牛津译林版8A-Unit1 grammar课件.ppt

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1、Unit1FriendsGrammarcomparativeandsuperlativeadjectives形容词的比较级&最高级Grammar50kg200kg400kgThefirstboxis______.Thesecondboxis_______thanthefirstone.Thethirdboxis___________ofall.heavyheaviertheheaviestComparethem形容词的比较级和最高级构成规则变化不规则变化Findtherule(1)找规律(1)原级比较级最高级smallsmallersmallesttalltallertallestl

2、onglongerlongest①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bigbiggerbiggestsli

3、mslimmerslimmest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goodwellbadillmanymuchLittle比较级最高级betterbestworseworstlessmoremostleast不规则变化巧记：坏病两多和两好little意思不是小Findtherule(2)找规律(2)MaxismuchtallerthanBetty.Maxisalittletallerth

4、anbetty.MaxisevenmorecarefulthanBetty.much/alittle/even+比较级+thanMaxisthetallestboyinhisclass.Maxismybestfriendinmyclass.the/one’s+最高级(+范围）MillieSandyAmyPeterKittySimonHeight(cm)157170160173155171Weight(kg)45504455405350mSwimming(sec)403830343635Drawingcompetition9/1010/109/105/106/108/10English

5、test10/108/109/106/108/107/101.Simonis_______________(tall)Sandy.tallerthan2.Peteris________________(tall)ofthesixstudents.thetallest3.Sandyis______________(heavy)Millie.heavierthan4.Peteris___________________(heavy)ofthesixstudents.theheaviest5.Amongthesixstudents,Millieis__________________(sl

6、ow)swimmer.theslowest1.Simonis_______________(tall)Sandy.tallerthan2.Peteris________________(tall)ofthesixstudents.thetallest3.Sandyis______________(heavy)Millie.heavierthan4.Peteris___________________(heavy)ofthesixstudents.theheaviest5.Amongthesixstudents,Millieis__________________(slow)swimm

7、er.theslowest()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.Kat