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?