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

1、形容词的比较级的使用,Lily,Lucy,long,longer,large,larger,red,redder,angry,angrier,delicious,more delicious,形容词/副词比较级变化规则,一般在词尾加-er,taller longer older,以字母e结尾，直接加-r,larger nicer,以重读闭音节结尾的，如末尾只有一个辅音字母，应先双写该字母，再加-er,thinner bigger hotter redder,以“辅音字母+-y”结尾的，先把y变成i，再加-er,angrier easier busier,比较级变化口诀 两者之间做比较，尾巴er

2、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,比較級,fast cold nice late hot big wet dry easy happy,faster colder nicer later hotter bigger wetter drier easier happier,practice,原级,比较级,beautiful important difficult expensive delicious interesting,more beautiful more important

3、more difficult more expensive more delicious more interesting,英语中，A比B大，比B高或比B长，两者（人或事物）进行比较时，形容词要用比较级形式，用than引出比较对象,结构 A+be+形容词比较级+than+B,new,newer,The brown shoes are newer than the pink one.,nice,nicer,That clock is nicer than this clock.,big,bigger,The apple is bigger than the strawberry.,happy,h

4、appier,The boy is happier than the girl.,beautiful,more beautiful,The pink flower is more beautiful than the purple flower.,Compare,Mr. Read,Mr. 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 old,Whos the younger/ ol

5、der?,Lily is younger than Lucy.,Lucy is older than Lily.,short tall,73 cm,246cm,The man on the right is taller than the man on the left.,Which one is nicer?,The cake on the right is nicer than the cake on the left,Mary is thinner than Ann.,thin,Mary,Ann,The elephant is bigger than the mouse.,big,small,The mouse is smaller than the elephant.,Practice:,Shanghai,Hong Kong,hot,hotter,Hong Kong is hotter than Shanghai.,angry,The boy is _ than the baby,The baby is _ than the boy,happy,angrier,happier,Tom,Mr. Green,Mr.Green is busier than Tom.,busy,work in pairs.,The