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1、形容词的比较级和最高级 一 形容词的比较级和最高级的用法 在英语中，在表示两者作比较时，形容词要用特别的形式，称为“比较 级”，三者及三者以上作比较时用“最高级”，原来的形容词称为“原级”。.You look taller than me.你比我高。You are heavier than me.你比我重。I am the strongest in my class.我是我们班最强壮的。二.形容词比较级和最高级句型结构 1.比较级句型：主语 A+be 动词+形容词比较级+than+B A比 B.He is older than me.他比我年长。【拓展】比较级的其他表达方式 the+形容词比较
2、级+of the two+表示.是两者中较的。.He is the heavier of the two boys.Look at the two boys.My brother is the taller of the two.比较级+and+比较级表示越来越。.He is getting taller and taller.他越来越高。the+比较级，the+比较级表示越越。.The more careful you are，the fewer mistakes youll make 你越细心，就会越少犯错误。he more we get together,the happier we w
3、ill be.我们聚得越多，我们就越开心 The harder you work,the better youll be.你越努力工作，你就会变得越好。辅助练习：1.Jim is _ than all the others.(tall)2.Things are getting _ and _.(bad)3.The higher you climb,the _ it will be.(cold)2.最高级句型：主语+be 动词+the+形容词最高级+介词短语 （介词短语：in my class,in the room,in the hall）.He is the tallest in our c
4、lass.【拓展】最高级的其他形式 主语+be+one of the+形容词最高级+复数名词+in/of 短语表示是中 最之一.Beijing is one of the largest cities in China.序数词+最高级.Hainan Island is the second largest island in China.辅助练习：changjiang river is _(long)river in China.2.The Yellow River(Huang He)is _（第二长）river in China.形容词的比较级和最高级变化规则 B.部分双音节与多音节的词比较
5、级在原级之前加 more,最高级在原级之前加 most 构成 原级 比较级 最高级 单 音 节 和 少 数 双 音 节 单 词 一般词尾加-er,-est tall long old small taller longer older smaller tallest longest oldest smallest 以字母 e 结尾的形容词或副词,直接加-r,-st nice fine large nicer finer larger nicest finest largest 以重读闭音节结尾的形容词或副词,如末尾只有一个辅音字母,双写该字母,再加-er,-est big hot fat th
6、in bigger hotter fatter thinner biggest hottest fattest thinnest 以“辅音字母+y”结尾的形容词或副词，把 y 变为 i，再加-er,-est heavy busy early easy heavier busier earlier easier heaviest busiest earliest easiest beautiful-more beautiful-most beautiful interesting-more interesting most interesting difficult-more difficult
7、 most difficult C.不规则变化的形容词:little/few-less least good better-best bad/ill-worse worst far -farther/furtherfarthest/furthest many/much more most .比较一下下列句子，领悟原级、比较级、最高级的用法。Tom is tall.他很高。Tom is as tall as John.汤姆和吉姆一样高。Bob is taller than John.鲍勃比约翰高。John is the tallest of the three.约翰是三个当中最高的一个。John
8、 is the tallest in his class.约翰在他们班最高。【课外拓展】1.在比较等级中常用much,a lot,far,even等常修饰比较级，表程度。.姚明比我高多了。Yao Ming is very taller than I.（误）Yao Ming is much taller than I.（正）2.在比较等级的句型中，比较的双方必须是同类事物，否则会引起歧义。即人与人，物与物的比较。.他的尺子比我的长。His ruler is longer than me.（误）His ruler is longer than mine.（正）3.形容词最高级前一般有定冠词，但如果
9、前边也有物主代词，名词所有格等词来修饰 时，定冠词 the 常被省略。.加里是我最好的朋友。Gary is my the best friend.（误）Gary is my best friend.（正）4.形容词比较级前一般不加定冠词，但句中有“of the two”结构表示“两者中较的一个”时，定冠词 the 要加上。.苏珊是这两个女孩子当中较胖的一个。Susan is fatter of the two girls.（误）Susan is the fatter of the two girls.（正）同步练习：一、选择题。1.She is _ than _.A.busier/us B.b
10、usier/we C.more busy/us D.more busy/we 2.Jane is _ than Betty.A.less taller B.less tallest C.less tall D.not as tall 3.China is _ country in the world.A.the third largest B.the largest third C.the third large D.a third largest 4.-Which is _ season in Beijing -I think its autumn.A.good B.better C.bes
