形容词比较级专题.doc

课 件 知识点1 25分钟 概念讲解1、大多数形容词（性质形容词）有比较级和最高级的变化，即原级、比较级和 最高级，用来表示事物的等级差别。原级即形容词的原形，比较级和最高级 有规则变化和不规则变化两种。 知识点2 3040分钟 形容词比较级和最高级构成规则2、 一般在词尾直接加er或est，例如， tall-taller-tallest long-longer-longest cheap-cheaper-cheapest clean-cleaner-cleanest3、 以不发音的字母e结尾的单词在词尾直接加r或st，例如， nice-nicer-nicest; safe-safer-safest; wide-wider-widest late-later-latest4、以辅音字母+y结尾的词，把y变为i，再加er或est，例如， heavy-heavier-heaviest busy-busier-busiest happy-happier-happiest; friendly-friendlier-friendliest5、 重读闭音节，末尾只有一个辅音字母，双写这个辅音字母，再加er或est， 例如； big-bigger-biggest; fat-fatter-fattest; thin-thinner-thinnest; hot-hotter-hottest6、 部分双音节词和多音节词分别在原级前加more构成比较级和most构成最高 级，例如: beautiful-more beautiful-most beautiful Convenient-more convenient-most conveniest Important-more important-most important Expensive-more expensive-most expensivest7、形容词比较级和最高级的不规则变化 little-less-least good/well-better-best bad/ill-worse-worst many/much-more-most far-farther-farthest巩固练习1 510分钟 写出下列形容词与副词的比较级与最高级形式： 1、long _ _ wide _ _ 2、fat _ _ heavy_ _ 3、slow _ _ few_ _ 4、brightly_ _ badly _ _ 5、far_ _ quickly _ _6、 happy_ -_ unhappy_ 7、interesting_ _8、expensive_ _9、important_ _10、convenient_ _知识点3 3040分钟 形容词比较级句型 1、甲+be+倍数+ +形容词比较级+ than +乙”表示 “甲比乙几倍” 例如: Our room is three times bigger than theirs. Our room is four times as big as theirs.2、当句中有than 时则用比较级。例如 He is fatter than I The story is more interesting than that one The public transport will be more convenient than it is now3、 当句子中的比较对象为两者时用比较级：“特殊疑问词+be+形容词比较级， 甲or乙？”例如： Which is bigger，the earth or the moon？ 哪一个大，地球还是月球？ Who is taller ,Lucy or Lily? Which is bigger，the earth or the moon？ 哪一个大，地球还是月球？4、 “比较级+and+比较级”表示“越来越”。例如: He is getting taller and taller.他变得越来越高了。 The flowers are more and more beautiful.花儿越来越漂亮。 注意：加more构成比较级的形容词则用more and more +形容词表示越来越 例如：English is more and more important5、 “the+比较级，the+比较级”表示“越，越”。例如： The more careful you are，the fewer mistakes youll make. 你越认真，犯的错误越少。6、“甲+be+the+形容词比较级+ofthetwo+”表示“甲是两者中较的”。 例如： Look at the two boys.My brother is the taller of the two. 看这两个男孩，我弟弟是比较高的那一个。7、 甲+be+形容词比较级+than+any other+单数名词(+介词短语)”表示“甲比同 一范围的任何一个人/物都”，含义是“甲最”。例如： The Yangtze River is longer than any other river in China. =The Yangtze River is the longest river in China. 长江是中国最长的河流。 注意：The Yangtze Riveris longer than any river in Japan. 长江比日本的任何一条河都长。 Mike gets to school earlier than any other student in his class. Mike gets to school earliest in his class. 迈克在他们班到校最早。 注意：Mike gets to school earlier than any student in Toms class. 迈克比汤姆班上任何一个学生到校都早。(迈克和汤姆不是同一个班)知识点4 2030分钟 形容词最高级常用句型1、“主语+be+the+形容词最高级+单数名词+in/of短语”表示“是中 最的”。例如： Tom is the tallest in his class./of all the students. 汤姆是他们班上/所有学生当中最高的。 This apple is the biggest of the five. 这个苹果是五个当中最大的。2、“主语+be+one of the+形容词最高级+复数名词+in/of短语”表示“ 是 中最之一”。例如： Beijing is one of the largest cities in China. 北京是中国最大城市之一。3、“特殊疑问词+be+the+最高级+甲，乙，or丙？”用于三者以上 Which is the biggest?the moon ,the sun or ths earth?4、“the +序数词+最高级+单数名词+范围”。表示是第几大（），例如： The Yellow River is the second longest river in China . 注意：形容词最高级之前要加the,但当最高级之前有形容词性物主代词或名 词所有格时则不用加the，例如： He is the best student in my class. He is my best friend.巩固练习2 815分钟 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、Johns parents have four daughters, and she is the _ (young) child. 5、The _ (cheap) bags are the not usually the best ones. 7、The short one is by far _ expensive of the five. 8、The boy is not so _ (interesting) as his brother. 9、Dick sings _ (well), she sings _(well) than John, but Mary sings_(well) in her class. 10、She will be much _ (happy) in her mew house. 11、This dress is _ that.(twice, asas, expensive) 知识点5 1015分钟 比较级和最高级句型互换 注意：形容词比较级和最高级之间的转化需用any other 词组1、Shanghai is the biggest city in china =Shanghai is bigger than any other city in china 2、 Tom is the tallest student in our class = Tom is taller than any other student in our class3、 This apple is bigger than any other one in this basket = This apple is the biggest one in this basket 课后作业一、选择填空( ) 1. Most of the people in Guangdong are getting _. A. more and more rich B. more rich and more rich C. richer and richer D. richer and richest( ) 2. Which is _, a bus, a car or a plane? A. the fastest B. most fast C. fast D. faster( ) 3. 