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1、 镇江科技新城实验学校 八年级英语（上）8上 Unit1 Grammar主备人：成燕 审核：八年级备课组姓名：_ 班级：_【知识点讲解】一、形容词比较级、最高级的意义及基本句型形容词有三种形式: 原级,比较级和最高级, 表示形容词说明的性质在程度上的不同。 形容词的比较级用于两个人或事物的比较, 最高级用于三个或三个以上人或事物的比较。 二、形容词比较级、最高级的构成形容词的比较级和最高级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。参见课本p117三、形容词比较级的用法 1.形容词的比较级用于两个人或事物的比较, 其结构形式如下: 主语+谓语(系动词) + 形容词比较级+th
2、an+ 对比成分。She is shorter than I am.My book is more interesting than his book.2.形容词最高级用于三个或三个以上的人或物进行比较, 其结构形式为: 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 This is the biggest apple I have ever met. She is the best student in her class. 四、使用形容词比较级和最高级时，常见的重要结构：1） 用much/far/a lot, a little, even, still +比较级，表
3、示“得多，稍微一点，甚至，还要”的意思。e.g. Now the air in our hometown is _ than it was before. A. much better B. more worse C. more better D. much worst2） one of + 最高级 + 名词复数， 表示“最之一”。e.g. He was one of _(fast) _(swim) of all.3） 比较级+and +比较级 (单音节、少数双音节形容词) 或more and more +多音节形容词, 表示“越来越”。 他的鞋子越来越脏。His shoes are dirt
4、ier and dirtier. 衣服越来越贵。 Clothes are more and more expensive.4）序数词 + 最高级，表示“第二、第三等大/长/高等”。e.g. Millie is the third _(tall) in her class. 5）the + 比较级 + 主语 + 谓语，the + 比较级 + 主语 + 谓语，表示“越就越”。e.g. 越晚越危险。 The later, the more dangerous.6）the + 比较级 + of the two, 特指两者中较的一个。e.g. Lily is the shorter of the two
5、 girls.7）同义句：比较级+than any other +单数名词=比较级+than the other +复数名词 =最高级+范围e.g. He is taller than any other student in our class. He is (all) the other students in our classHe is the tallest in our class.8）在含有of, in , among的句子中要用形容词的最高级。e.g. He is the tallest of the three boys.【课后练习】一、写出下列形容词的比较级和最高级形式 1
6、. funny_ _ 2. goodwell_ _3. happy_ _ 4. interesting_ _ 5. large_ _ 6. smart_ _7. badbadlyill_ _ 8. many_ _ 9. far_ _ 10. thin_ _ 11. little_ _ 12. slim_ _13. pretty_ _ 14. big _ _15. fine_ _ 16. nice_ _ 17. clever_ _ 18. wonderful _ _ 19. important _ _ 20. easy_ _二、用所给形容词的适当形式填空1. Our city is becomi
7、ng _and_(beautiful) 2. Which is_(fast)，a bike，a car or a plane?3. The moon is_，but the earth is_the sun is the_ of the three(big) 4. I need more exercise because I getting_ and_ (fat)5. I think skating is_ (interesting) of all these outdoor activities6. Skiing is_Its as_ as diving(dangerous)7. Tom i
8、s_(good) at English than Peter8. The sun is much_(far) than the moon from the earth9. Tom has _(many) rubbers than I.10. Who came here_(early), Mary or Jane?11. Mr Lin is_(much) richer than Mr Wang. 12.Its the worlds second _(long) river.13. - How _ (nice) the watch is! -Yes, and it is _ (expensive)
9、 than others. It is _ (expensive) one in the shop.三、翻译：1. 格林先生是这四个人当中最高最胖的。 Mr. Green is _ and _.2. 小香蕉往往比大香蕉好。 Small bananas are often _. 3. 我的画是绘画比赛中最美的。 My drawing is_. My drawing is_ in the drawing competition. My drawing is _in the drawing competition.四、选择填空( ) 1. 10,000 dollars is a large amou
10、nt of money, but its still _ than they need. A. a little more B. very littleC. more less D. far less( ) 2. Han Han is one of _ teenager writers today, though some old writers dont like him very much. A. more famousB. most famousC. the most famous D. famous( ) 3. Youd better put your heart into study
11、. You see, the _ you are, the _progress (进步) youll make. A. careful, much B. more careful, more C. most careful, most D. carefully, many( ) 4. He is taller than _ in his class. A. any boy B. any C. any other boy D. some other boys( ) 5. - How many apples did you pick when you were on the farm? - I picked _ apples than any other student in my class. A. many more B. much moreC. the mostD. the most of all( ) 6. _ of the two girls is Lucy. A. The pretty B
