形容词比较级和最高级用法英语中大多数形容词有三个等级：原级，比较级和最高级。（在同类事物中比较）一、比较级的构成1.规则变化：1） 原级 比较级 最高级great greater greatest small smaller smallest clean cleaner cleanest单音节词比较级在尾加 最高级在词尾加 。2） 原级 比较级 最高级fine finer finestwide wider wider单音节如以 e 结尾，比较级在尾加 最高级在词尾加 。3）原级 比较级 最高级big bigger biggesthot hotter hottestred redder reddest闭音节单音节词如末尾只有一个辅音字母，须先 这个辅音字母，比较级在尾加 最高级在词尾加 。4）原级 比较级 最高级happy happier happiestearly earlier earliest以辅音字母+y 结尾, 把 y , 比较级在尾加 最高级在词尾加 。5）原级 比较级 最高级clever cleverer cleverestnarrow narrower narrowestable abler ablest少数以-y，-er，ow，-ble 结尾的 音节词，比较级末尾加 ，最高级加 。6）原级 比较级 最高级careful more careful most carefuldifficult more difficult most difficultdelicious more delicious most delicious其它 音节和 音节词，比较级在单词前面加 ，最高级在单词前面加 。2.不规则变化原级 比较级 最高级good/well better bestbad/ill worse worstmany/much more mostlittle less leastfar farther/further farthest/furthest注： less important least important 形容词前如加 less 和 least 则表示 和 。二、比较级用法（一）同级比较I am as tall as you. He runs as fast as you.1.表达 A 和 B 一样，用 的结构。A + be 动词 + + 形容词的 + + BA + 实义动词 + + 副词的 + + BThis film is as as that one.(interest)Your pen writes as as mine.(smooth)Your answer is the same as his. He wants to buy the same shirt as I have.2.以上两个句子用到 ，表示 。A +动词 +the same+名词+as.+B 或者 A +动词+the same as.+BYour answer is his.Dont make mistakes you did last night.（二）两者比较1. I am taller than you. He runs faster than I.A+be 动词+形容词 + +BA+实义动词 +副词 + +BThis pencil is_ _ than that one.(long)2.形容词、副词比较级更多用法。He is much taller than I.I jump a little higher than he. 比较级前面可以加上表示“优劣程度”的词或短语，意思是“更” ，常见词有 much, a little, even, a lot, a great deal 等。 The high-speed trains are faster than the common ones.I am two years older than he. This building is 20 meters higher than that one.表示具体“大多少” ， “小多少” ， “长多少” ， “短多少”等,比较级前面可以加上表示具体数量差别的结构。Im three years than her.(young)It is getting warmer and warmer 0ur country is becoming more and more beautiful“比较级+ +比较级 ”表示“越来越He is running and (fast)The more, the better. The more careful you are, the fewer mistakes you will make.“the more ，the more”表示“越，就越。 ”The more you smile, the _ you will feel.(happy)The taller of the two boys is my brother. “the +比较级of the two”表示“两个当中较的一个。 ”The of the two children is Kate.(thin)（三）三者或三者以上比较（形容词或副词的最高级）He is the tallest in our class. He jumps the highest of the three boys. 1.主语+be 动词+the +形容词最高级 +（名词）+表示范围的介词短语或从句主语+实义动词+ （the）+最高级+ 表示范围的介词短语或从句表达“是中最的”,用“ +形容词（副词）的 ”的结构。后面可以加上表示范围的介词短语或从句。This is book that I have ever read.(good)He is one of the best students in our class.This is one of the most beautiful flowers in the garden.2.表示“最的中一个” ，用“ +the +最高级+ ”的结构来表达注意：(一) 形容词的最高级前面有定冠词 the , 而副词的最高级前面定冠词 the 可以省略。但在形容词最高级前有物主代词时，不能要定冠词 the. （二）常见的用来表示范围的介词有 in, of, among【语法专项练习题】 原级 比较级 最高级 原级 比较级 最高级large fastgood stronglittle manypatient importantfar badeasy wellwet expensive选择填空。1. I am _ than my brother, but my little sister is the _ of us. (fat, fatter, fattest ) 2. Which can swim _, fish or sharks? ( well, better, best ) 3. Look at that boy, he is running _ (fast, faster). 4. The new library has _ (many, more) books than the old one. 5. In the gym, Tommy is playing table tennis _ (well, better) than Jimmy. 6. The film is the _ (horrible, more horrible, most horrible) film of all. 7. Its summer now. The weather is getting _.(hot and hot, hotter and hotter, hottest and hottest) 8. The U.S.A. is one of _ (richer, most rich, the richest) countries in the world.选择1、That boy looks as as a boxer. A. strong B. stronger C. strongest D. more strong 2、Im not sure whether Mary can sing Ann. A. as well as B. as good as C. as better as D. so good as 3. Is Tara shorter than Tina?- Yes, she is _ Tina.A. as tall as B. not as tall as C. taller than D. as short as4. My friend Mary is _ me.A. as age as B. as the same age as C. as older than D. the same age as5. Which do you like , apples or oranges?A. good B. better C. best D. well 6. When we speak to people, we should be .A. as polite as possible B. as polite as possiblyC. as politely as possible D. as politely as possibly7. This book is_ that one, but_ than that one.A. as difficult as; expensiveB. as more difficult as; more expensiveC. as difficult as; more expensiveD. more difficult as; as expensive8. I think the story is not so _ as that one.A. interesting B. interested C. more interesting D. most inter