形容词和副词的比较级最高级用法讲解课件

1、The Comparative Superlative Degrees of Adjectives & Adverbs形容词和副词比较级和最高级late later - latestearly earlier earliestbigbigger- biggestfluently/difficultmore, most重读闭音节、末尾只有一个辅音字母双写加 er 或 est单音节词在词尾比较级加- er或最高级加- est以e结尾的词，只需加r 或st以辅音字母加 y 结尾双音节词变 y 为 i 加 er 或 est部分双音节和多音节词在原级前加 more 或 most少数以er,ow 结尾的双

2、音节词加-er -esttalltaller- tallest clevercleverer-cleverestcheap, cold, small, warm, young, highfine, nice, safehappy, busy, dirty, easy, lazy, prettyfat, hot, red, thin, wet, sad narrow, yellow quickly, slowly, useful, careful, popular, modern, 一、1.形容词和副词比较级和最高级构成 规则 (规则变化)发音有些形容词的比较级和最高级用er和 -est 或 m

3、ore和 most皆可，如：clever , lovely 等.表示“较不“和”最不“时，可用less与least.difficult less difficult least difficult Interesting less interesting least interesting 形容词和副词比较级和最高级的构成2、不规则变化important _ _ easy_ _ wet_ _ happy_ _ careful _ _ thin _ _ good_ _ hot _ _ easily _ _ many_ _ nice _ _ big _ _heavy_ _delicious_ _m

4、uch_ _给出下列词的比较级和最高级 more importantmost importanteasiereasiestwetterwettesthappierhappiestmore carefulmost carefulthinnerthinnestbetterbesthotterhottestmore easilymost easilymoremostnicernicestbiggerbiggestheavierheaviestmore deliciousmost deliciousmoremost二、比较级（两者之间）基本句型(1) 两者相比: Which is+比较级,A or B

5、? 如: Which is bigger, the sun or the moon?(2)比较级+ than. 如: Mike is taller than John.(3)有of the two”, 用the+比较级. 如: Lucy is the more careful of the two.(4) 比较级前可用much/a lot /far/ a little /a bit/even/ any等修饰. 如: This book is much more interesting than that one. The blouse I bought yesterday is a littl

6、e less expensive. To play basketball is far more enjoyable to the boy. A +（be;实义动词）+比较级+than +B主语+谓语动词+adj./adv. 比较级+ than+ 对比成分三个等级:原级、比较级、最高级1.原级：即原形。 程度副词very,too,so,quite等修饰形容词的原级.如：very tall too hot so cold quite interesting asas ,(与一样） not as（so)as （与不一样）中间用原级。 eg:The story is as interesting a

7、s that one. eg:The question is not as / so difficult as that one.三、形容词和副词比较级的用法 1.表示两者之间的选择, 可用“Which/Who + 比较，or?”.2.表示两者之间的比较，通常用连词 than 引导， 表示“更一些”3.much/far/a lot, even ,still ,a little/a bit 修饰比较级,表示程度.Who runs faster, he or she?He runs faster than she.He runs much faster than she.4. “比较级+and+比

8、较级”表示“越来越”5. “the+比较级 , the + 比较级”表示“ 越, 越 ” 6. 表示不及另一方时，用“less+原级+than” (双音节和多音节词)He becomes healthier and healthier.The more you exercise, the healthier you will be.She is less healthy than he.He is healthier than she.Shanghai is becoming more and more modern.7、表示两者中”较“时， 用 the + 形容词比较级 + of 短语来表达

9、。 eg: He is the taller of the two.8、表示“是的几倍”，用“倍数+as+原级+as”结构，或者“倍数+比较级+than”结构。 eg: This classroom is three times as big as that one. This classroom is twice bigger than that one.1.表示比较双方程度不同时常用“not as/ so +形容词/副词+as”结构，意为“.不如”He is not as (so) tall as Lilei=He is less tall than Lilei.She does not

