比较级与最高级讲义

形容词、副词比较级、最高级讲义比较级、最高级的构成：一、规则变化：①单音节和部分双音节的形容词一般在词尾加-er,--estEg: tall---taller--tallest smart---smarter----smartest②以字母e结尾的直接在词尾加-rEg: nice---nicer--nicest large---larger--largest③以“辅音+y 结尾的词，变y为i，再加-er”Eg: early---earlier--earliest happy---happier--happiest busy---busier--busiest④以重读闭音节的单个辅音字母结尾的词，双写辅音字母，再加-erEg: big---bigger--biggest hot---hotter--hottest⑤多音节或部分双音节的形容词在原级前面加moreEg: popular---more popular---most popular important---more important---most important二、不规则变化：少数形容词的比较级变化是不规则的：good/well---better---best bad/ill---worse---worstmany/much---more----most old---older/elder---eldestlittle---less---least far---farther/further--farthest/furthest考点总结：一、原级用法：1、表达“A和B一样”，用as…as的结构。

Eg. I am as tall as you.我和你一样高。

He runs as fast as I. 他跑得和我一样快。

2．表达“A不如B”用not as…as的结构。

公式: A+be动词的否定形式+as+形容词原级+as…+BA+助词的否定形式+动词+as+形容词原级+as…+BEg I am not as tall as you.我没有你高。

比较级和最高级讲义形容词的比较级和最高级副词的比较级和最高级1．大多数以ly结尾的副词前加more 和most 来构成比较级和最高级。

2．少数单音节副词，加er,est 构成其比较级和最高级。

比较级和最高级的常用句型比较级结构的修饰语1．用于原级之前：almost, nearly, just, exactly, quite, half , twice,three times , a third,etc.John is almost as tall as you.The river is three times as long as that one.We have a third as many students as we had last term.2．用于比较级前many, a few (用于"more +可数名词"前)It takes many more hours to go there by train than by plane.a lot, much , a bit, even, a little , still, a great deal, far, rather, two years, ten percent,three times etc.It's cold this year, but it's even colder last year.We produced 6% more grain this year than we did last year.3．用于形容词和最高级前the very , much the ,by far the ,the first/secondThis hat is by far the largest in the world.Gold is the very most valuable of all materials .位置与功能高考重点要求1．掌握形容词、副词比较级、最高级的常用句型及用法2．掌握形容词、副词的原级、比较级和最高级修饰语及倍数的比较表达。

比较级（一）比较级的构成：规则变化2. 其他双音节词或多音节词,在该词前面加-morebeautiful—more beautifuldifferent→more different3. 由形容词加ly构成的双音节词和多音节词,都是在该词前加-morequickly—more quicklydifficultly—more difficultlyeasily→more easily（二）比较级的用法（1）原级比较1. 原级比较：as+原级+as或者not as /so +原级+as ，用于两者之间对比，意思为“像……一样”Tom is as honest as Jack. Her skin is as white as snow. Tom runs as fast as Jones.He is not as /so tall as I. He didn’t come as/so early as Li Lei.2. too+副词原级+to do sth. Jean rides too slowly to catch up with me.3. so +副词原级+ that Jean rides so slowly that she can’t catch up with me.4. 副词原级+enough to do sth. Jean doesn’t ride fast enough to catch up with me.（2）比较级比较1）A+形容词比较级+than+ BSusan is happier than Jane. His brother is younger than me.Beijing is more beautiful than Osaka. This tree is taller than that one. Lily run faster than Mary(did).形容词比较级前还可以用much, even, still, a little, a lot, a bit, far, any, no，来修饰。