英语形容词的比较级.docx
形容词的比较级形容词的比较级1.含义绝大多数形容词有三种形式,原级,比较级和最高级,以表示形容词说明的性质在程度上的不同。(1)形容词的原级:形容词的原级形式就是词典中出现的形容词的原形。例如:poor ,tall ,great, glad, bad 。(2)形容词的比较级:形容词的比较级表示“更”,用于两者之间的比较,用来说明“前者比后者更” 比较级前面一般用much, even, a little, a lot修饰,其中even, much只能修饰比较级。 2 .形容词比较级的构成:单音节词和少数双音节词:类别构成方法原级比较级单音节词和少 数双音节词一般直接加-erlongtalllongertaller不发音的e结尾时加-rlatelargelaterlarger辅音字母加y结尾时把y变i, 再加-ereasyhappyeasierhappier重读闭音节结尾并且只有一个 辅音字母时,双写最后的辅音 字母,再加-erbigHotfat/thinbiggerhotterfatter/thinner多音节词和部分双音节词:类别构成方法原级比较级多音节词和部分双 音节词在原级前加morecarefulbeautifulmore carefulmore beautiful在原级前加lessimportantusefulless importantless useful少数不规则变化:good一better bad一worse far一farthermany/much一morelittle一less 等3.形容词比较级的用法:(1)当两个人或事物(A和B)进行比较时,我们需要用到形容词的原级或者比较级 表达“A大于B”用“比较级+than”的结构。公式:A+be动词+形容词比较级+than+BI am taller than you.我比7f尔高。表达"A和B 一样”,用as.as的结构。公式:A+be动词+as+形容词原级+as+BI am as tall as you.我和你一样高。表达"A不如B"用not as/so.as的结构。公式:A+be动词的否定形式+as+形容词原级+as+BI am not as tall as you.我没有你高。“比较级+and+比较级”表示“越来越It is getting warmer and warmer. 天气越来越暖和。He is running faster and faster.他跑得越来越快。“the more*, the more”表示"越,就越”,The more, the better.多多益善。The more careful you are, the fewer mistakes you will make.你越细心,/口错就 越少。表示“两个中比较的:the +比较级+ of the twoHe is the better of the two .他是这两个人中比较好的。(2)关于形容词比较级的更多用法比较级前面可以加上表示具体数量差别的结构,表示具体“大多少”,“小多少”,“长多 少”,“短多少”等。I am two years older than he.我比他大两岁。This building is 20 meters higher than that one.这个建筑物比那个高 20 米。练习一.用括号中所给动词的正确形式填空。1 .Hong Kong is( hot) than Shanghai.2 .My coat is( new ) than yours .3 .Wuhan is( small) than Beijing .4 .Zhang Hua is very( busy ). She's( busy ) than Li Ling .5 .The river is( wide ) than that one .6 .Millie is( clever ) than Sandy .7 .Which is(interesting ), this book or that one .8 .He becomes and(thin ).9 .Thc( much ) you cat, the( fat) you arc !10 .This coat is the( cheap ) of the two .二.选择()1.My sister9s apple is than yours.A 上 igB.biggerCbiger D.biggest( )2.Tom is than Jim.A.tallB.taller C.tallest D.the tallest()3.It,s not hotter than Hong Kong. It9s .A.sunnyB.colderC.smallerD.larger( )4.Bob never does his homework Mary. He makes lots of mistakes.A. so careful asB. as carefully asC. carefully asD. as careful as( )5.Now air in our town is than it used to be. Something must be done to it. A. very good B. much better C. rather than D. even worse()6.1 feel _ better than yesterday.A. much B. very C. the D. more()7.Usually Xiao Li spends _ time doing homework than XiaoChen does. A.little B. less C. few D. fewer()8.A horse is than a dog.A.much heavyB.more heavier C.much heavier D.more heavy( )9.Which do you like, tea or coffee?A well B betterC bestD most()10.The baby cried.A. harder and harderB. hardest and hardestC. more and more hard D. hard and hard