10、study so well as I do=She studies less well than I. 2. 在同级比较中可以在第一个as前加half,twice,three/four times 等词来表示倍数关系Their school is three times as large as ours.原级常用的句型结构 =less +原级结构示表示降级的比较级.意为“不如”.四、比较结构中需注意的问题（1）比较级与最高级的结构可以转换，意思不变。如： She is taller than any other girl in Class5. She is the tallest girl i

11、n Class5.（2）当某一事物与其它事物作比较时，被比较事物中不能包括本身。如： Shanghai is larger than any city in Hubei.（3）如果比较对象相同，可用 thatthose 代替第二个比较对象 。如： The weather in Shanghai is better than that in Wuhan. （4）如果主语是物主代词+名词，那么后面要用名词性物主代词. eg: His shirt is more expensive than mine.1.表示三者或三者以上比较,可用”Which/Who +最高 级,or ?”表示.2.最高级+of

12、/among (同类比较) in (范围比较)4.one of +形容词最高级+名词复数表示“最 之一”3.序数词修饰最高级五、形容词和副词的最高级的用法Who is the tallest, Tom , Mike , or Jack?Tom is the tallest of the three.Mike is the second tallest student in our class.Jack is one of the tallest students in our class.Tom runs (the) fastest in our class.5. Mary is the ta

13、llest of all the sisters in the family .在使用形容词最高级时，一定要把自己包括 在比较的范围内。6.Its our largest machine in our factory. 当最高级前有物主代词修饰时，其前不加定冠词the. 7.最高级 : 形容词的最高级要加定冠词the , 副词最高级可省略the, 主要句型有: eg. Jim works hardest of us all. My mother is the busiest in my family 疑问词+ 动词+ 最高级which subject do youl ike best, A,

14、B or C? 比较级与最高级的互换 比较级+than +any other +单数名词 比较级+ than + the other +复数名词 比较级 +than + anyone elseJim is the tallest in our class.（吉姆是我们班最高的）= Jim is taller than the other boys in our class.(在我们班上吉姆其它的男孩高)=Jim is taller than any other boy in our class.(吉姆比我们 班上任何一个男孩都高)= Jim is taller than anyone else

15、 in our class.( 在我们班上吉姆比其他任何人高）六.使用比较级和最高级的几个注意点 比较应在同类事物中进行. 避免双重比较.比较级和最高级前的修饰语不可误用.最高级后的介词in与of. a. in 表示“在内(指某范围内)” 可以跟表示单位,组织,时间等单数名词. b. of表示属性(指在同类的人,物中)后可接 the +基数词 / the +基数词+名词复数 / all +the +复数名词/all形容词的最高级前要用the比较级前不加the.一者比较用原级，比较级限二者比，三者三者往上比，最高级的用法起；若甲乙程度相同，asas 结构体；若甲某方面不及乙， not so/as

16、as来担起；中间形、副连接要切记！Remember “比较”出来的英语1. A friend is easier lost than found.朋友易失不易得。2. Enough is as good as a feast. 知足常乐。3. Better to do well than to say well. 说得好不如干得好。4. Better the last smile than the first laughter. 宁可最后微笑，不可首先狂喜。5. Doing is better than saying.会说不如会做。6. Two heads are better than on

17、e. 两人智慧胜一人。7. Good to begin well, better to end well.善始好，善终更佳。8. An eye finds more truth than two ears.百闻不如一见同义句转换 Flat A is more expensive than Flat B Flat B is _ _ than Flat A. Flat B is _ _ Flat A. Flat B is not _ _ _ Flat A. 2. I prefer maths to English. I like maths _ English.better than3.He is

18、 the tallest student in the class. He is _ in the class.taller than any other studentany other +名词单数lessexpensivecheaperthanasexpensiveas 1.Hainan is a very large Island .It is the second _ island in china. (large)2.Our teacher is as _ as before.(busy).3.He is _ among us. (careful)4.Li Lei jumped far _ than Jim.(f