形容词副词的比较级和最高级校级公开.ppt

,Yao Ming is Jordan.,Jordan is tall.,Yao Ming is taller.,Jordan,2.26m,1.98m,taller than,Lead-in,1.掌握形容词、副词比较级和最高级的构成 2.掌握形容词、副词等级的基本用法,Learning aims :,1、规则变化 单音节词和少数双音节词,形容词和副词等级的构成,fast high clever ,faster, fastest,higher, highest,cleverer, cleverest,1）一般情况加 er 或 est,fine late nice ,finer, finest,later, latest,nicer, nicest,以字母 e 结尾加 r 或 st,2),3),fat big thin ,fatter, fattest,bigger, biggest,thinner, thinnest,重读闭音节、末尾只有一个辅音字母时双写最后的辅音字母再加 er 或 est,4),early easy lucky ,earlier, earliest,easier, easiest,luckier, luckiest,以辅音字母加 y 结尾变 y 为 i 加 er 或 est,5),slowly - easily - carefully -,more slowly,- most slowly,more easily,- most easily,more carefully,- most carefully,部分双音节和多音节词在词前加 more 或 most,形容词和副词比较级和最高级的构成,2、不规则变化,形容词和副词等级的构成,2、不规则变化,说出下列形容词的比较级和最高级,1. many 2. difficult 3. big 4. heavy 5. cheap,more most,more - most-,bigger biggest,heavier heaviest,cheaper cheapest,课堂检测：,6.fast 7.high 8.clever 9.fine 10.late,faster fastest,higher highest,cleverer cleverest,finer finest,later latest,一. 原级的用法,1.A+谓V. +as +原级+as +B 表示A和B一样,他和他的哥哥一样高。,He is as tall as his brother.,Tom is as busy as Jack today .,汤姆今天和杰克(Jack)一样繁忙。,2.A+谓V. + not +as/so+原级 +as +B 表示A不如B,数学没有体育容易。,Math isnt as/so easy as PE.,这本书没有那本书好。,This book isnt as /so good as that one.,二.比较级的用法,其常见句式有： 1“A + be +比较级 + than + B” 意思为“A比B更”。 这棵树比那棵树高。 如：This tree is taller than that one.,This pen is shorter than that one.,这支钢笔比那支钢笔短。,2“比较级 + and + 比较级” 表示“越来越”,It becomes warmer and warmer when spring comes. 春天来了，天气变得越来越暖和了。,and连接同一个形容词的比较级。,我们班级变得越来越好了。,Our class becomes better and better.,3. 比较级特殊用法： the +比较级，the+比较级 “越，就越”,越多，越好,年龄越大，记忆力就会越差。 The older we grow, the poorer our memory will become.,The more， the better.,4.特殊句型： A is the +比较级of the two. A是那两个里较的那个,他是两个男孩中较高的那个。 He is the taller of the two boys.,She is the thinner of the two girls.,她是两个女孩中较瘦的那个。,三.形容词/副词的最高级的用法,当比较对象 大于等于三 表示“最”的意思。常接表示范围的介词短语。如：in/of/among等等。,He is the tallest in our class. 他在我们班里是最高的。,注意: 形容词最高级前一定要有定冠词the， 而副词最高级前则不需要。,例： He runs (the) fastest in his class,他是他们班里跑的最快的。,课堂检测：,用所给的形容词副词的适当形式填空。 1. Tom is _(tall) than Jim. 2. Tim is _(young) boy in his class. 3.David has _(many)story books of all the students. 4.Li Lei speaks English _ (well) in his group. 5.Lucy runs _(slowly) than Lily.,taller,the youngest,the most,best,more slowly,选择 ( )1.Who gets home usually _ in your family? A. the latest B. later C. early D. as late ( )2. The more we looked at the picture, _. A. we like it less B. the less we liked it C. better we liked it D. it looked better ( )3. What a pity. Lucy ran _ than Lily. A. a few slowly B. a little more slowly C. much slowly D. little slowlier,A,B,B,2. （11陕西) The price of this computer is the _ of the three. A. smallest B. biggest C. highest D. tallest,2.(2009江西中考)This maths problem is very difficult. It is_ that one. A. so easy as B. as difficult as C. much difficult than D. less easier than 3.When a machine is started, at first it runs slowly, and then_. A. fast and fast B. faster and faster C. fast,c,B,B,3.（10陕西)The _friends you have, the_ you will be. A more: happy B many: happy C. more: happier D. many: happier,c,4.This machine does not run as _ as that one. A. smoothly B. more smoothly C. most smoothly 5.The_ you work, the more you will learn. A. hard B. harder C. hardest,A,B,4. Which is _ season in Beijing?-I think its autumn. A.good B.better C.best D.the best,5. Which is _ , a bicycle or a computer? A. expensive B.more expensive C.the most expensive 6. The Yellow River is one of _rivers in China. A long B longer C the longest 7.She is the second _student in our class. A. tall B. taller C. tallest,D,B,C,C,far farther（指路程更远） / further（指意义深远或进一步） farthest / furthest oldolder（指年龄大小）/ elder（指家庭成员长幼）-oldest / eldest eg.1. Im too tired. I cant walk farther than you. 2. He went to America to do further study and get further information . 3. My elder brother is two years older than I.,Thank you! Goodbye!,巧记： 特殊形式比较级 共有三对二合一 坏病两多并