比较级(上).doc

专业英语辅导：语法重点总结 比较级（上）比较等级的含义英语中形容词与副词有三个比较等级，即原级，比较级和最高级。一般来说， 表示等于时用原级。Eg. Im just as busy today as I was yesterday.表示二者的比较时用比较级eg. Im much busier today than I was yesterday.表示“最”时用最高级Eg. That was the busiest day of my life.存在句形容词与副词比较等级的构成构成 原级 比较级 最高级单音节词尾加er, est great greater greatest单音节词尾e, 加r, st fine finer finest闭音节单音节词尾只有一个辅音字母,双写 big bigger biggest辅音字母加er,est少数以y,er,ow, ble结尾双音节词尾加er,est happy happier happiest(y前为辅音字母去y加 clever cleverer cleverest er,est）其它双音节词和多音节词，前加more, difficult more difficult most difficultmost不规则变化副词比较等级的构成副词比较等级的构成大致与形容词比较等级的构成相同，但以后缀ly结尾的副词用more和most。hard hardest hardestearly earlier earliestquickly more quickly most quickly不规则变化形容词与副词比较等级的基本用法A. 基本形式“as +原级+as” 结构eg. Hes as tall as I.B否定的同级比较常用 not as as或 not so aseg. He does not smoke so heavily as his brother.C变体1) as + much/many + 名词+ as2) as +形原级 + a + 名词 +as3) as + 形+ 不可数名词+ as4) 名词复数+as +形 + as5) the same as/ be similar to比较级A.基本结构“比较级+than” 结构eg.He is taller than I .She sees me more often than she sees her brother.B变体1）形比较级 + 名 + than2）名 + 形比较级 + than3）the + 形比较级 + of + the two4）superior/ inferior to最高级A. 常用“the +最高级+比较范围”eg. This is the best picture in the hall.He sings the best in the class.B. 变体1) more than any other2) Not + 比较等级关于比较结构用法的补充说明1）morethan是而不是，与其说是不如说是eg.She is more been than wise.He is more a writer than an artist.2） not so much as与其说是不如说是eg. It wasnt so much that I disliked her as that I just wasnt interested.3)not more/er than与 no more/er thaneg.He is no richer than I= as poor asHe is not richer than I4) more and moreeg. He is becoming fatter and fatter.5). The more the moreeg. The harder she worked, the more progress she made.6）more than 多于eg. More than 1000 people attended the meeting.7）more than 不止， 超过e