形容词、副词的比较级和最高级专题复习（20141106---137班公开课）.ppt

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1、http:/,This tree is as_ as that tree.,The green bag is as _as the red.,This pen is not as _ as that pen.,tall,big,long,http:/,Yao Ming is Jordan.,Jordan,226cm,198cm,taller than,Yaoming,tall,taller,Jordan is tall.,http:/,The red car is cute.The blue car_ the red car.(蓝车比红车更可爱）,is cuter than,http:/,Th

2、is apple is the biggest of all.,big,bigger,http:/,The weather is bad.,The weather is worse.,The weather is the worst.,1、了解哪类词是形容词和副词。2、理解什么是形容词、副词的原级、比较级和最高级。3、复习形容词、副词的比较级和最高级的用法，并能灵活运用。,http:/,教学目标,http:/者或,1.什么是形容词、副词的原级？表示修饰两种东西的程度是一样的,用as.as表示原级，译为:“和一样”。2.什么是形容词、副词的比较级？表示两者相比，一个比另一个更，有比较级的句中有t

3、han,且仅限于两者比较3.什么是形容词、副词的最高级？表示三者或三者以上的比较，其中一个在某一方面超过其他几个。,形容词.副词的原级、比较级和最高级,http:/,大多数形容词和副词有三个等级：原级、比较级、最高级。一、形容词比较级的构成 1.构成的不规则变化:2.构成的规则变化:,形容词和副词,http:/,1.构成的不规则变化:e.g.good/well bad/badly many/much little far,http:/,2.构成的规则变化:1)单音节词和少数双音节词一般在词尾 后加-er 构成比较级 或-est构成最高级.如：原级 比较级 最高级 cold colder col

4、dest bright brighterbrightest young younger youngest,http:/,2)以字母 e 结尾的词只加 r 或-st 构成 比较级和最高级。原级 比较级 最高级 nice nicer nicest fine finer finest large larger largest,http:/,3)重读闭音节词末尾只有一个辅音字母时,先双写这个辅音字母,再加-er或-est。如:big bigger biggest“热湿（死）大胖瘦”thin thinner thinnest 4)以“辅音字母+y”结尾的双音节词，先改y为i,再加-er或-est。如：e

5、asy easier easiest happy happier happiest,http:/,5)多音节词和部分双音节词在词前加more 或most。如：delicious more delicious most delicious interesting more interesting most interesting importantmore important most important,http:/,讲述某人或某物自身情况时用原级。基本句型：主语+谓语+形容词/副词原级+.He is very old now.他现在很老了。They ran quite fast.它们跑得相当

6、快。I am so happy.我是如此的快乐。注意：very,quite,so,too 修饰原级,原级的用法,http:/,表示两者之间没有差别时,使用句型：主语(第一个人物)+谓语动词+as+形容词/副词原级+as+第二个人物+.译为“.和一样”如：He is as cute as his younger sister.他和他妹妹一样可爱。Lily rode her bike as slowly as an old lady.莉莉骑车像老太太一样慢。,http:/,表示第一个人比不上第二个人时,使用句型:主语(第一个人物)+谓语动词(否定式)+as/so+形容词/副词原级+as 译为“不如

7、那么”Heisnotso/ascute ashisyoungersister.他没他妹妹那么可爱。Lilydidnotrideherbikeso/asslowlyasan oldlady.莉莉骑车不像老太太那样慢。,http:/,1.讲述两者有差异,第一个人物超过第二个人 物时用比较级。基本句型：主语(A)+谓语动词+形容词/副词比较级+than+主语(B)+.e.g.Amoderntrainisfasterthanacar.现代的火车比轿车快多了。Thisbookdidntcostmemorethanthatone.这本书花费我的钱不比那本多。,比较级的用法,http:/,2.在形容词比较级

8、前还可用much/a lot/far,even,still,a little来修饰,表示“的多”,“甚至”,“更”,“一些”。e.g.1)This city is much more beautiful than before.2)Shes a little more outgoing than me.3)Its a little colder today.,http:/,3.“比较级and比较级”意为“越来越”。多音节比较级用“more and more形容词原级”形式。如：Its getting worse and worse.He is fatter and fatter.The gro

