形容词和副词的比较级.ppt

形容词和副词的比较级形容词和副词的比较级的含义Ø大多数形容词和副词有三个等级：原级、比较级和最高级期中比较级表示“更……”,用于两者（人或事物）之间的比较，说明“前者比后者更……”,比较级前常用even, much, a lot ,等修饰，比较级的句子中常含有than.形容词和副词的比较级的构成 （一）规则变化1，单音节和部分双音节形容词或副词一般在词尾加 -er smart--smarter fast--faster high--higher small--smaller形容词和副词的比较级的构成Ø2， 以不发音的字母e结尾的，直接加-r.Ønice--nicer fine--finer3，以“辅音字母＋ｙ结尾的”，把ｙ变ｉ，再加-erØearly--earlier happy--happierØeasy--easier heavy--heavier形容词和副词的比较级的构成4，以重读闭音节结尾的单词，如果末尾只有一个辅音字母，先双写这个字母，再加-erØbig--bigger thin--thinnerØhot--hotter形容词和副词的比较级的构成5,多音节和部分双音节形容词或副词在原级前加more。

popular--more populardifficult--more difficultbeautiful--more beautiful形容词和副词的比较级的构成6，由“动词+后缀-ing / -ed ”构成的形容词，在词前加more.interesting--more interestingexciting--more excitingbored--more boredrelaxed--more relaxed形容词和副词的比较级的构成7,由形容词+后缀 -ly 构成的副词，在该副词前加more.Øslowly--more slowlyØhappily--more happilyØdifferently--more differently(二)不规则变化Ø部分不规则形容词或副词Øgood/well----betterØbad / ill / badly----worseØmany /much----moreØlittle----lessØfar----farther/furtherØold----older/elder形容词或副词比较级的用法Ø1，形容词或副词的比较级常用于两者之间比较，表示两者之间的差异，构成多为“主语+谓语(连系动词)+形容词或副词的比较级+than+比较对象”。

Øeg. His pen is bigger than mine.Ø This sweater is too big, do you have a smaller one ?Ø He jumped higher than you.形容词或副词比较级的用法Ø2,形容词的比较级可以有much,a little ,even, far 等表示程度的词来修饰，用以加强语气ØYou look a little thinner than last year.ØYour sister looks much taller than before.形容词或副词比较级的用法Ø3,“比较级+and+比较级”或“more and more + 原级（多音节或部分双音节词）”意为“越来越........”ØMy brother is taller and taller.ØOur city is becoming more and more beautiful.ØHe is running more and more slowly.形容词或副词比较级的用法Ø4,“the + 比较级+句子，the +比较级+句子”意为“越......,就越.......”.ØThe more you read,the more you know.ØThe more vegetables you eat,the healthier you will be.形容词或副词比较级的用法Ø5,as....as...意为“与....一样....”否定形式“not as /so...as...”意为“不如...., ”，或“与...不一样...”, 也是一种表达比较的形式，相当于“less+形容词/副词+than”.但as/so...as中间用形容词或副词的原级。

ØThis room is as big as that one.ØThis room is not as/so big as that one.ØThis room is smaller than that one.形容词或副词比较级的用法Ø6,“the +比较级+of the two”表示“两个中比较.....的”ØThe blue sweater is the cheaper of the two.Ø这件蓝色的毛衣是两个中比较便宜的ØThe little boy is the taller of the two.形容词或副词比较级的用法Ø7,“比较级+than any other+单数名词”表示“比任何其他的.....都....”.ØTom is taller than any other boy in his class.ØTom比他们班里其他任何一个男孩都高ØThe red ball is bigger than any other ball in the box.形容词或副词比较级的用法Ø8, “Which / Who is +比较级 ，A or B ? ”Ø"A和B中哪一个/谁更......"ØWhich is bigger ,the sun or the moon?ØWho is more beautiful , Lily or Lucy?形容词或副词比较级的用法Ø9,表示“大几岁”、“长几米”之类的比较级时，用 “数量+比较级+than”。

ØI am two years older than my brother.ØThis street is 100 meters longer than that one.ØHe is two centimeters taller than me.。