形容词与副词的比较级

形容词与副词的比较级

大多数形容词（性质形容词）和副词有比较级和最高级的变化，即原级、比较级和最高级，用来表示事物的等级差别。原级即形容词的原形，比较级和最高级有规则变化和不规则变化两种。

1) 规则变化

单音节词和少数双音节词，加词尾-er，-est来构成比较级和最高级。



构成法 原级 比较级 最高级

一般单音节词未尾加-er,-est tall(高的)

great(巨大的) taller

greater tallest

greatest

以不发音的e结尾的单音词和少数以- le结尾的双音节词只加-r,-st nice(好的)

large(大的)

able（有能力的） nicer

larger

abler nicest

largest

ablest

以一个辅音字母结尾的闭音节单音节词，双写结尾的辅音字母，再加-er，-est big(大的)

hot (热的) bigger

hotter biggest

hottest

"以辅音字母+y"结尾的双音节词，改y为i，再加-er，-est easy(容易的)

busy(忙的) easier

busier easiest

busiest

少数以-er，-ow结尾的双音节词未尾加-er，-est clever(聪明的)

narrow(窄的) cleverer

narrower cleverest

narrowest

其他双音节词和多音节词，在前面加more，most来构成比较级和最高级。 important(重要的)

easily(容易地) more important

more easily most important

most easily



2) 不规则变化



原级 比较级 最高级

good(好的)

well(健康的) better best

bad (坏的)

ill(有病的) worse worst

old (老的) older/elder oldest/eldest

much/many(多的) more most

little(少的) less least

far (远的) farther/further farthest/furthest

w.w.w.k.s.5.u.c.o.m

as+形容词或副词原级+as

1）在否定句或疑问句中可用so… as。

He cannot run so/as fast as you.

2）当as… as 中间有名词时采用以下格式。

as +形容词+ a +单数名词

as + many/much +名词

This is as good an example as the other is.

I can carry as much paper as you can..

3）用表示倍数的词或其他程度副词做修饰语时，放在as的前面。

This room is twice as big as that one.

Your room is the same size as mine.

4) 倍数+ as + adj. + as<=> 倍数+ then + of

This bridge is three times as long as that one.

This bridge is three times the length of that one.

Your room is twice as large as mine.

Your room is twice the size of mine.