外研版B1M5比较级等级结构

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(f6ur...)times +bigger, higher ,longer 等 than BEg: Your school id three bigger than ours.2) A is twice/ three(four...)times + as big, high, long 等 as BEg: This book is twice as thick as that one.3) A is twice/ three(four...)times + the size, height, width 等 of BEg: The new building is four times the size of the old one.4) A is twice/ three(four…)times + what-clauseEg: 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 ['f :f uld](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 thanhealth.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 + BEg: 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Anyone elseAny of the other + 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 twoEg: 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: 矿 She is no more careful than he is.IShe 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 timesEg: 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?。