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. I’m just as busy today as I was yesterday. 表示二者的比较时用比较级eg. I’m 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. He’s 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）more…than…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 wasn’t so much that I disliked her as that I just wasn’t interested. 3)not more/er than与 no more/er thaneg.He is no richer than I= as poor asHe is not richer than I 4) more and moreeg. He is becoming fatter and fatter. 5). The more… the more…eg. 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eg. She is more than pretty. 8) more than 简直不eg. My trip to Beijing is more than sightseeing.