2形容词和副词的比较级和最高级.doc

形容词和副词的比较级和最高级重点:1、了解形容词、副词比较级以及最高级的构成规则; 2、了解形容词、副词比较等级的用法。 6 精讲部分一. 形容词和副词在使用时都有三个级别:原级、比较级、最高级。例: (small smaller smallest) (tall taller tallest) (hard harder hardest) 比较级和最高级的构成有规则和不规则的变化两种 1 .规则变化单音节词和少数双音节词,在词尾加- er,- est 来构成比较级和最高级。多音节词,加 more , most 构成比较级和最高级构成法原级比较级最高级单音节词一般单音节词尾加- er,- es tall great strong taller greater stronger tallest greatest strongest 以不发音的e结尾的单音词,只加-r,- st nice large late nicer larger later nicest largest latest 以一个辅音字母结尾的闭音节单音词,双写结尾的辅音字母再加-er,-e st big hot fat bigger hotter fatter biggest hottest fattest 双音节词以辅音字母+y 结尾的双音节词,改 y为 i再加-e r, -e st easy busy early easier busier earlier easiest busiest earliest 多音节词在前面加 more, mos t来构成比较级和最高级 important beautiful happily more important more beautiful more happily most important most beautiful most happily 2. 不规则变化原级比较级最高级 good well better best bad ill worse worst Old older oldest much, many more most Little less least Far farther / further farthest / furthest 二. 形容词和副词的比较级和最高级的用法 1. as+原级+as表示“与……一样” The painting isas beautiful as that one .这幅画和那幅画一样漂亮。(形容词) He sings as well as his teacher. 他唱得和他的老师一样好。(副词) 注意: 在否定句中可用 not as(so) +原级+as与……不一样,不及……例: It is not as (so) cold in Shanghai as in Beijing in winter . 冬天上海的天气没北京的天气冷。(形容词) The girl doesn ’t run as quickly as the boy. ;女孩跑得不如男孩快。(副词) 2 .比较级+ than 表示“…比…更…” This hotel is cheaper than that one across the street .这家宾馆比街对面那家更便宜。(形容词) It is quicker to