英语比较级省公共课一等奖全国赛课获奖课件.pptx

第1页组成法原级原级比较级比较级最高级最高级普通单音节词末尾加-er,-est tall great taller greater tallestgreatest以不发音e结尾单音节词,加-r,-st nice large nicer larger nicest largest以一个辅音字母结尾闭音节单音节词，双写结尾辅音字母，再加-er,-est big hot bigger hotter biggest hottest“辅音字母+y”结尾词,改y为i,再加-er,-est easy busy easier busier easiest busiest规则改变：其它多音节词，在前面加 more,most 来组成比较急和最高级Important,beautiful第2页原级原级比较级比较级最高级最高级 good well(健康)better best bad ill worse worst many much more most little less lest far farther further farthest furthest不规则改变第3页big tall nice goodlong easyyoung hot bigger biggest taller tallest nicer nicest better best longer longest easier easiestyounger youngest hotter hottest第4页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.bigbiggerbiggestyoung youngeryoungest第5页JimLi LeiTomLi Lei is taller than Tom.Jim is the tallest of all.￥30￥20￥10The yellow coat is cheaper than the purple one.The brown coat is the cheapest of the three.第6页The dog is bigger than the mouseThe boy is younger than the man.Li Lei is taller than Tom.The yellow coat is cheaper than the purple one.A +be+比较级比较级+than+B形容词比较级句式结构：形容词比较级句式结构：第7页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.主语主语 +be +the +最高级最高级+of/in.形容词最高级句式结构：形容词最高级句式结构：第8页￥30￥20￥10TomLi LeiJimyoungcheaptall第9页Jim is strong.Li Lei is .Tom is .strongerthe strongest第10页The blue car is nice.The red car the blue car.(红车比蓝车好看）红车比蓝车好看）The colour car of all.（彩色车最好看）（彩色车最好看）is nicer thanis the nicest第11页 形容词比较级使用方法：形容词比较级使用方法：形容词比较级通常可分为原级、比较级、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。最高级三种基本形式。1.as+原级原级+as 和和相同相同2.比较级比较级+than 比比较为较为3.The+最高级最高级+of(in)在在中最为中最为第12页1.原级使用方法:(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程度不一样，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.第13页2.比较级使用方法：（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.第14页（2）需注意比较级使用方法A.在形容词比较级前还能够用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（比其它任何一个别都）He is better than any other student in his class.This watch is more expensive than any other watch in the shop.第15页 C.比较级+and+比较级 ：越来越 The earth is getting warmer and warmer.China is more and more beautiful.第16页3.最高级使用方法：1.句型：A+动词+形容词最高级+of（in）表示三者或三者以上人或事物比较，其中有一个在某首先超出其它几个时，用最高级。最高级前面普通要加the,后面可带of（in）短语来说明比较范围。Tom is the happiest of us all.This park is the most beautiful of the three.第17页