形容词的比较级构成及句型

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比较级,句型,形容词,构成

形容词的比较级构成及句型

形容词的比较级和最高级: 形容词的比较级和最高级形式是在形容词的原级形式的基础上变化的。分为规则变化和不规则变化。 1. 规则变化如下:

1) 单音节形容词的比较级和最高级形式是在词尾加 -er 和 -est 构成。 e.g. great (原级) greater(比较级) greatest(最高级)

2) 以 -e 结尾的单音节形容词的比较级和最高级是在词尾加 -r 和 -st 构成。 e.g. wide (原级) wider (比较级) widest (最高级)

3)少数以-y, -er, -ow, -ble结尾的双音节形容词的比较级和最高级是在词尾加 -er 和 -est 构成。

e.g. clever(原级) cleverer(比较级) cleverest(最高级)

4) 以 -y 结尾,但 -y 前是辅音字母的形容词的比较级和最高级是把 -y 去掉,加上 -ier 和-est 构成.

e.g. happy (原形) happier (比较级) happiest (最高级)

5) 以一个辅音字母结尾其前面的元音字母发短元音的形容词的比较级和最高级是双写该辅音字母然后再加 -er和-est。

e.g. big (原级) bigger (比较级) biggest (最高级)

6) 双音节和多音节形容词的比较级和最高级需用more 和 most 加在形容词前面来构成。 e.g. beautiful (原级) more beautiful (比较级) most beautiful (最高级)

difficult (原级) more difficult (比较级) most difficult (最高级)

2. 常用的不规则变化的形容词的比较级和最高级:

原级比较级最高级 good better best many more most much more most bad worse worst little less least ill worse worst

far farther(further) farthest(furthest) 3. 形容词前如加 less 和 lest 则表示"较不"和"最不"

important 重要 less important 较不重要 least important 最不重要 4. 形容词比较级的用法:

1) 主语+谓语(系动词)+ 形容词比较级+than+ 对比成分。也就是, 含有形容词比较级的主句+than+从句。注意从句常常省去意义上和主句相同的部分, 而只剩下对比的成分。

e.g. Our teacher is taller than we are. 我们老师的个子比我们的高。

2) 形容词最高级的用法: 主语+谓语(系动词)+the+形容词最高级+名词+表示范围的短语或从句。

e.g. She is the best student in her class. 她是班上最好的学生。

3) "The+形容词比较级..., the+形容词比较级..."表示 " 越... 就越..."。 e.g. The more, the better. 越多越好。

4) " 形容词比较级 + and + 形容词比较级 ", 表示 " 越来越... "。 e.g. It's getting hotter and hotter. 天气越来越热了.

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5) 主语+谓语(系动词)+as+形容词原形+as+从句。表示两者对比相同。 e.g. This box is as big as mine. 这个盒子和我的一样大。

6) the + 形容词表示某种人。

e.g. He always helps the poor. 他经常帮助穷人。

7) 注意：比较级前可用much, even, still, a bit, a little等加强语气。

8) “甲+be+比较级+any other+单数名词（+介词短语）”表示“甲比任何一个人/物都……”，相当于最高级。

e.g. He is taller than any other student in his class.= He is the tallest in his class.

一、选择正确的答案

1. Bob never does his homework_____ Mary. He makes lots of mistakes. A. so careful as B. as carefully as C. carefully as D. as careful as

2.Now air in our town is ____ than it used to be. Something must be done to it. A. very good B. much better C. rather than D. even worse 3. I feel __ better than yesterday. A. more B. very C. the D. far 4. China has a large population than __ in the world.

A. all the countries B. every country C. any country D. any other country 5.This book is __ on the subject .

A. the much best B. much the best C. very much best D. very the best 6.The sick boy is getting __ day by day. A.worse B. bad C. badly C. worst 7.This necklace looks __ and__ sells__.

A. well, well B. good, nice C. nice, good D. nice, well 8. Doctor Wang ___ heart operation

A. is interested on B. like doing C. does well in D. is good at 9.the population of Shangdong is__ than that Sichuan. A. smaller B. larger C. less D. large

10.I didn’t go shopping yesterday.He didn’t __. A. so B. either C. too C. neither 11.___ delicious the food is!

A.How B . how a C. What D. What a

12. What animal do like ___? I like all kinds of animals. A. better B. best C. very D. well

13.Hainan is a very large island. It’t the second__ island in China. A.large B. larger C. largest D. most large

14.If you want to book a round –trip ticket,you’ll have to pay __ $30.

A.more B. other C. the other D. another 15.A horse is __ than a dog.

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