| 1.形容词比较级和最高级的构成规则有两种:一是由原级加词尾er和est,二是在原级前加more和most。不规则形式最常见的如下:
 
 
 
               
                | 原级   比较级   最高级  | 原级   比较级  最高级 |   
                | goodwell
 | better | best | badill
 | worse | worst |   
                | manymuch
 | more | most | few | fewerless
 | fewest |   
                | little | less | least | old | olderelder
 | oldesteldest
 |   
                | late | laterlatter
 | latestlast
 | far | fartherfurther
 | farthestfurthest
 |    有些形容词有两种比较级和最高级形式,其意义和用法有一定的区别。a. 在口语中,less 可作为 few 的比较级,修饰复数可数名词,如:
 I've made less mistakes than last 
              time.
   b. older 和oldest说明人的年纪或事物年代的年长或久远,elder和eldest 说明家庭成员的长幼关系,如:My elder son is two years older 
              than you.
   c. later 和latest表示时间,而latter 和last 表示顺序,如:I shall be back by two o'clock at the latest.
 He was the last one to come.
   d. 表示方式、距离时,farther, farthest与further, furthest可通用,但further 还有"进一步的"等意思,不是far 
              的比较级,如:Don't make any changes till further 
              notice.
   2. 形容词级的用法a. 同级比较用"as + adj. + as "及"not as/so + adj. +as"的句型,如:
 This stick is as (not as/so) long as 
              that one.
    b. 比较级是指两者间的比较,用"形容词的比较级+than"句型,如:Two heads are better than one.
   比较级前可有表示程度的词或短语修饰,如:much, still,(by)far, ever, a bit, a little, 
              a lot, twice,threetimes,somewhat等,如:He is much taller than Mary.
   比较级常用"the+比较级+the+比较级"(越…就越…)和"比较级+ and +比较级"(越来越…)等结构, 
              如: The longer 
              (is) the wire, the larger 
              (is) the resistance. (导线愈长,电阻愈大。)
 Our life is getting better and better.
   借自拉丁语的一些形容词,如:superior, inferior, senior, junior等,表示比较时用介词to,不用than,如:John is superior to Tom in ability.
   3.最高级是指三者或三者以上进行比较,其后往往有一个由介词of, among, in等构成的短语或有一个从句表示范围,如:She is the tallest girl in the 
              class.
 
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