英语比较级(课堂PPT).ppt

单击此处编辑母版标题样式,单击此处编辑母版文本样式,第二级,第三级,第四级,第五级,*,比较级,1,构成法,原级,比较级,最高级,一般单音节词末尾加,-er,-est,tall,great,taller,greater,tallest,greatest,以不发音的,e,结尾的单音节词,加,-r,-st,nice,large,nicer,larger,nicest,largest,以一个辅音字母结尾的闭音节单音节词，双写结尾的辅音字母，再加,-er,-est,big,hot,bigger,hotter,biggest,hottest,“,辅音字母,+y”,结尾的词,改,y,为,i,再加,-er,-est,easy,busy,easier,busier,easiest,busiest,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,2,原级,比较级,最高级,good,well(,健康的,),better,best,bad,ill,worse,worst,many,much,more,most,little,less,lest,far,farther,further,farthest,furthest,不规则变化,3,写出下列单词的比较级和最高级,big tall,nice good,long easy,young hot,bigger biggest taller tallest,nicer nicest better best,longer longest easier easiest,younger youngest hotter hottest,4,The dog is,bigger,than,the mouse.,The horse is,the,biggest,of all,.,The boy is,younger,than,the man.,The baby is,the,youngest of the three,.,big,bigger,biggest,young younger,youngest,5,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,.,6,The dog,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：,7,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,tallest,in our class.,主语,+be +,the,+,最高级,+of/in.,形容词最高级句式的结构：,8,￥,30,￥,20,￥,10,Tom,Li Lei,Jim,young,cheap,tall,9,Jim is strong.,Li Lei is .,Tom is .,stronger,the strongest,Exercise,10,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,11,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、,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,12,1.,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(so)fat as I.,The weather in Beijing is not as(so)hot as that in Wuhan.,13,2.,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.,14,（,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 any 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.,15,C.,比较级,+and+,比较级 ：越来越,The earth is getting warmer and warmer.,China is more and more beautiful.,16,3.,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.,17,