英语比较级课件

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1、构成法构成法原级原级比较级比较级最高级最高级一般单音节词末尾加-er,-est tall great taller greater tallestgreatest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

2、加 more ,most 来构成比较急和最高级Important,beautiful原级原级比较级比较级最高级最高级 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big tall nice goodlong easyyoung hot bigger biggest taller tallest nicer nicest better best longer longest easier e

3、asiestyounger youngest hotter hottestThe 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 youngeryoungestJimLi LeiTomLi Lei is taller than Tom.Jim is the tallest of all.￥30￥20￥10The yellow coat is

4、 cheaper than the purple one.The brown coat is the cheapest of the three.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形容词比较级句式的结构：形容词比较级句式的结构：The horse is the biggest of all.The baby

5、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.形容词最高级句式的结构：形容词最高级句式的结构：￥30￥20￥10TomLi LeiJimyoungcheaptallJim is strong.Li Lei is . Tom is .strongerthe strongestThe blue car is nice.The red car the blue car.(红车比蓝车好看）红车比蓝

6、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 形容词比较级的用法：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、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。 as+ 原级原级 +as 和和相同相同 比较级比较级+than 比比较为较为1. The + 最高级最高级 +of(in) 在在中最为中最为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

7、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.2.比较级的用法：（1）句型：A+动词+形容词比较级+than+B Mary is younger th

8、an 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 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. 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.