八年级上册比较级
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八年级上形容词与副词的比较级与最高级
姓名:得分:
(一)规则变化:
1.绝大多数的单音节和少数双音节词,加词尾-er ,-est tall—taller—tallest
2.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—nicer—nicest , able—abler—ablest
3.以一个辅音字母结尾的重读闭音节词或少数双音节词,双写结尾的辅音字母,再加-er,-est
big—bigger—biggest
4.以辅音字母加y结尾的双音节词,改y为i再加-er,-est easy—easier—easiest
5.少数以-er,-ow结尾的双音节词末尾加-er,-est clever—cleverer—cleverest,
narrow—narrower—narrowest
6.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
easily—more easily—most easily
(二)不规则变化
常见的有:
good / well—better—best ; bad (ly)/ ill—worse—worst ; old—older/elder—oldest/eldest many / much—more—most ; little—less—least far—farther/further—farthest/furthest ; 用法:
1.原级比较:as + adj./adv. +as(否定为not so/as + adj./adv.
+as)
当as… as中间有名字时,采用as + adj. + a + n.或as + many / much + n.
This is as good an example as the other is .
I can carry as much paper as you can.
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.
倍数+as+adj.+as = 倍数+the +n.+of
Your room is twice as larger as mine. = Your room is twice the size of mine.
2.比较级+ than
比较级前可加程度状语much, still, even, far, a lot, a little, three years. five times,20%等
He is three years older than I (am).
表示“(两个中)较……的那个”时,比较级前常加the(后面有名字时前面才能加冠词)
1)He is the taller of the two brothers. /
2)He is taller than his two brothers.
3)Which is larger, Canada or Australia? /
4)Which is the larger country, Canada or Australia?
可用比较级形式表示最高级概念,关键是要用或或否定词等把一事物(或人)与其他同类事物(或人)相分离He is taller than any other boy / anybody else.
Nobody is taller than him.
比较对象相同时,可用that, those等代词代替第二个比较对象
The weather in Shanghai is better than that in Wuhan.
比较级+ than与not so/as + adj./adv. +as的相互转换Maria is not so / as brave as Helen. = Helen is braver than Maria.
Nothing is so easy as this. = Nothing is easier than this. =
This is the easiest thing.
3.“比较级+ and + 比较级”表示“越来越……”(加more构成比较形式的,只重复more,不重复原形容词或副词
colder and colder , more and more beautiful
4.“the +比较级(……),the +比较级(……)”表示“越……,越……”
The earlier you start, the sooner you will be back.
5.降级比较用“the + 原级形容词或副词(不论是单音节还是多音节的)+ than 从句”
Today is less cold than yesterday.
6.一些特殊比较词组:
no more than 不过,仅仅;同……一样不能not more than至多,不超过
no less than 多达,有……之多(加数字)(强调数量之多,带有感情色彩);一样,不亚于,恰好
not less than不少于(加数字)(无强调多少之意)7.the + 最高级+ 比较范围(in表示环境范围;of或among 表示对象范围)
He is the tallest of / among the boys.
He is the tallest in his class.
最高级前不加the情况:
①作表语的形容词最高级前,如果不是和别人(或别物)相比,常不加the We are busiest on Monday.
②形容词最高级前有物主代词时,不再加the
Wang Hai is my best friend.
③最高级形式有时并不表示最高级概念,它只表示非常或“在很大程度上”,这时前边一般不加the
It’s a most important question. = It’s a very important question.(一)写出下列形容词与副词的比较级与最高级形式:long_____ ______ wide ______ _______ fat ____ _____ heavy____ ______ slow ______ _______ few____ _____ brightly______ -_____ bably _____ _______ far____ _____ quickly _____ ______ happy_____ -______ unhappy________
(二)用所给词的正确形式填空:
1. Of the two girls, I find Lucy the _______ (clever).
2. Gold(黄金) is ______ (little) useful than iron(铁).
3. My sister is two years _______ (old ) than I.
4. John’s parents have four daughters, and she is the _____ (young) child.
5. The _____ (cheap) bags are the not usually the best ones.
6. The short one is by far _______ expensive of the five.
7. The boy is not so ______ (interesting) as his brother.
(三)选择填空:
1.He feels _____ today than yesterday.
A. tired
B. more tired
C. more tireder
D. much tired
2. Which do you like _____, coffee, tea or milk?
A. the worst
B. worse
C. the worse
D. worst
3. Of the two toys, the child chose_____.
A. the expensive one
B. one most expensive
C. a least expensive
D. the most expensive of them
4. The line is ____ than that one.
A. more longer
B. not longer
C. much more longer
D. many more longer
5. The earth is _____ the moon.
A. as 49 times big as
B. 49 times as bigger as
C. 49 times as big as
D.as big as 49 times