形容词和副词的比较级与最高级课件.ppt

1、形容词和副词的形容词和副词的 比较级与最高级比较级与最高级 上海市漕泾中学上海市漕泾中学 秦燕秦燕初三英语第一轮复习初三英语第一轮复习形容词和副词的三个等级形容词和副词的三个等级原级原级比较级比较级最高级最高级原形原形词后加词后加er，或词前加，或词前加more词后加词后加est，或词前加，或词前加most单音节词在词尾比较级加单音节词在词尾比较级加er或最高级加或最高级加 est以以e结尾的词，只需加结尾的词，只需加 r 或或 st少数以少数以er,ow 结尾的双音节结尾的双音节词加词加-er-esttalltaller-tallest clevercleverer-cleverest形容词

2、形容词和副词比较级和最高级的构成和副词比较级和最高级的构成规则变化规则变化late later-latestearly earlier earliestbigbigger-biggest quickly/difficult more,most fine,nice,safewise,wide quickly,slowly,useful,careful,popular,modern cheap,cold,small,warm,young,highhappy,busy,dirty,easy,lazy,prettynarrow,yellowfat,hot,red,thin,wet,sad 不规则变化不

3、规则变化 good/well better-best much/many more-most bad/badly/ill worse worst little less least far farther farthest far further furthest old older/elder oldest/eldest形容词形容词和副词比较级和最高级的构成和副词比较级和最高级的构成形容词和副词比较级的用法形容词和副词比较级的用法 eg.He runs faster than she.09年中考题年中考题 Thanks to the new inventions,our lives are

4、much _ than before.(09年年)A.convenient B.more convenient C.most convenient D.the most convenientB2.表示两者之间的选择表示两者之间的选择,可用可用“Which/Who +比较，比较，or?”.3.much/far/a lot,even,still,a little/a bit 修饰比较级修饰比较级,表示程度表示程度.Who runs faster,he or she?He runs much faster than she.形容词和副词比较级的用法形容词和副词比较级的用法 04年中考题年中考题 Al

5、l of us are proud of the great changes in Shanghai.Were sure Shanghai will be even _ tomorrow.A.good B.better C.best D.the bestB4.“比较级比较级+and+比较级比较级”表示表示“越来越越来越”5.“the+比较级比较级,the+比较级比较级”表示表示“越越,越越”He becomes healthier and healthier.The more you exercise,the healthier you will be.Shanghai is becoming

6、 more and more modern.形容词和副词比较级的用法形容词和副词比较级的用法 6.表示不及另一方时，用表示不及另一方时，用“less+原级原级+than”(双音节和多音节双音节和多音节形容形容词词)She is less healthy than he.He is healthier than she.形容词和副词比较级的用法形容词和副词比较级的用法 1.表示表示三者或三者以上三者或三者以上比较比较,可用可用”Which/Who +最高级最高级,or?”表示表示.2.最高级最高级+of/among(同类比较同类比较)/in(范围比较范围比较)Who is the tallest

7、,Tom,Mike,or Jack?形容词和副词形容词和副词最高最高级的用法级的用法 形容词最高级前必须加形容词最高级前必须加the,副词最高级前可以副词最高级前可以 省略省略the。Tom is the tallest of the three.Tom runs(the)fastest in our class.4.one of+形容词最高级形容词最高级+名词复数表示名词复数表示“最最之一之一”3.序数词序数词修饰最高级修饰最高级形容词和副词形容词和副词最高最高级的用法级的用法 02年中考题年中考题 Mr.Smith thought the Century Park was the seco

8、nd _ in Shanghai.A.large B.larger C.largest D.very largec12年中考题年中考题 Pudong International Airport is one of _ airports in the world.A.big B.bigger C.biggest D.the biggestD原级常用的句型结构原级常用的句型结构 在表示在表示“和和一样一样”和和“不及不及”这类这类概念概念，可以用可以用“as+原级原级+as”和和“not as（so）+原级原级+as”的句型的句型13年中考题年中考题 The volunteer spoke as

9、_ as she could to make the visitors understand her.A.clearly B.more clearly C.most clearly D.the most clearlyAas.as as.as 与与not as/so.asnot as/so.as的用法的用法 as+形容词形容词原级原级+as 的句型转换的句型转换1.Tom is as old as Sally.=Tom is the same age as Sally.as+形容词原级形容词原级+as=the same+名词名词+as=Tom is the tallest boy in his

10、 class.2.Nobody else is as tall as Tom in his class.Nobody/Nothing else is as.as=最高级最高级.as.as as.as 与与not as/so.asnot as/so.as的用法的用法 =Toms sister swims more quickly than he.not as+.+as 的句型转换的句型转换1.Tom doesnt swim as quickly as his sister.=Tom swims more slowly than his sister.=Tom swims less quickly

11、 than his sister.not as+.+as可以转换可以转换为比较级为比较级.同义句转换同义句转换 1.Flat A is more expensive than Flat B Flat B is _ _ than Flat A.Flat B is _ _ Flat A.Flat B is not _ _ _ Flat A.2.I prefer maths to English.I like maths _ English.better than 3.He is the tallest student in the class.He is _ in the class.taller

12、 than any other studentlessexpensivecheaperthanasexpensiveasSummary 1.形容词和副词比较级和最高级的构成。形容词和副词比较级和最高级的构成。（规则变化和不规则变化）（规则变化和不规则变化）2.形容词和副词的比较级的用法：形容词和副词的比较级的用法：用于两者之间的比较用于两者之间的比较 (than,much,far,a lot,a little,a bit,even,still)3.形容词和副词的最高级的用法：形容词和副词的最高级的用法：用于三者以上的比较用于三者以上的比较 (of,in,one of.)4.原级比较原级比较(as.as)与比较级和最高级之间的与比较级和最高级之间的 句型转换。句型转换。