内容正文:
巩固点04 形副比较级和最高级
形副比较级和最高级规则变化
构成法
原级
比较级
最高级
一般单音节词末尾加-er,-est
tall(高的)
great(巨大的)
taller
greater
tallest
greatest
以不发音的e结尾的单音节词和少数以-le结尾的双音节
词只加-r,-st
nice(好的)
large(大的)
nicer
larger
nicest
largest
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结尾的双音节词末尾加-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
不规则变化
原级
比较级
最高级
good(好的)well(健康的)
bad(坏的)ill(有病的)
old(老的)
much/many(多的)
little(少的)
far(远的)
形容词,副词等级的用法
(一)原级的用法
1.只能修饰原级的词,very,quite,so,too
例:He is too tired to walk on.他太累了以至于不能再继续走了。
My brother runs so fast that i can‘t follow him.我弟弟跑得那么快以至于我跟不上他。
2.原级常用的句型结构
(1) as…as 和…一样
“甲+be+(倍数)+as+形容词原级+as+乙”表示“甲和乙程度相同”或“甲是乙的几倍”
例:Tom is as old as Kate.汤姆和凯特年龄一样大。
Tom is twice as old as Kate.汤姆的年龄是凯特的二倍。
“甲+实意动词+(倍数)+as+副词原级+as+乙”表示“甲和乙程度相同”或“甲是乙的几倍”
例:Tom runs as fast as Mike.汤姆和迈克跑得一样快。
Tom runs twice as fast as Mike.汤姆跑得速度是迈克的二倍。
(2) not…as … as 和…不一样
“甲+be+not+as/so+形容词原级+as+乙”甲不如乙…
例:This room is not as/so big as that one. 这个房间不如那个大。
“甲+助动词+not+动词原形+as/so+副词原级+as+乙”甲不如乙…
例:He doesn’t walk as slowly as you.他走路不像你那样慢。
(二)比较级的用法
1.可以修饰比较级的词,
much,a lot,far,…的多a little,a bit,…一点儿even甚至,still仍然
例:Lesson one is much easier than lesson two.第一课比第二课容易得多。
Tom looks even younger than before.汤姆甚至比以前更年轻。
This train runs much faster than that one.这辆火车比那辆跑地快。
She drives still more carefully than her husband.她开车仍然比她丈夫还认真。
2.比较级常用的句型结构
(1)“甲+be+(倍数)+形容词比较级+than+乙”表示“甲比乙…”或“甲比乙…几倍”
例:Tom is taller than kate.汤姆比凯特高。This room is three times bigger than that one. “
甲+实意动词+(倍数)+副词比较级+than+乙”表示“甲比乙…”或“甲比乙…几倍”
例:I got up earlier than my mother this morning.我今天早晨起床比我妈妈还早。
He runs three times faster than his brother