比较和最高水平.docVIP

比较级及最高级 一、构成 （一）词尾加法 1、+er est, soon , hard , bright 2、+r st, large, late, nice 3、变y为i， happy , early , busy 4、重读、闭音，双写 big, thin （二）能用more 和most 构成比较级的词 1、极少数的单音词，2、分词形容词，3、绝大部分双音节词，4、三音节及以上的词 （三）特殊变化 good / well bad / badly / ill far old little much / many （四）读法（1）以 ng结尾的词+er 后要读/g?/ longer, longest young （2）以r结尾的词要读出/r/ clearer clearest tenderer纤弱的;?嫩的;?温柔的;?疼痛的 sore [s?:(r)]疼痛的;?使人伤心的;?恼火的，发怒的 sorer sorest 二、用法 1、原级比较 as+ ad + as +比较级 He did as much as possible. Jack works as hard as his brother. It is just as hot today as (it was) yesterday. None is so blind as those that won’t see. (熟视无睹，才是真瞎) I’ve never seen anyone as happy as Sue. 2、倍数 + as + ad + as + 比较内容 Beijing is ten times as big as my hometown. This tower is half as tall as that tree. 3、as + adj +a(n) + n. +as +比较内容 He is as poor a speaker as I. This is just as good a car as the other. (这车同另一辆一样好) 4、as + ad + as +any other +n /any of +ns He is as diligent (adj.勤奋的;??用功的;?费尽心血的) as any other boy in his class. This room is as big as any other room in the flat. 5、as + ad +as +数字或表时间的短语 This car can run as fast as 150kilometers in an hour. I saw her as late as last December.我去年十二月份刚见到她 He has been in hospital as long as 2 years. 6、as + ad + as （+代词主语+谓语）+ad She is as wise as (she is ) beautiful. (用来对同一事物的两个方面的性质进行比较) This rug (地毯) looks as wide as (it is ) long. **如果与主语相比的对象为人称代词，通常用主格，非正式文中也可用宾格，如果还跟有谓语，则必须用主格 John is almost as tall as I / me /I am. **用一个分句作比较的对象，而分句中的谓语动词与主句中的谓语为同一动词（be除外）时，常要用do代 Joe doesn’t run as fast as John runs(X) /does. I wish I could play the piano as well as he does. **As之后的分句中常省略与主句重复的成分，如主语，谓语，状语等，但，不能因省略而弄错比较的对象或造成误解。 Mary’s voice is as sweet as a bird(’s voice). (X) You like her as much as I /me. (I →I like her; me→You like me) **成语 as white as snow, as light as a feather, as cold as ice常省略第一个as Her skin is white as snow. 三（一）ad比较+than+比较对象 1、China is a little larger than the USA. (两个单项之间比) 2、He is richer than us a