外研版B1M5比较级等级结构

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外研版B1M5比较级

等级结构

1、倍数表达法

表示倍数比较的句型

1)A is twice/ three(four…) times +bigger, higher ,longer 等than B Eg: Your school id three bigger than ours.

2) A is twice/ three(four…) times + as big, high, long 等as B

Eg: This book is twice as thick as that one.

3) A is twice/ three(four…) times + the size, height, width 等of B Eg: The new building is four times the size of the old one.

4) A is twice/ three(four…) times + what-clause

Eg: The production now is twice what it was 5 years ago.

提示:用times表示倍数,只限于3倍及3倍以上,两倍用twice,一半用half,三倍也可以用triple ['tripl](三倍),fourfold ['fɔ:fəuld](四倍)。

2、原级比较句式

1)as + adj / adv +as = the same + n +as 和…一样,表肯定

Eg: He is as old as I. = He is the same age as I.

2) not as / so + adj / adv + as = less + adj + than 不如,表否定

Eg: Wealth is not so important as health. = Wealth is less important than

health.

3) as + adj +(a / an)+ n + as 和…一样…

Eg: I have as many books as Tom.

3、比较级的句式

A+ 谓语+ 比较级+ than + B

Eg: A box made of iron is stronger than one made of wood.

提示:

Any other +单数名词

比较级+than +All the other +复数名词

复数名词

4、比较级特殊句式

1)表示递进关系,越…越…,the + 比较级(+主语+谓语),the + 比较级

Eg: The hard he works , the happier he feels.

2) 不与其他事物相比较,越来越…,比较级+ and +比较级

Eg: The weather is getting colder and colder.

3) 表示两者中较…的一个,the + 比较级+of the two

Eg: Who want the bigger of the two?

4) no more than = only 只,不超过,不多于

Not more than = at most 最多,至多

Eg: We have learnt no mare than 20 new words in a week.

We have learnt not mare than 20 new words in a week.

5) no more …. Than 和…一样不

Not more …than 不像….那样,不如…

Eg: She is no more careful than he is.

She is not more careful than he is.

6) no less than = as much as

多达,….那样多,至少,起码, 意为本身数值大

Not less than 不少于

只说明数据本身

Eg: No less than 10 people were injured in the accident.

Not less than 10 people were injured in the accident.

7) more …than 与其…不如…。说明同一个人或物的两种性质或状态。Eg: He is more wise than diligent.

8) more than + 主语+can +谓语,

非…所能…,….不能表示否定

Eg: The beauty of the city is more than I can describe.

9) A is To B what C is to D . 犹如…一样

Eg: Air is to man what water is to fish.

10)比较级与否定词连用,表示肯定的最高级

Eg: We can’t have a nicer one.

5、比较级的程度状语

1)表示一方比另一方“强,大,高….得多“时,在比较级前加much, far, a lot, by far, a great deal等

Eg: He is far taller than his younger brother.

2)表示一方比另一方“一点点”时,常用a bit, a little, slightly(轻微的,少量的)等

Eg: She came a little earlier than I this morning.

3)表示一方比另一方“甚至,更”等语气时,用even, still, yet等Eg: We must unite to win a still greater victory.

4) 表示一方比另一方“高一头,长两米,大三倍”等时,比较结构前家,a head, two meters, three times

Eg: He is a head taller than his father.

This rope is two meters longer than that one.

5)疑问句中用any 修饰比较级。

Eg: Are you feeling any better today?

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