2018届中考英语一轮复习---形容词副词的比较级和最高级公开课教学课件 (共31张PPT).ppt

《2018届中考英语一轮复习---形容词副词的比较级和最高级公开课教学课件 (共31张PPT).ppt》由会员分享，可在线阅读，更多相关《2018届中考英语一轮复习---形容词副词的比较级和最高级公开课教学课件 (共31张PPT).ppt（31页珍藏版）》请在淘文阁 - 分享文档赚钱的网站上搜索。

1、,形容词副词的比较级和最高级,Yao Ming is Jordan.,Jordan is tall.,Yao Ming is taller.,Jordan,2.26m,1.98m,taller than,Look and say,Lead-in,Liu Yifei is thin.,Xiaoming is thinner than Liu Yifei .,Mike is the thinnest of all,Xiaoming,Mike,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 :,复习：回顾旧知识,回顾旧知识,1、规则变化 单音节

2、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

3、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. many2. difficult3. big4.

4、 heavy5. cheap,more most,more - most-,bigger biggest,heavier heaviest,cheaper cheapest,课堂检测：,6.fast7.high8.clever9.fine 10.late,faster fastest,higher highest,cleverer cleverest,finer finest,later latest,走入新知识,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 b

5、usy 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.

6、,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

7、.,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

8、 (the) fastest in his class,他是他们班里跑的最快的。,活 动(activity),看图造句（关于比较级和最高级句子）,asas,fat thin,Mrs liang,Miss lv,Mrs yang,Mr zhu,小组合作：,每小组用既含有比较级又含有最高级的句子编造对话，可适当增加内容。派三名成员上台表演。,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 st

9、udents.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 l

10、iked 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,中考链接,2. （11陕西) The price of this computer is the _ of the three.A. smallest B. biggestC. 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 asC. much difficult than D. less easier than,c,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,总结（我的收获）：,作业：用形容词副词的等级的各种形式写一篇30字左右的短文。,Thank you! Goodbye!,