful

quickly

mostquickly

quietly

mostquietly

slowly

mostslowly3.形容词或副词的不规则变化positivedegreecomparativedegreesuperlativedegreegood/wellbetterbestbad/badly/illworseworstmuch/manymoremostlittlelessleastfarfarther/furtherfarthest/furthest1.Lucyisveryshort,butsheis__________thanhersister.A.shorter B.longer C.taller D.older

c选择正确答案2.LinTaoisthe__________boyinhisclass.A.youngest B.younger C. YoungD.mostyoungA选择正确答案()LuXunisoneofthe______writers.A.greatest.B.greater.C.great.

A填空LiuXiangisnot_______tall___YaoMing.as/soas选择正确答案()YellowRiveristhesecond______riverinChina.A.