形容词和副词的比较级
比较级的含义
形容词和副词有三个等级：原级、比较级和最高级。
其中比较级用于两者之间的比较，表示前者比后者更(不)……
2 比较级的构成
(1)规则变化（五个字就搞定了!）
直直接加-er，fast→faster:
去以不发音的e结尾，去e加-er，nice→nicer;
双以重读闭音节“辅元辅”结尾，双写末尾辅音，再加-er，big→bigger:
改以“辅音字母+y”结尾，改y为i，再加-er. busy→busier;
more多音节词和部分双音节词，前加more. important→more important.
(2)不规则变化
口诀：两多两好三不好，一老一远加一少
两多many /much →more
两好good/well →better
三不好(坏) bad/badly /ill→worse
一老old →older/elder
一远far →farther /further
一少little→less
3 比较级的常用句型结构
(1) A+be动词+形容词比较级+than+B.
A+实义动词十副词比较级+than+B. A比B…
例:China is larger than Italy.
(2) “比较级+and+比较级”"more and more+原级”表示“越来越……”
例:It's getting hotter and hotter. 天气越来越热。
The world becomes more and more beautiful.世界变得越来越美丽。
(3)“the+比较级，the+比较级”表示“越……越……”
例:The more,the better.
(4) A+be动词+the+比较级+of the two(+可数名词复数). A是两者中较……的。例: My brother is the taller of the two boys.
我哥哥是这两个男孩中较高的那一个.
(5) 疑问词+be动词+形容词比较级，A or B?
疑问词十实义动词十副词比较级，A or B?
例:Which is longer.the ruler or the pencil? 哪一个更长，直R还是铅笔?
比较级的其他用法
(1)同级比较的句型
“as+形容词或副词原级+as”表示两者在某一方面相同
"not as/so+形容词或副词原级+as”表示一方在某一方面不及另一方
例:Today is as hot as yesterday. 今天和昨天一样热。
He doesn’t study as/so hard as his brother .他学习不如他弟弟努力。
(2)倍数的表达
1倍: once: 2倍: twice : ≥3倍：基数词+times
A+be动词+倍数+as+原级+as+B. 1583
例: This bed is twice as big as that one. 这张床和那张床的两倍一样大。
2. A+be动词+倍数+形容词比较级+than+B.
例:The box is three times bigger than that one. 这个箱子比那个箱子大三倍。
3.A+be动词+倍数+the +名词(size、height、length、1889
weight. ) of+B.
例:This street is four times the length of that street
(3)比较级的修饰词
1."much/a lot/far+比较级”意为“……得多’
例:I'm much more outgoing than her. 我比她外向得多。
2."a little/a bit+比较级”意为“稍微……"
例:This box is a bit heavier than that one.这个箱子比那个重一点。
3.“even+比较级”意为“甚至……
例: This dress is even more beautiful than that one. 这条裙子甚至比那条更漂亮。
形容词和副词比较级
I.单项填空专项练习
( )1.My daughter Anna is____than my son Jack.
A.outgoing
B. more outgoing
C. the most outgoing
D.outgoinger
( )2.一Which is_____, the blue one or the red one?
-The blue one.
A. good
B. better
C. best
D. the best
( )3.一Could you tell me why you learn English so well?
- It's very simple.___you study,_____grades you will get.
A. The harder;better
B. The harder;the better
C.Harder;better
D. Harder;the better
( )4.I'm proud of Ezhou, our homeland.
- So am I. It is becoming
A. more and more beautifully
B. more beautiful and beautiful
C. more and more beautiful
D. more beautifully and beautifully
( )5.一I think it's necessary to learn how to work in groups.
—I agree. Sometimes it's even___than grades.
A. more important
B. less important
C. the least important
D. the most important
( )6.The girls bridge in Shanghai is_____other one in China.
weight的最高级A. long
B. the longest
C. longest
D. longer
( )7.This street is much___than that one.
A. Wide
B. wider
C. widest
D. the widest
( ) 8.一Can I keep the book a little_____?-Sorry. You have to return it on time. A.Shorter    B. bigger    C.longer    D. smaller
( ) 9.It's not as_____as I thought.
A. hard
B. harder
C. hardest
D. the hardest
( ) 10. It was a hundred times_____than I'd expected.
A. fun
B. more fun
C. the most fun
D. funny
二..写出下列形容词或副词的比较级。
1. quiet __________
2. interesting________
3. quickly________
4. much_________
5. easy___________
6.wet______________
7.well__________ 8.fine__________ 9. friendly _________
10. important___________
三．根据句意，用括号中所给单词的适当形式填空。
1. Everyone think s Peter is _(funny) than his brother.
2. Mr. Green's second son is as ____(smart) as his first son.
3. Who sings___________ (clearly), Tom or Nancy?
4. Both my grandpa and grandma are eighty years old, but my grandma is___(healthy).
5. Of the two girls,I find Lucy the__________ (good).
6. The____ (hard) you study, the___(good) grades you will get.
7. Your bike is more beautiful than____(her).
8. Jack is 2 years_____(old) than me.
9. Which is____(smart), the tiger or the rabbit?
10.Gina is very_______(heavy),but Sam is a lot _______(heavy)

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