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1、Yangzhen Middle School Liu QingGood , better , best,Never let it rest .Till good is better,And better , best .好上加好，直到最好；精益求精，永无止境。Lets read!一、形容词、副词的比较级构成的规则变化 ： 1、 一般在形容词、副词后加上er表示比较 级原级 比较级 1）small small 2) young young 3) fast fast er erer2 、 以不发音的e结尾的，只加上r表示 比 较级。原级 比较级1) large large 2) nice nice
2、 3) fine fine rrr3 、以辅音字母+y 结尾的，把y改为i,然后 加上er表示比较级。原级 比较级 1）early early 2) happy happy ierier4 、 重读闭读闭 音节结节结 尾、且末尾只有一个辅辅音 字母，双写最后一个辅音字母，然后加上 er表示比较级。原级 比较级 1） big big 2) thin thin3) wet wet 4) fat fat 5) hot hot gernerterterter5 部分双音节和多音节的形容词，副词，在这些 形容词和副词前加上more表示比较级。原级 比较级 1) expensive expensive 2
3、) careful careful 3) exciting exciting 4) boring boring 5) interesting interesting6) carefully carefully moremoremoremoremoremore二、形容词和副词比较级的不规则变化原级级 good well bad(ly) ill many much little farold比较级较级说说明 巧记记： 特殊形式比较级较级 共有三对对二合一 坏病两多并两好 little意思不是小 一分为为二有两个 一是老来二是远远better worseless more farther furth
4、erolderelder三、部分形容词和副词的比较级的特殊情况：1、某些单音节形容词，加more 构成比 较级。glad more glad pleased more pleased tired more tired 2、有些双音节和单音节形容词，既可以加er构成比 较级，也可以加more 构成比较级。friendly friendier more friendlyhuge huger more hugecalm calmer more calmtrue truer more trueclever cleverer more cleverimportant easy wet happy car
5、eful thin good hot easily many big heavy delicious 练习：写出下列词的比较级more important easier wetter happier more careful thinner better hotter more easily more bigger heavier more delicious形容词的比较级一： 用法 用于两者（人或物）之间，表示“其中一个比 另一更”或“较”，后面通常用连词 than连结另一个比较的对象，其基本句型是： 主语谓语（系动词/行为动词）形容词比较级 （+其它）than对比对象。eg:Which c
6、ountry is larger?U.S.AAustraliaUSA is larger than Australia.The Yellow RiverWhich river is longer?The Changjian RiverThe Changjiang River is longer than the Yellow River.Linda has longer hair than lucy.LucyLinda（3）“比较级+and+比较级”表示“越来越”eg:In spring,the days are getting longer and longer.春天，日子越来越长了。She
7、 is more and more athletic .她越来越健壮了。than 后面接代词时，一般要用主格，但在口语中 也可以换成宾格。eg: He is good at math than I (me).他比我更擅长数学。（4）“The +比较级，the +比较级”表示“越，就越 ”eg：The busier he is ,the happier he feels.他越忙就越高兴。 （5）形容词比较级前可加数词，表示“大（小）多少”“长 （短）多少”eg:He is five years younger than me.他比我小五岁。 （6）表示倍数时用:“times（倍， 倍数）+比较级
8、+than”或 “times as+原级+as”eg:My room is three times bigger than yours.我的房间比你的大三倍。My room is four times as big as yours.我的房间是你的四倍。(8)、用比较级形式表示最高级的意思:比较级+than any other+单数eg:He is taller than any other boy in his class.vegetablespizzaWhich is more delicious,vegetables or pizza?(9)表示两者之间的选择， 可使用“Which wh
9、o is+ 比较级，or?” Who is more popular,Beckham or Zhao Benshan?Beckham Zhao BenshanTom is as tall as Mike. 汤姆和迈克一样高。as+形容词原形+asThere are as many students in our class as yours. 我们班有和你们班一样多的学生。 Tom is as old as Mike. 汤姆和迈克一样大。否定 not as+形容词原形+as “和 不一样”或 not so+形容词原形+as“不及不如 Lucy is not as tall as Mike.Lu
10、cy is not so tall as Mike. 露西没有迈克那样高。 二. 原级和比较级前面通常使用的修饰词： （一）在原级前面通常使用very, quite, too, much too, a little, as, so 等。eg: 1. The room is very big. 2. The person is quite clever. 3. Today is too hot. 4. He eats too much, so hes much too heavy. 5. He is a little angry.（二）在比较级前面使用的修饰词有：even（更，更加），a lit
11、tle（有点），far/ much/ a lot （更加，的多）eg: 1. Yesterday was hot, but today is even hotter. 2. Im a little taller than Mary. 3. This skirt is far/ much/ a lot more beautiful than that one. Follow ups(随堂练习)1、The Changjiang River is _ than any other river in China.A. shorter B. longer C. shortest D. longest 2
12、、Bob never does his homework _ Mary. He makes lots of mistakes.A. so careful B. as carefully as C. carefully as D. as careful as 3、_ she is, _ she feels.A. The more busy, the more happy B. The busy, the happyC. Busier, happier D.The busier, the happier 4、The weather is getting c_ a_ c_ .(越来越冷)BBD Dold
