初中英语形容词比较级讲解(共23张PPT).ppt

1、形容词比较级与最高级Yao ming is Jordan.Jordan is tall.Yao ming is taller.Jordan2.26m1.98mtaller thanZeng Zhiwei is short.Pan Changjiang isPan Changjian is Zeng Zhiwei.shorter.shorter than形容词比较级、最高级的构成A:cheap short quick thick light cool warm quiet wild calm 最高级：the-est比较级：直接加erB:heavy easy tidy dry busy happy

2、 healthy hungry early最高级：y-i-est比较级：y-i-erC:large late nice最高级：adj.+stD:bighotthin “双写”最后的辅音字母加er/estwetfat比较级：adj.+r delicious dangerous interesting popular beautiful careful outgoing比较级：more+adj.最高级：the most+adj.多音节形容词和部分双音节形容词：better bestfarlittle worse worstmore mostfarther farthestless leastgoo

3、dwellbadillmanymuch 部分形容词的不规则变化：词尾变化原级比较级最高级hard largeharderlargerhardestlargestbigthin wetbiggerthinnerwetterbiggestthinnestwettesthappy dryearlyhappierdrierearlierhappiestdriestearliestdifficult popular more difficultmore popularmost difficultmost popular你可以讲讲吗？单音节词在词尾加-er(比较级)或-est(最高级)以字母e接尾的词加-

4、r或-st以重读闭音节结尾的词末尾只有一个辅音字母应双写辅音字母再加er或est以辅音字母+y结尾的词变y为i再加-er,或-est多音节词和多数双音节词在其前面加more 和 most 原级good wellbad/badly ill many much little far比较级最高级better bestworseworstless more mostfarther较远further进一步least farthest最远furthest最大程度原级比较级最高级importanteasythingoodwellhotexpensivecheapmanylittlecan you?考点1“A

5、+be+形容词比较级+than+B”，意思为“A比B更”。例如：Thistreeistallerthanthatone.TheclimateinBeijingishotterthanthatofNingbo.Abe_比较级+thanBNancy and Lucy are twins.In some way they look the same,but Nancy is _ than Lucy.A.tall B.taller C.tallestThe population of China is _ than any other country in the world.A.larger B.l

6、ess C.smaller D.bigger 在含有连词than的比较级中，前后的比较对象必须是同一范畴，即同类事物之间的比较。例如：Awatermelonismuchbiggerthananapple.在比较级前可使用much，alot，too,far（更加，的多），even（更，更加），alittle（有点）修饰。但very,quite不能修饰比较级。注意考点2“比较级+and+比较级”或“moreandmore+原级”，表示“越来越”。例如：Itbecomeswarmerandwarmerwhenspringcomes.春天来了，天气变得越来越暖和了。Itisgettingcoolera

7、ndcooler.天气越来越凉爽。Ourschoolisbecomingmoreandmorebeautiful.我们的学校变得越来越美丽。考点3在含有or的选择疑问句中，如果有两者供选择，前面的形容词要用比较级形式。例如：Whoistaller,TimorTom?Tim还是Tom,谁更高?Whichoneis_,thisoneorthatone?A.goodB.bad C.bestD.worse考点4.“the+比较级,the+比较级”,表示“越越”。例如：Themoreweget,thehappierwefeel.Thesooner，thebetter.The_,thebetter.A.m

8、uchB.manyC.moreD.most1.考点5.as+adj.+as 和.一样2.eg.as funny as as big as3.as happy as as smart as这个故事和那个故事一样有趣。The story is as interesting as that one.否定形式：not as+adj.+as和 不一样这个问题不如那个问题难。The question is not as difficult as that one.练习：用所给形容词的适当形式填空。Her hair is _(long)than mine.Who is _(short),Tom or Jac

9、k?Lily is _(quiet)than her sister.Tina,please come to school a little _(early)next time.The _(hard)you study,the _(good)grades youll get.It becomes _ and _(hot)when summer comes.longershorterquieterearlierharderbetterhotterhotter练习：单项选择。1.This one is too large.Can you show me a _one?A.larger B.large

10、 C.small D.smaller 2.Do you think March is _ than January?Yes,its _ warmer.A.better,a little B.well,much C.worse,very D.nicer,quite 3.Her bag is newer than _.A.mine B.my C.me D.I4.The weather in North China is colder than _ in South China.A.B.this C.the one D.that 5.Which one is _,this one or that one?A.good B.bad C.best D.better 6.I think your room is _ bigger.A.a lot B.a lot of C.lots of D.more6.Im _ quieter than Susan.A.little B.few C.a little D.a few 7.The watch is not _ beautiful as that one.A.very B.too C.so D.more