形容词的比较级

1、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一般直接加-erlongIon gertalltaller不发

2、音的e结尾时加-rlatelaterlargelarger单音节词和少 数双音节词辅音字母加y结尾时把y变i，再加-ereasyeasierhappyhappier重读闭音节结尾并且只有 一个辅音字母时，双写最后bigbigger的辅音字母，再加-erhothotterfat/thi nfatter/th inner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morecareful beautifulmore carefulmore beautiful在原级前加lessimporta nt usefulless importa ntless useful少数

3、不规则变化：goocHbetter badworse farfarther many/much more little 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 ”勺结构。公式:A+be动词+形容词比较级+than+BI am taller tha n you.我比你高。 表达“A和B 一样”用asas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/soas的结构。公式:A

4、+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 gett ing 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，犯错就越少。 表示“两个中比较的：the +

5、 比较级+ of the twoHe is the betterof 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 tha n 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. H ong Kong is( hot ) tha n Shan ghai .2. My coat is( new ) t

6、ha n yours .3. Wuha n is( small ) tha n Beiji ng .4. Zha ng Hua is very( busy ) . Sh'( busy ) tha n Li Ling .5. The river is( wide ) tha n that one .6. Millie is( clever ) than Sandy .7. Which is( in teresti ng ), this book or that one .8. He becomesand( thin ).9. The( much ) you eat , the( fat

7、) you are !10. This coat is the( cheap ) of the two .选择( )1.My sister a'psple is than yours.A.bigB.biggerC.biger D.biggest( )2.Tom is than Jim.A.tallB.tallerC.tallest D.the tallest( )3.It 'nost hotter than Hong Kong. It ' _s.A.sunny B.colder C.smaller D.larger( )4.Bob never does his home

8、work Mary. He makes lots of mistakes.A. so careful as B. 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 thanD. even worse( )6.I feel _ better than yesterday.A. muchB. very C. the D. more()7.Usually Xiao Li spends _ time doing homework than XiaoChen does.A.little B. lessC. fewD. fewer()8.A horse is _ than a dog.A.much heavyB.more heavierC.much heavier D.more heavy( )9.Which do you like, tea or