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1、初二形容词比较级和最高级总结规则变化规则变化n（1）一一般般情情况况下下单单音音节节或或双双音音节节的的形形容容词词（或或副副词词）比比较较级级er 最高级最高级est n（2）以e结尾的词，比较级r最高级st即可nnicenlargenicernicestlarger largestn（3）以辅音字母y结尾的变y为ier或estnheavynbusynearlyheavier heaviestbusierbusiestearlier earliestn（4）重读闭音节双写最后一个辅音字母er或estnthinnfatnbigthinner thinnestfatterfattestbigge
2、rbiggestn（5）多音节和部分双音节的词需要在形容词原级前more构成比较级the most构成最高级。nexpensive more expensivethe most expensive不规则变化ngoodnwellnmuchbetterbestbetterbestmoremostnfarnbadnlittlefarther farthestworse worstlesslessleast同等程度的比较nas as 和一样如：as old as 和.年龄一样 as tall as 和一样高 as clever as 和一样聪明n 不同程度的比较n比较级+than E.g.I am t
3、aller than Tom(is).我比汤姆高。Mary works harder than John(does).玛丽比约翰工作努力。（hard副词修饰动词work）This city is more beautiful than that(city).这座城市比那座城市美丽。不同程度的比较n比较级前用much,far,a lot,a little,even等表示程度She sings far/much better than the others.她唱得比别人好得多。Your book is far/much more interesting than his.你的书比他的书要有趣的多。
4、比较级+and+比较级n此结构表示程度的加深 E.g.Our life is getting better and better.我们的生活越来越好。当形容词（多音节词和双音节词）需加上more变成比较级时，表示“越来越”须用“more and more+形容词原级”Shanghai is becoming more and more beautiful.上海变得越来越美丽。Which(Who)isnWhich(Who)is+比较级用于两者比较，问“哪一个更”Who is taller,you or your father?你和你父亲，谁更高？Which(city)is more beauti
5、ful,Wuxi or Suzhou?无锡和苏州，哪个（城市）更美丽？最高级的用法n三者（或三者以上）的比较才能用最高级 （形容词最高级要加the）Mary is the tallest girl in her class.nOne of the+形容词最高级+名词复数表示“最之一”Shanghai is one of the biggest cities in the world.Which(Who)isnWhich(Who)is+the 最高级,A,B,or C?指3个以上的事物或人当中，哪一个（人）最为Who is the tallest of all the boys?在所有的男孩中，谁最高？Which is the fastest,a train,a car or a plane?火车，汽车和飞机，哪一个最快？倍数比较结构n1 倍数词+as+原级+asn My room is twice as big as his.n我的房间是他的2倍。n2 be+倍数词+名词nShe is twice my age.她的年龄比我大1倍。n3 倍数词+比较级nHe runs three times faster than his sister.他跑步比他的妹妹快3倍。