初中英语复习：形容词副词比较级和最高级课件(共25张).ppt

1、形容词、副词比较级和最高级的构成 将二者进行比较时，用将二者进行比较时，用比较级比较级。将三者或三者以上进行比较时，用将三者或三者以上进行比较时，用最高级最高级。什么情况下应用比较级和最高级什么情况下应用比较级和最高级?形容词和副词的比较级和最高级的构成形容词和副词的比较级和最高级的构成一、规则变化一、规则变化：二、不规则变化：二、不规则变化：词词 尾尾 变变 化化原级原级比较级比较级最高级最高级 hard fastlargewidebigthin dryearlyclever单音节词在词尾加单音节词在词尾加-er(比较级比较级)或或-est(最高级最高级)以字母以字母e接尾接尾的词加的词加-

2、r或或-st以重读闭音节结尾的词末尾只有以重读闭音节结尾的词末尾只有一个辅音字母应一个辅音字母应双写双写辅音字母再辅音字母再加加er或或est以辅音字母以辅音字母+y结尾的词结尾的词变变y为为i再再加加-er,或或-est少数以少数以er结尾的双音节词也是直结尾的双音节词也是直接加接加-er,或或-est你可以讲讲你可以讲讲吗？吗？一、单音节和、单音节和 部分双音节词部分双音节词harder hardestfaster fastest larger largestwider widestbigger biggestthinner thinnest drier driestearlier ear

3、liestcleverer cleverest 二、多音节词和、多音节词和 部分双音节词部分双音节词多音节词和部分双音节词在其前多音节词和部分双音节词在其前面加面加more more 和和 most most delicious seriouseasilymore delicious most deliciousmore serious most seriousmore easily most easily 原级原级 good wellbad/badly ill many much little/few far old 比较级比较级 最高级最高级better bestworseworstles

4、s/fewermore mostfarther较远较远further进一步进一步least/fewestfarthest最远最远furthest最大程度最大程度三、不规则变化、不规则变化older/elderoldest/eldest 原级 比较级 最高级importanteasythinoutgoingwellhotexpensivecheapmanylittlecan you?more important most importanteasier easiestthinner thinnestmore outgoing most outgoingbetter besthotter hott

5、estmore expensive most expensivecheaper cheapestmore mostless least注：注：older 一般指年龄大小一般指年龄大小 My father is older than my mother.elder指长幼关系指长幼关系(一般修饰名词作定语一般修饰名词作定语);My elder brother is a driver.farther指距离更远指距离更远 further指抽像的指抽像的,程度深的程度深的.He jumps farther than Tom.I want to study English further.二二.比较级句型

6、比较级句型1.比较级比较级+and+比较级比较级 表示表示“越来越越来越”Our country is getting stronger and stronger.moreand more beautiful 越来越漂亮越来越漂亮2.the+比较级，比较级，the+比较级比较级 表示表示“越越就越就越”The busier he is,the happier he feels.比较等级用法补充：比较等级用法补充：一一.原级：原级：(同级比较同级比较)1.表示两者在某一方面相同时：表示两者在某一方面相同时：as+形容词或副词的原形形容词或副词的原形+as Li Ming is as tall a

7、s me.李明和我一样高。李明和我一样高。Tom runs as fast as Jack.汤姆和杰克跑的一样快。汤姆和杰克跑的一样快。2.表示一方在某一方面不如另一方时：表示一方在某一方面不如另一方时：not as/so+形容词或副词的原形形容词或副词的原形+as I am not so busy as I used to be.我不像过去那么忙了我不像过去那么忙了三三.可以修饰比较级的词有：可以修饰比较级的词有：1.表示程度：表示程度：many，much,even,far,still,a little,a bit.Yao Ming is much taller than Pan.Im tw

