牛津译林版8A-Unit1-Friends-grammar课件(共21张PPT)

Unit1FriendsGrammar(Ⅰ)comparativeandsuperlativeadjectivesGrammarsmallestsmallsmallerComparethem

nicestnicenicerComparethemTheblackandwhitedogisthehappiest

ofthethree.Theyellowdogis

stillhappier.Thewhitedogisvery

happy.ComparethemThefirstpigisquite

fat.Thesecondpigismuch

fatter.Thethirdpigisthe

fattest

ofall.Comparethem

PleasereadthetableonPage11.Andruleout

howtoformcomparativesandsuperlativeswithadjectives.Learningforuse形容词的比较级和最高级构成规则变化不规则变化原级比较级最高级smallsmallersmallesttalltallertallestlonglongerlongest

①在大多数短形容词词尾加er变成比较级，加est变成最高级。

规则变化②以字母e结尾的短形容词，只加r或st变成比较级或最高级原级比较级最高级nicenicernicestfinefinerfinest规则变化③以辅音字母加y结尾的短形容词，先把y变成i再加er或est.原级比较级最高级busybusierbusiesteasyeasiereasiestheavyheavierheaviest规则变化④一个原音字母加一个辅音字母结尾的，并且是重读闭音节结尾的短形容词，双写这个辅音字母，再加er或est原级比较级最高级bigbiggerbiggestslimslimmerslimmest规则变化⑤在长形容词前加more变成比较级，加most变成最高级。原级比较级最高级beautifulmorebeautifulmostbeautifulimportantmoreimportantmostimportant规则变化原级goodwellbadillmanymuchlittlefarold比较级最高级better

bestworseworstlessmoremostfarther/furtherolder/elderleast

farthest/furthestoldest/eldest不规则变化巧记：特殊形式比较级共有三对二合一坏病两多并两好little意思不是小一分为二有两个一是老来二是远Shortadjectivesareadjectivesofoneortwosyllables,e.g.,‘clean’and‘heavy’.Longadjectivesareadjectivesofthreeormoresyllables,e.g.,‘interesting’and‘beautiful’.TipPractice1cleanhelpfuleasybeautifulhealthyimportanttidytiredclosefarhotsadclever

cleanercleanesteasiereasiesthealthierhealthiesttidiertidiestcloserclosesthotterhottestsaddersaddest

more~most~

more~most~

more~most~

more~most~fartherfarthestfurtherfurthest~er

~

estModel:Sandyis_________(ill)Amy.worsethan1.Janeis__________(tall)Amy.2.Carlis____________(heavy)Jack.3.Iam____________(fat)Betty.4.Julieis_____________(thin)John.5.Myhomeisn’t____________(far)hers.tallerthanheavierthanfatterthanthinnerthanfartherthan

Practice2Model:Simonis___________(taller)personIknow.1.Danielis_____________(clever)boyofall.2.Uncleis__________________(interesting)personinourfamily.3.Melis_________(lazy)oneofthesixstudents.4.Ourschoolis___________(large)inthecity.

thecleverestthemostinterestingthelaziestPractice3the

largestthetallest50kg200kg400kgThefirstboxis______.Thesecondboxis_______thanthefirstone.Thethirdboxis___________ofall.heavyheaviertheheaviestComparethemPractice4()1.Mymotheris_______inourfamily.

A.busiestB.thebusiestC.busierD.busy()2.Thisappleis_______ofall.

A.redderB.theredestC.thereddestD.reddest()3.Whichpenis_______,thisoneorthatone?

A.dearB.dearestC.thedearestD.dearer()4.Kateis______thanalltheothergirls.Sheis_______ofall.

A.taller,tallestB.taller,thetallestC.thetallest,tallestD.tallest,thetallest()5._______ofthetwomenismyuncle.

A.TheolderB.OldC.TheoldestD.Oldest

BCD