11、t D.the best 5-Which is_,the sun,the moon or the earth -Of course,the moon is.A.small B.smaller C.smallest D.the smallest air in Beijing is getting much _ now than a few years ago.A.clean B.cleaner C.cleanest D.the cleanest 7.Mobile phones are very popular now and they are _ than before.A.cheap B.ch
12、eaper C.cheapest D.the cheapes 8I study English as_ as my brother.A.hard B.harder C.hardest D.the hardest 9.Which is _,a bicycle or a computer A.expensive B.more expensive C.the most expensive 10.The Yellow River is one of _rivers in China.A.long B.longer C.the longest D.longest 二、写出下列单词的比较级和最高级。1.n
13、ice _ 2.fat _ 3.slow _ 4.dry _ 5.happy _ 6.wet _ 7.much _ 8.ill _ 9.little _ 10.bad _ 三.根据句意，用所括号内所级形容词的正确形式填空。1.Mr.Smith is _ man in this office.(rich)2.Winter is _ season of the years.(cold)4.It is much _ today than yesterday.(hot)5.She is a little _ than her classmates.(careful)6.Bob is _(young)t
14、han Fred.but _ (tall)than Fred.7.Almost all the students faces are the same,but Li Deming looks _ _(fat)than before after the summer holidays.is _ (heavy),a duck or a chicken 9.An orange ia a little _(big)than an apple,but much _(sm all)than a watermelon.How _(tall)is Sally -She s metres _ (tall).Wh
15、at about Xiaoling -She s only metres _ (tal)l)She is much _ (short)than Sally.2)She is also the _(short)girl in the class.四、课堂总结：和学生一起，对本次课的主要内容作总结概括，并用红笔留痕。五课外作业布置：（）1.Ken is _ than Ann.A.tall B.teller C.taller （）2.Who is the _ A.oldest B.older C.old （）3.How _ is Ken A.many B.much C.heavy （）m 147 _
16、 tall.A.kilograms B.centimeters C.meters （）5.The book is _ of the two.A.thinner B.the thinner C.more thinner （）6.Which do you like _,coffee,tea or milk A.the worst B.worse C.the worse (）is 40 kg.Tom is 38 kg.Tom is _ than Jim.A.taller B.thinner C.heavier (）8.Tom is 120 cm.Jack is _.Than him.A.tall B
17、.taller C.heavier()9.My sister is good at sports,She can jump _ than me.A.highest B.too high C.much higher 一写出以下各形容词的比较级和最高级：1.thin _ 2.far _ 3.early _ 4.careful_ 5.exciting _ 6.busy _ 二 根据句意，用所括号内所级形容词的正确形式填空：1._ people came to the meeting than last time.(many)2.Which book is _,this one or that one
18、(easy)3.My room is _ than yours.(small)4.Hainan is _ from Beijing than Hunan.(far)5.Skating is _ than swimming.(exciting)is _(bad)at learning maths.He is much _(bad)at Chinese and he is the _(bad)at English.7.Annie says Sally is the _(kind)person in the world.8.He is one of the_(friendly)people in t
19、he class,I think.9.A dictionary is much _ (expensive)than a story-book.Annie plays the piano very _(well).-Sue plays it _(well)than Annie.And Sally plays it the _ _(well).11.The Changjiang River is the _(long)river in China.12.Sue is a little _(beautiful)than her sister.13.Saturday is my _(busy)day
20、in a week.14.Her mother is getting _(fat)and _(fat).15.I think it s too expensive.I d like a _(cheap)one.16.He comes to school much _(early)than I.17.Your classroom is _(wide)and _(bright)than ours.18.Practise as _(much)as you can.19.The _(much),the _(good).20.Most of the students think a lion is much _(dangerous)than a bear and It is the _(dangerous)animal in the world.21.Nowadays(现在)English is _(important)than any other subject,1 think.difficult is physics-I m not sure.-Is it _ (difficult)than maths-I don t think so.