比较级规律

形容词、副词的比较级变化规则:
单音节和少数双音节形容词、副词比较级的构成。

1) 在词尾加-er ：tall — taller smart—smarter short — shorter
high —higher fast --- faster
2) 以不发音的字母e 结尾的，加-r：nice — nicer large — larger
fine — finer late — later
3) 重读闭音节以一个辅音字母结尾的，先双写辅音字母，再加-er。

big — bigger fat — fatter thin — thinner
hot —hotter wet— wetter red--- redder
4) 以辅音字母+y结尾的双音节词，先改y为i，再加-er。

happy—happier early— earlier funny—funnier easy — easier
5) 多音节形容词或副词，前面加more。

beautiful - more beautiful difficult - more difficult
形容词、副词比较级的不规则变化：
good/ well – better bad/badly/ill – worse many / much - more
little - less old—older/elder far - farther / further
写出下列形容词的比较级
funny quiet smart outgoing
hard quickly slowly
brightly happily carefully well 比较级的用法
1. 可以修饰比较级的词，much，a lot，far，…的多，a little，a bit (一点儿)，even (甚至)，still (仍然)。

如：第一课比第二课容易得多。

Lesson One is much easier than Lesson Two.
汤姆看起来甚至比以前年轻。

Tom looks even younger than before.
这辆火车比那辆车快得多。

This train runs much faster than that one.
1、“甲+ be + (倍数) + as + 形容词原级+ as + 乙”表示“甲和乙程度相同”或“甲是乙的几倍”。

如：汤姆和凯特一样大。

Tom is as old as Kate.
汤姆是凯特的两倍大。

Tom is twice as old as Kate.
“甲+实意动词+ (倍数) + as + 副词原级+ as + 乙”表示“甲和乙程度相同”或“甲是乙的几倍”。

如：汤姆和汤姆跑得一样快。

Tom runs as fast as Mike.
汤姆比汤姆跑得快两倍。

Tom runs twice as fast as Mike.
2 “甲+be + not + as / so+形容词原级+as+乙”表示“甲不如乙…”。

如：
This room is not as / so big as that one.
“甲+助动词+not+动词原形+as / so+副词原级+as+乙”表示“甲不如乙…”。

如：He doesn’t walk as slowly as you.
3、“甲+ be + (倍数) + 形容词比较级+ than + 乙”表示“甲比乙…”或“甲比乙…几倍”。

如：汤姆比凯特高。

Tom is taller than Kate.
这个房间比那个房间大三倍。

This room is three times bigger than that one. 4、“甲+实意动词+(倍数)+副词比较级+than+乙”表示“甲比乙…”或“甲比乙…几倍”。

如：I got up earlier than my mother this morning.
He runs three times faster than his brother.
5、“比较级+and+比较级”或“more and more+原级（多音节或部分双音节词）越来越……
我妹妹越来越胖。

My sister is fatter and fatter .
我们的城市正变得越来越美丽。

Our city is becoming more and more beautiful . 他跑得越来越慢。

He runs more and more slowly .
6.甲+be+the +形容词比较级+of the two…甲是两者中比较……的哪一个
Amy is the shorter of the two girls . David is the taller of the two boys.
7、“the+比较级...，the+比较级...”表示“越……，越……”。

如：
The more careful you are, the fewer mistakes you’ll make.
The more you read, the more you know.
8、“特殊疑问词(Which/Who)+be+形容词比较级，甲or乙?”。

如：
Which is bigger, the earth or the moon?
“特殊疑问词+实意动词+副词比较级，甲or乙?”。

如：
Who draws better, Jenny or Danny?
9、名词+介词短语+be+形容词比较级+than+that（those）+介词短语。

The weather in Harbin is colder than that in Hangzhou.
The flowers in Yunnan are more beautiful than those in Beijing.
10、...比较级+than any other +单数名词... 比其他的任何一个...都...。

用比较级的形式表达最高级的含义。

He is taller than any other student in our class.
He jumps higher than any other student in our class.
选择填空
1、Which does Jimmy like _____, Chinese or Art?
A. well
B. best
C. better
D. much
2. My moon cake is nicer______ his.
A. like
B. with
C. for
D. than
3.My hair is longer than ______.
A. my sister
B. Kate
C. my brother’s
D. Lucys’
完成句子
1. 这个盒子比那个重。

This box is ______ _______ that one.
2. 你下次一定要做得更好。

You must ____ ______ next time.
3. 他学习比他的哥哥努力得多。

He studies ______ ______ ______ his brother.
4. 谁想去远一点的那个公园? Who wants to go to _____ ________ park?
二、句型转换。

1、This picture looks beautiful, but that one looks more beautiful.(同义句)
That picture looks ______ _________ _______ this one.
2. She has longer hair than Emma.(同义句) Her hair is ______ _______ _______.
3.Helen studies hardest in her class.(同义句)
Helen studies ________ than ______ _______ student in her class.
4. My father is two years older than my mother. (同义句)
My mother is _______ _______ _______ than my father.
5. Li Lei is taller than his twin brother. (同义句)
Li Lei is _______ ________ of the twins.
6. Dave is heavy, but he can run very fast. (同义句)
________ Dave is heavy, he can run very fast.。