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副词及其比较级与最高级
一.副词原级
副词可以用来修饰动词，形容词，副词本身，整个句子。
副词的主要构成规则如下：
1.直接在形容词后加-ly：quiet-quietly quick-quickly
2.以y结尾且y读音为 [i] 的，变y为i，再加-ly：happy-happily
heavy-heavily
3.以辅音字母加-le结尾，去e加-y：simple-simply terrible-terribly
4.以ll结尾，只需加-y：full-fully dull-dully
二.副词比较级和最高级的构成
（1）规则变化
以字母e结尾的直接加-r -st wide wider widest
以辅音字母加y结尾的词，把y变i再加-er -est early earlier earliest
多数双音节词和多音节词 在词前加more 、most happily more happily most happiest
（2）不规则变化
well better best
badly worse worst
much more most
little less least
far further furthest
farther farthest
三.副词比较级的用法
1.A+副词比较级+than+B “______________”
eg. It's raining harder than never.
the +副词比较级，the+副词比较级，“_______________”
eg. The earlier you start your work,the sooner you 'll get it finished.
副词比较级+and+副词比较级 “______________”
eg.The world’s population is growing faster and faster.
Which/Who+动词+副词比较级，A or B
eg.Which animal runs faster,a horse or a deer
副词最高级的用法
1.副词最高级+表示范围的短语或从句
eg. Of all the subjects I like English best.
2.Which/Who+动词+副词最高级，A， B or C
eg.Which animal runs fastest,a horse,a tiger or a deer
注意：
形容词副词同形
hard,daily,enough,fast,early,late,well,high,low,far,long,only,little
看起来是副词但其实是形容词
friendly,lovely,lively
形容词及其比较级与最高级
形容词的比较等级分为原级比较级和最高级
一．规则变化
long longer longest
以字母e结尾的直接加-r -st nice nicer nicest
以辅音字母加y结尾的词，把y变i再加-er -est easy easier easiest
多数双音节词和多音节词 在词前加more most beautiful more beautiful most beautiful
注意：
一些形容词说明形状，材质或程度，如round，square,wooden，golden，empty,true,right,wrong,correct,possible,impossible,final,favourite,
excellent,perfect等，没有程度可分或已经表示“最高程度”，没有比较级和最高级。
一些形容词，如clever,cruel,friendly,strict等比较级和最高级两种方法均可。clever: cleverer/more clever cleverest/the most clever
以形容词前缀un-构成的三音节形容词，加er或est,如：unhappy,unhappier,unhappiest
以y结尾的特殊形容词shy，比较级shyer,shyest
二．不规则变化
bad worse worst
good better best
far farther further farthest furthest
old elder eldest
many/much more most
little less least
注意：
（1）elder一般只作定语，不能做表语，表示家庭成员出生的先后，一般不与than连用。
eg：He is my elder brother. He is older than me.
farther一般表示距离更远，further既可以表示距离更远也可以表示程度上更进一步。
eg：He is too tired to walk any farther/further.
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形容词比较级的用法
A+形容词比较级+than+B “____________________”
eg.Health is more important than wealth.
形容词比较级+than any other+单数名词=形容词比较级+the other+复数名词 “_______________________”
eg.China is larger than any other country in Asia.
China is larger than the other countries in Asia.
表示数量的词+形容词比较级+than “_________________”
My sister is four years younger than me.
the+形容词比较级+of the two “_______________”
eg.He is the taller of the two.
形容词比较级and形容词比较级 “_______________”
eg. It is getting hotter and hotter.
the+形容词比较级....,the+形容词比较级... “_______________”
eg.The sooner,the better.
The younger you are,the easier it is to learn.
Which/Who+形容词比较级，A or B
eg.Which is the larger country,China or Canada
倍数+形容词比较级+than=倍数+as+形容词原级+as=倍数+the+(表示大小或数量等)名词+of “__________________”
eg.Your bag is twice heavier than mine.
Your bag is three times as heavy as mine.
Your bag is three times the weight of mine.
形容词最高级的用法
the+形容词最高级+名词+of/in/among+比较范围 “______________”
eg.I think autumn is the best season in Beijing.(in表示某一范围)
John is the cleverest of the three boys.（of表示“在同类之间”of后面的词与主语同类，名词前一般有冠词the）
Which river is the shortest among them.(the表示“三者或三者以上”)
one of the+形容词最高级+可数名词复数 “____________________”
eg.He is one of the tallest students in the class.
Which/Who+形容词比较级，A，B or C
eg.Which one do you like best,the first one ,the second one or the third one
4.the first/second /third...+形容词最高级+名词 “_______________”
eg.The Yellow River is the second longest river in China.
注意：
用the one,the ones,those,that,避免重复。
eg.The sweater is cheaper than the one we saw yesterday.
The oranges are bigger than those on the shelf.
The temperature of Shenyang is lower than that of Dalian in winter.
形容词比较级前可以用修饰词much,a lot,even,far,a little,a bit
eg.I feel much better now.
形容词原级比较级最高级互换。
eg.No one is as tall as him in his class.
He is taller than any other student in his class.
He is taller than the other students in his class.(the other students=the others)
He is taller than the rest of the students in his class.(the rest of the students=the rest)
He is taller than than any else in his class.
He is the tallest student in his class.
形容词最高级前一般要用定冠词the
eg.Shanghai is the biggest city in China.
China’s biggest city is Shanghai.
否定句中“a/an+比较级”表示最高级的概念。
eg.I have never seen a better film.
This is the best film that I have ever seen.
a most “非常...”This is a most important news.
the most “最...”

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