第2个回答 2016-10-19
表示两者(人或物)比较时，相比较的对象应是同类事物，不同类的事物无法比较，我们常用以下句型：
⑴ A>B或A<B（…比较级+than…）
This room is smaller than that one.
This story is more interesting than that one.
⑵ A=B（…as+原级+as…）
This cake is as big as that one.
Swimming is as exciting as climbing.
⑶ A≠ B (① not as/so+原级+as… 与……不一样,②more+原级… 超过……)
Jim is not as/so tall as Li Lei.
John is more hard-working than Joan.
English is more useful than Japanese.= Japanese is not so/as useful as English.
⑷表示程度的递增（-er+-er或者more and more +多音节的形容词原级，越来越……）
When winter comes, the days get colder and colder.
My hometown is becoming more and more beautiful.
(5)表示两种情况同时变化。（the+比较级…, the+比较级 越来越……）
The busier she is, the happier she feels.
The less she worried, the better she worked.
The more we get together, the happier we’ll be.
(6)A>B>C… (…the+形容词或副词的最高级+in/of/among+比较范围…，最……)
He is the tallest of the three.(of表示所有关系时，介词后的词与主语同类。)
Jim writes most carefully in his class. (in表示范围。)
This picture is the most beautiful among these.(among后接代词或没有修饰语的名词。)
(7)A=B>C>D>…（…one of the+最高级+可数名词的复数形式+in/of… ,最……之一）
Rose is one of the most careful girls in her class.
Ann studies the hardest of all the students in our class.
.(8)不用比较级的形式对事物进行比较，我们常见有以下词组：
be like, look like, look the same, be the same as…,be alike, be different from…,be unlike, be alike.
This story is like that one.
Ann looks like her mother.
Lily and Lucy look the same.
Lily and Lucy are alike.
Han Mei’s shoes are the same size as mine.
Steel is different from / unlike iron.
(9)强调比较程度时，比较级可用的修饰词有：much, far, still, even, no, any, a lot, a little, a bit,等.
A kangaroo is even taller than a man.
Please come here a little earlier.
The job is far more difficult than he thought.
Li Lei jumps much farther than Jim does.
(10)形容词比较级+“the”的句型。
He is the cleverer of the two boys.
(11)形容词最高级不加“the”的情况。
Today is my happiest day.
(12)比较级经典同义句转换
1.A horse is more useful than an elephant.
= An elephant is a horse.
2.She is the tallest of the three.
= She is than the .
3.Li Lei runs fastest in his class.
= Li Lei runs faster than in his class.
= Li Lei runs faster than any of the other students in his class.
= Li Lei runs faster than in his class.
= Li Lei runs faster than in his class.
4.I think mathematics is more useful than physics.
= I don’t think physics is math.
5.. which is the larger country, China or America?
= Which is , China or America?
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