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1、,比较级,规则变化：,其他多音节词，在前面加 more,most 来构成比较急和最高级Important,beautiful,不规则变化,写出下列单词的比较级和最高级,big tall nice goodlong easyyoung hot,bigger biggest taller tallest nicer nicest better best longer longest easier easiestyounger youngest hotter hottest,The dog is bigger than the mouse.,The horse is the biggest of a
2、ll.,The boy is younger than the man.,The baby is the youngest of the three.,big,bigger,biggest,young younger,youngest,Jim,Li Lei,Tom,Li Lei is taller than Tom.,Jim is the tallest of all.,￥30,￥20,￥10,The yellow coat is cheaper than the purple one.,The brown coat is the cheapest of the three.,The dog
3、is bigger than the mouse,The boy is younger than the man.,Li Lei is taller than Tom.,The yellow coat is cheaper than the purple one.,Conclusion,A+be+比较级+than+B,形容词比较级句式的结构：,Conclusion,The horse is the biggest of all.The baby is the youngest of the three.The brown coat is the cheapest.Jim is the tall
4、est in our class.,主语+be+the+最高级+of/in.,形容词最高级句式的结构：,￥30,￥20,￥10,Tom,Li Lei,Jim,youngcheaptall,Jim is strong.Li Lei is.Tom is.,stronger,the strongest,Exercise,The blue car is nice.The red car the blue car.(红车比蓝车好看）The colour car of all.（彩色车最好看）,is nicer than,is the nicest,形容词比较级的用法：形容词比较级通常可分为原级、比较级、
5、最高级三种基本形式。as+原级+as 和相同比较级+than 比较为The+最高级+of(in)在中最为,1.原级的用法:(1)句型：A+动词+as+原级+as+B(程度相同)My uncle is as tall as your father.Her skin is as white as snow.This jacket is as cheap as that one.My dog is as old as that one.(2)否定句：A+动词+not+as+形容词原级+as+B=A+动词+not+so+形容词原级+as+B(表示A、B程度不同，即A不如B那么)He is not as
6、(so)fat as I.The weather in Beijing is not as(so)hot as that in Wuhan.,2.比较级的用法：（1）句型：A+动词+形容词比较级+than+B Mary is younger than I.Hangzhou is more beautiful than Wuhan.,（2）需注意的比较级用法在形容词比较级前还可以用much、even、still、a little来修饰 He is even slower than before.Japan is a little larger than Germany.B.比较级+than an
7、y other+单数名词（比其他任何一个别的都）He is better than any other student in his class.This watch is more expensive than any other watch in the shop.,C.比较级+and+比较级：越来越 The earth is getting warmer and warmer.China is more and more beautiful.,3.最高级的用法：1.句型：A+动词+形容词最高级+of（in）表示三者或三者以上的人或事物的比较，其中有一个在某一方面超过其他几个时，用最高级。最高级前面一般要加the,后面可带of（in）短语来说明比较的范围。Tom is the happiest of us all.This park is the most beautiful of the three.,
