英语人教版八年级下册Unit 7 sectionA grammar focus.ppt

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1、LilyLucylonglongerlargelargerredredderangryangrierdeliciousmore delicious形容词/副词比较级变化规则一般在词一般在词尾加尾加-ertallerlongerolder以字母以字母e结尾，结尾，直接加直接加-rlargernicer以重读闭音节结以重读闭音节结尾的，如末尾只尾的，如末尾只有一个辅音字母，有一个辅音字母，应先双写该字母，应先双写该字母，再加再加-erthinnerbiggerhotterredder以以“辅音字母辅音字母+-y”结尾的，先把结尾的，先把y变成变成i，再加，再加-erangriereasierbus

2、ier比较级变化口诀 两者之间做比较，尾巴er少不了 一般词尾加er，有e词尾只加r 单一辅音单音节，双写词尾加er 辅音加y很重要，去y变i加er 双多音节字太长，前加more比它强原級原級比較級比較級fastcoldnicelatehotbigwetdryeasyhappyfaster coldernicerlaterhotterbiggerwetterdriereasierhappier原级原级比较级比较级beautifulimportantdifficultexpensivedeliciousinterestingmore beautifulmore importantmore dif

3、ficultmore expensivemore deliciousmore interesting英语中，英语中，A比比B大，比大，比B高或比高或比B长，两者长，两者（人或事物）进行比较时，形容词要用比较（人或事物）进行比较时，形容词要用比较级形式，用级形式，用than引出比较对象引出比较对象结构结构A+be+形容词比较级形容词比较级+than+BnewnewerThe brown shoes are newer than the pink one.nicenicerThat clock is nicer than this clock.bigbiggerThe apple is bigge

4、r than the strawberry.happyhappierThe boy is happier than the girl.beautifulmore beautifulThe pink flower is more beautiful than the purple flower.Mr.ReadMr.King Whos the taller/shorter?Mr.Read is shorter than Mr.King.Mr.King is taller than Mr.Read.Lucy 10 years old Lily 8 years oldWhos the younger/

5、older?Lily is younger than Lucy.Lucy is older than Lily.short tall73 cm246cmThe man on the rightis taller than the manon the left.Which one is nicer?The cake on the right is nicer than the cake on the leftMary is thinner than Ann.MaryAnnThe elephant is bigger than the mouse.bigsmallThe mouse is smal

6、ler than the elephant.Practice:ShanghaiHong Kong hothotterHong Kong is hotter than Shanghai.angryThe boy is _ than the babyThe baby is _ than the boyhappyangrierhappierTomMr.GreenMr.Green is busier than Tom.work in pairs.The green apple is big.The red apple is bigger.The green apple is bigger than the red apple.