比较级学案人教八年级上.docVIP

形容词、副词比较级学案I词形的变化：(1)单音节和部分双音节词：直接加，双写加，去y加，以e加，特殊变 tall _ easy _ long _ nice _ good _ wide _ clever _ fat _ few _ little _ fast _ early _late_ heavy _ thin _ quiet _ happy _ bad _ healthy _ many/much _(2)部分双音节和多音节词（所有以-ly结尾的副词） careful _ beautiful _ popular _ slowly _ quickly _ widely _ (3) good/wellbetterbest bad/badly/illworseworst much/manymoremost littlelessleast farfartherfarthest, farfurtherfurthest oldolderoldest, oldeldereldestII. 原级、比较级的用法：1、 原级（同级）比较：asas; not as(so)as(1) I am as tall as you. （我们两个人一样高） Im not as/so tall as you. (我不如你高) = I am shorter than you.(2) I run as quickly as you. I dont run as/so quickly as you. = I run more slowly than you.2. 比较级表示两者或两部分相比：Which is bigger, the sun or the moon? The sun is bigger than the moon.Sam is taller than the other boys in his class. Who likes sports better, boys or girls?2. 可以修饰原级、比较级表示程度的词： （1）修饰原级的词：so, very, quite, rather, pretty, too He is so good a boy. He is a very good boy. He is quite a good boy. Hes too tired to walk on. He is so good (a boy) that we all like him. It is much too hot today. There was too much rain in Beijing this summer. We have too many things to do before having a party.（2）much, a lot, far, even, any (a little, a bit既可以修饰原级，也可以修饰比较级)。He is even richer than I. Bob runs much more quickly than Tommy. The road is a lot wider.Im so tired, I cant walk any farther. The room is far brighter than that one.（3）He is two years older than me. The bridge is four metres wider than that one. He is twice as old as I. He is twice older than me. The ruler is three times as long as that one. The ruler is three times longer than that one.3、 见到of the two, 句子中的比较级前要加the.John is the clever of the two boys. Of the two boys, John runs more quickly. 三、 重点与难点：1、(1)tooto, sothat, enough的句型转换He is too young to go to school. He runs too slowly to catch up with others.He is so young that he cant go to school. He runs so slowly that he cant catch up with others.He isnt old enough to go to school. He doesnt run quickly enough to catch up with others.2、 more+多音节词(优势比)， less +多音节词(劣势比): 注意：单音节词比较级后只能加er，不能加more或者less。（1）Bob is more careful than his brother. (Bob比他的哥哥细心。-Bob 更细心) Bob is less careful than his brother. (Bob不如他的哥哥细心。-his brother更细心) （2）The thin book is more boring than the thick book. (这本薄的书比厚的书无聊。-薄书更无聊) The thin book is less boring than the thick book. (这本薄的书不如厚的书无聊。-厚书更无聊)3. 前后相比时，成分要相同。（人比人，物比物）My hair is longer than my sisters. (my sisters指my sisters hair) = I have longer hair than my sister. Bobs books are more than yours. (yours指的是your books) = Bob has more books than you.The color of your dress is brighter than that of mine. (that指代the color, mine指代my dress)The population of Beijing is larger than that of Dalian. (that指代the population)The weather in Hainan is warmer than that in Beijing in winter. (that指代the weather)4、the more， the more.: 表示“越越”: The more books you read, the wider your knowledge is. The older she gets, the more beautiful she is. The more careful you are, the fewer mistakes you will make in exams. The harder you study, the better grades you will get.6、 越来越：（1）单音节词：-er and er (2) more and more+多音节词Our country is getting stronger and stronger. He is taller and taller. He is fatter and fatter.Our city becomes more and more beautiful. The singer gets more and more popular.He runs more and more quickly. We can see the building more and more clearly. 7. 比较级的形式表示最高级的含义： Shanghai is bigger than any other city in China. = Shanghai is bigger than the other cities in China. ( 这两句话含义是：Shanghai is the biggest city in China.) Shanghai is bigger than any city in Japan. III. 最高级的用法1. 三者或三者以上相比：(1) A, B or C (2) of (3) inWhich is the biggest, the sun, the moon or the earth?Bob is the tallest of the boys in my class. Harbin is the coldest city in China in winter.Bob runs fastest of the five boys. Which do you think is the most beautiful city in the world?2. one of+最高级+名词复数：Bob is one of the tallest boys in our class. Its one of the widest bridges in the village.3. 