8、o years older than you.我比你大两岁我比你大两岁The mountain is 3 times higher than that one.这座山比那座山高三倍这座山比那座山高三倍2.2.数词数词+比较级比较级:3.the+比较级比较级+of 表示表示“两者中更两者中更的那个的那个”John is the taller of the two.约翰是两个人中比较高的。约翰是两个人中比较高的。4.“which/who is+比较级，比较级，A or B?”表示表示“A和和B中，哪一个更中，哪一个更”Who is older,Li Ming or Jack?(三者或三者以上三者或

9、三者以上)谁是那四个男孩中最强壮的？谁是那四个男孩中最强壮的？Who is _ of the four boys?上海是中国最大的城市上海是中国最大的城市.主语主语+谓语动词谓语动词+the+最高级最高级+(单数名词单数名词)+in/of短语短语 表示表示在某一范围内或某类人中最在某一范围内或某类人中最.Shanghai is _ in China.the strongestthe largest四四.可以修饰最高级的词有：可以修饰最高级的词有：by far,far,much,mostly,almost,very the+序数词序数词+最高级最高级+单数名词单数名词+in短短语语 “在在中是第

10、几个中是第几个”黄河是中国第二长河。黄河是中国第二长河。The yellow river is _ river in China.中国是世界上第三大国家。中国是世界上第三大国家。China is _ country in the world.the second longestthe third largest(三者或三者以上三者或三者以上)英语是最有趣的科目之一。英语是最有趣的科目之一。English is one of _ of all the subjects.她是学校里最漂亮的女孩之一。她是学校里最漂亮的女孩之一。主语主语+谓语动词谓语动词+one of the+最高级最高级+复数名复

11、数名词词+in/of短语短语the most beautiful “.是最是最.之一之一”She is one of _ girls in the school.the most interestingthe most beautifulHe is taller than any other boy.He is taller than the other boys.1.A+谓语动词谓语动词+比较级比较级+than+any other+单单数名词数名词 “A比任何人或物都比任何人或物都”2.A+谓语动词谓语动词+比较级比较级+than+the other+复复数名词数名词 “A是最是最”比较级与

12、最高级之间的转换比较级与最高级之间的转换(三者或三者以上三者或三者以上)Which is the biggest,the moon,the earth or the sun?4.“which/who is+比较级，比较级，A，B or C?”表示表示“A，B和和C中，哪一个最中，哪一个最”1、This book is _(interest)than that one.2、Which is _(easy),math or English?3、This city is much _(beautiful)than that one.4、Today is even _(hot)than yesterd

13、ay.5、Tom is _(tall)of the two boys.1、My mother is_ (busy)in my family.2、Shenzhen is one of _(big)_(city)in China.3、The Yellow River is the second _(long)river in China.4、Which is _(big),the moon,the earth or the sun?5、This is_(beautiful)city that I have ever visited.中考热点中考热点1.The ice in the lake is

14、as _ as it was before.A.thin B.thinner C.thinnest D.the thinnest2.-How can I speak English_ you?-Youd better speak more.I think.Aas good as B.more than C.as well as D.as much asAC6、My father is three years_(old)than my mother.7、Now it is _ and _(warm).8、The _ you eat,the _(fat)you will become.9、Tom

15、is the tallest boy in his class.=Tom is taller than _ _boy in his class.=Tom is taller than _ _boys in his class.7.The more exercise you take,the _ you will be.A.weaker B.healthier C.luckier D.worse8.Everyone knows China is getting _ A.strong and strong B.stronger and stronger C.more strong and stro

16、ng D.strongest and strongestBB5.-Which is _,the sun,the moon or the earth?-Of course,the moon is A.small B.smaller C.smallest D.the smallest6.Oct.15th was one of _days in 2003.Shenzhou-V was sent up successfully.A.exciting B.more exciting C.the most exciting D.much exciting.DC3.In order to keep healthy,you should eat _ fast food,_ fresh vegetables and take enough exercise.A.fewer,fewer B.less,more C.fewer,more D.less,less4.My sister is good at sports.she can jump _than me.A.highest B.very high C.too high D.much higher BD