9、up became more and more popular.,http:/,4.“Which/Who is+比较级？”比较A、B两事物,问其中哪一个较时用此句型。如：Which T-shirt is nicer,this one or that one?Who is more active,Mary or Kate?Which one is more popular among students,going to concerts or going to movies?,http:/,5.注意：1)than后面接代词时,一般要用主格形式，但在口语中也可用宾格形式。如：My brother

10、is taller than I/me.2)当需要表示一方超过另一方的程度时，可以用much,a lot,a little,a bit,even,still等来修饰形容词比较级。注意:比较级不能用very,so,too,quite等修饰。如：He is much more serious than Sam.,http:/,3)形容词比较级后面往往用连词than连接另一个比较的人或事物,但在上下文明确的情况下,形容词比较级可单独使用。如：My sister is tall,but my aunt is taller.我姐姐个子高,但我姑姑个子更高。4)进行比较的人和物必须是同一类。My book

11、s are more than yours.I have more books than you.,http:/,英语中三者或三者以上相比较，表示“最”这样的最高程度概念时，要用“the+最高级”的结构表示。这种句式一般带有表示比较范围的in,of,among介词短语，比如:in our class,of the three 等。例如：Wang Lin is the tallest in our class.This theater is the cheapest of the three.注意使用最高级时应注意以下几点：,最高级的用法,http:/,2、表示“最之一”的句式，要用 one o

12、f the+形容词最高级+复数名词。例如：Jingjiang Hotel is one of the biggest hotels in our city.Lisa is not of my best friends.3 最高级前可加序数词。例如：The Yellow River is the second longest river in China.,http:/,注意：1、当最高级前面有物主代词或名词所有格时，不加定冠词 the。例如：Tom is Lucys best friend.Tuesday is her busiest day.2、形容最高级修饰作表语或介词宾语的名 词，代词时

13、，被修饰的词往往省略。例如：He is the laziest(student)in our class.,http:/,Exercise,http:/,一、将下列词变成比较级和最高级形式：,old fat young ugly high low light white sunny hot cool,older,fatter,younger,uglier,higher,lower,lighter,whiter,sunnier,hotter,cooler,http:/,1.Hainan is a very large Island.It is the second _ island in chi

14、na.(large)2.Our teacher is as _ as before.(busy).3.He is _ among us.(careful)4.Li Lei jumped even _ than Jim.(far)5.I think Yao Ming is one of _ basketball players in NBA.(tall),busy,the most careful,farther,largest,the tallest,二、用词的正确形式完成句子,http:/,6.Lily gets up _(early)than Lucy.7.Which goes _(slo

15、wly),Tom or Jim?8.This book is _(interesting)than than one.,earlier,more slowly,more interesting,9.She works _(careful)in her school.10.Who goes to bed _(late)Jim,Tom or Jack?11.I think turkey is _(delicious)of all.,the most carefully,the latest,the most delicious,http:/,1.Paul is very _.He is _ tha

16、n his brother.A.heavy-heavierB.heavy-heavy C.heavier-heavier D.heavy-heavyer2.It has the _ clothing store in the town.A.goodest B.gooddest C.best D.better3.This ruler is _ than that one.A.long B.longer C.the longest D.longest4.This book is _ of all.A.cheapest B.cheap D.cheaper D.the cheapest5.He is

17、much _ than his brother.A.taller B.tall C.the tallest D.tallest6.Li Lei is _ older than Lucy.A.quite B.very C.much D.more,三.单项选择.,http:/,7.Lucy is very short,but she is _ than her sister.A.shorter B.longer C.taller D.older 8.Frank is _ friendly than his brother.A.a little more B.a few more C.much D.

18、a little 9.Sam is _at Chinese than Jim.A.good B.well C.better D.gooder,C,A,C,http:/,10.This one is too large.Can you show me a _one?A.larger B.large C.small D.smaller 11.Do you think March is _than January?Yes,its _ warmer.A.better,a little B.well,much C.worse,very D.nicer,quite,D,A,Summary:What do we learn from this lesson?,http:/,http:/,Homework,复习课本114-115页的内容。复习Unit 4的单词。完成去年段考试卷。,Thank You!,