序数词+最高级+名词单数： The yellow river is the second longest river in China. 4. 形容词最高级前必须加the, 副词最高级前可加可不加：Bob is the tallest boy in my class. Bob runs fastest in my class.5. Ive ever seen/heard. 修饰名词： It is the funniest comedy Ive ever seen.Its the best hotel Ive ever stayed. Its the most beautiful music Ive ever heard.形容词、副词等级练习跟学案I. 用所给词的适当形式填空1. Of the two girls, I find Lucy _ (clever).2. I have _ (little) paper than Bob. 3. My sister is two years _ (old ) than I.4. The fish is _(delicious) than the soup.5. The big bag is much _(cheap) than the small bag. Do you know the reason?6. The restaurant is _(越来越受欢迎) because its good service.7. The boy is not so _ (interesting) as his brother.8. Dick sings _ (well), she sings _(well) than John.9. She will be much _ (happy) in her new house.10. Bob take exercise every day. He gets _(越来越健康). 11. He feels _ (tired) today than yesterday.II 单项选择1. Gold(黄金) is _ than iron(铁) though iron is much cheaper.A. more useful B. more usefully C. less useful D. less usefully2. Helen often says she is not so popular than Mary. That means Mary is _ Helen. A. more popular than B. less popular than C. as popular as D. so popular as3. Bobs handwriting is _ Ginas. A. so good as B. as well as C. more good than D. not as good as4. Bob is _ than any other boy in his class. A. more much excellent B. much excellent C. more excellent D. as excellent as5. Bob is _ than his brother Mike. A. much more strong B. more stronger C. much stronger D. much more stronger6. （1）Helens hair is longer than _. （2）Helen has longer hair than _.A. I B. me C. my D. mine7. The population of China is larger than _.A. the one of Japan B. that of the one of Japan C. that of Japan D. Japans8. The weather of Hainan is much hotter than _.A. the one of Beijing B. that of the one of Beijing C. that of Beijing D. Beijings9. Which do you like _ , coffee or milk? A. the worst B. worse C. the worse D. worst10. _ trees we plant, _ our city will be. A. Many, nice B. More, nicer C. The more, the nicerD. The most, the nicer11. Look at the twins, Bob is _ of the twins. A. tall B. tallerC. the tallestD. the taller12. I think science is _ than language. A. much importantB. more much importantC. much more important D. less more important13. It is very _ yesterday, but today its _. A. hotter, hotterB. hot, even hotterC. hot, much more hotterD. hotter, even hot14. Mr. Green got _ instead of getting any better. A. a lot of worseB. more worseC. more badD. a little worse15. Bob has _ homework this weekend, so he has no time to go camping with his friends. A. too many B. too muchC. much tooD. many too16. Most people in Guangdong are getting _. A. more and more rich B. more rich and more rich C. more and more richer D. richer and richer17. Bob is _ that we all like him. A. quite a good boy B. a very good boyC. so a good boyD. so good a boy18. The room is _ that one. A. as three times big as B. bigger twice than C. as big twice as D. twice bigger than19. Our classroom is _ cleaner than theirs. A. more B. muchC. a lot ofD. many20. Kates boy friend looks _ Jim. A. very older than B. much older than C. much older as D. very older as21. Robert is much _ than _ in his class. A. taller; any other students B. more taller; anyone elseC. taller; any other student D. taller; other students22. _ children there are in a family, _ their life will be.A. The less, the better B. The fewer, the better C. Fewer, richer D. More, poorer23. Li Huas English is very good, and her French _ her English.A. is as good as B. isnt as good as C. is as well as D. is as better as24. Tokyo is larger than _ in India. A. any other cityB. any city C. another city D. other city25. Which skirt is _, the yellow one or the green one? A. expensive B. very expensive