比较级的规则,适用于哪些地方和例子

比较级的规则,适用于哪些地方和例子
比较级的规则,适用于哪些地方和例子

比较级的规则,适用于哪些地方和例子
形容词和副词的比较等级
一．形容词副词比较级最高级的构成
A.规则变化：
1一般情况在词尾加—er—est fast—faster—fastest
2以e结尾的词直接加—r—st nice—nicer—nicest
3以辅音字母加y结尾,变y为i再加—er—est easy—easier—easiest
4以一个元音字母加一个辅音字母结尾,且是重读音节,则双写再加- -er—est big—bigger—biggest thin –thinner—thinnest hot—hotter—hottest fat—fatter—fattest
5部分双音节和多音节形容词副词,分别在形容词前加more,most 够成
useful—more useful—most useful
beautiful—more beautiful—most beautiful
注意：tired –more tired fun—more fun glad –more glad pleased –more pleased
B不规则变化
good / well— better—best
bad/badly/ill — worse –worst
many/much —more –most
little— less – least
far—farther/further—farthest/furthest
old—older/elder—oldest/eldest
二形容词副词比较级最高级的用法
比较级的用法
1用于两者比较：比较级+than+比较从句
The earth is bigger than the moon.
2两者相等比较：as+原级+as
Tom is as tall as Jack.
两者不相等比较：not as/so+原级+as =less +原级+than
He is not as careful as his sister.
=He is less careful than his sister.l
=His sister is more careful than he.
3比较级+and+比较级,表示“越来越”
The weather gets warmer and warmer.
He is getting fatter and fatter.
English is becoming more and more important.
She is getting more and more beautiful.
4the+比较级,the+比较级,越…越…
The sooner,the better.越快越好.
The harder he works,the happier he feels.
注意：
1为了避免重复,than后面的从句中有些成分可省去
He is older than I (am).
2为了避免重复,than后面的从句中,常用that代替一个单数名词或不可数名词,用those代替一个复数名词.
Our life is much better than that (=our life)of those days.
The students in your class are more careful than those (=the students)in our class.
3比较级前可用much得多,a little 一点,even更加 ,still更加,far得多,two years 等表示程度的状语来修饰.
He is much stronger than his elder brother.
Your school is a little bigger than ours.
I am two years older than you.
4比较对象要一致,不能自我比较.
Shanghai is larger than any city in Anhui.
I am taller than any other student in our class.
Chinese is more popular than any other subject.
比较级+than any other +名词单数
=比较级＋than any of the other+ 名词复数
=比较级+than anyone else
He is taller than any other student in his class.
=He is taller than any of the other students in his class.
=He is taller than anyone else in his class.
=No one is taller than he in his class.
=He is the tallest in his class.
5特指“二者之一”时,用the+比较级+of the two(+复数名词)结构.
He is the taller of the two boys.
The watch is the cheaper of the two.
6which/who is +比较级,A or
Who is taller ,Tom or Jack>
Which is bigger ,the egg or the apple?
7I am ten years older than you.
She is a head taller than I .
Our room is twice larger than theirs.
8than 前后谓语动词的一致性.
Tom ran faster than I did last year.
He speaks English better than she does.
9many more +名词复数 much more +不可数名词
There are many more books in this library than in that one.
There is much more water in this cup than in that one.
10than后面人称代词的格
主格与主格,宾格与宾格相比
A.句中谓语动词是不及物动词,两者均可
I get to school earlier than he/him every day.
B.句中谓语动词是及物动词有差异
I like you more than him.=I like you more than I like him.
I like you more than he.=I like you more than he likes you.
最高级的用法
1用于三者或三者以上的比较：
the +形容词最高级+名词+比较范围
He is the tallest student in our class.
2表示“最…之一”：one of +the +形容词最高级+名词复数
Shanghai is one of the most beautiful cities in China.
3序数词通常只修饰最高级
The Changjiang River is the longest river in China.
The Yellow River is the second longest river in China.