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 as( ) 4. Whos _ in your class? A. strong B. Stronger C. strongest D. the strongest ( ) 5. Jone looks so _ today because she has got an “A” in her math test. A. happy B. happily C. angry D. angrily( ) 6. He draws _ his uncle. A. as well as B. as good as C. as better as D. as best as( ) 7. If you want to book a round-trip ticket, youll have to pay _ $ 30. A. more B. Other C. the other D. another( ) 8. In Changchun, the air in Jing Yue Forest Park is much _ than that in the center of the city. A. clear B. cleaner C. clean D. nice( ) 9. Tokyo is larger than _ in India. A. any other city B. any city C. another city D. other city( ) 10. Have you finished your report yet? No, Ill finish it in _ ten minutes. A. another B. more C. other D. else( ) 11. Their school is three times as _ as ours. That means our school is _ than theirs. A. big; three times smaller B. small; large C. big; small D. large; twice smaller( ) 12. Which skirt is _, the yellow one or the green one? A. Expensive B. very expensive C. more expensive D. most expensive( ) 13. The Changjiang River is one of _ in the world. A. the longest river B. the longer river C. the longest rivers D. the longer rivers( ) 14. _ 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, poorer( ) 15. Robert is much _ than _ in his class. A. more tall; any other student B. more tall; anyone else C. taller; any other student D. taller; other students( ) 16. Everything is _ at night markets. You dont need a lot of money to have a good time. A. cheap B. bad C. tired D. dear( ) 17. The new pen is _ than the old one. A. more good B. much good C. more better D. much better( ) 18. Kates boy friend looks _ Jim. A. very older than B. much older than C. much older as D. very older as( ) 19. Your room is _ than theirs. Their room is _ than ours. Our room is _ of the three. A. bigger; bigger; smaller B. bigger; bigger; the smallest C. bigger; bigger; the smaller D. bigger; bigger; smallest( ) 20. Shanghai is one of the _ in the world. A. big city B. biggest city C. biggest cities D. big cities( ) 21. The match made them _ at last. A. happily B. quickly C. slowly D. friendly( ) 22. When a piece of ice is taken into a warm room, it becomes _. A. big and big B. bigger and bigger C. small and small D. smaller and smaller( ) 23. A taxi doesnt run as _ as an underground train. A. fast B. faster C. fastest D. more fast( ) 24. Which is _, the moon or the earth? A. big B. bigger C. more expensiveD. most expensive( ) 25. My little brother sings _ than other boys. A. beautiful B. more beautiful C. beautifully D. more beautifully( ) 26. 30,000 dollars is a large amount of money, but its _ than we need. A. far more B. very much C. far less D. very little( ) 27. Many students have done _ English. A. good at B. good for C. well in D. well at( ) 28. Which language is _, English, French or Chinese? A. difficult B. the difficult C. more difficult D. the most difficult( ) 29. When winter comes, the days get _. A. short and short B. shorter and shorter C. long and long D. longer and longer( ) 30. The bread is _ than those cakes. A. very delicious B. much delicious C. more delicious D. as delicious( ) 31. He is _ enough to carry the heavy box. A. stronger B. much stronger C. strong D. the strongest( ) 32. I think English is _ French. A. less popular than B. the most popular C. so popular as D. as more popular as( ) 33. Of all the students, she looks _. A. the happiest B. the most happiest C. Happier D. happy( ) 34. My pencil-case is as _ as yours. A. new B. newer C. Newest D. the newest( ) 35. The coat I bought last week is too big for me. Id like to change it for a _ one. A. small B. large C. nicer D. smaller( ) 36. Things are _ on the moon _ on the earth. A. much lighter; than B. much heavier; than C. as heavy; as D. not so light; as( ) 37. They arrived there a bit _ than we did. A. early B. earlier C. earliest D. as early as( ) 38. A car runs _ than a bike. A. fast B. faster C. fastest D. quickly( ) 39. Which do you like _ , tea or milk? A. Well B. better C. very much D. much( ) 40. Who jumped _ of all in the long jump? A. longer B. longest C. farther D. farthest( ) 41. The more you learn, the more _ you can get a job. A. easily B. easier C. easy D. easiest( ) 42. There are _ days in February. A. more B.fewer C. the most D. fewest( ) 43. Youve got the same dress as I. Yes. Mine is _, but not so _ as yours. A. better; expensive B. better; more expensive C. more better; expensive D. good; more expensive( ) 44. There is _ snow everywhere. A. too much B. much too C. too many D. many too( ) 45. Remember this, children. _ careful you are, _ mistakes you will make. We know, Miss Gao. A. The more, the more B. The fewer, the more C. The more, the fewer D. The less, the less( ) 46. It will be bad for your health to eat _ food and take _ exercise. A. fewer; more B. more; less C. little; much D. less; more( ) 47. This camera is really cheap! The _ the better. Im short of money. A. cheap B. cheaper C. Expensive D. more expensive( ) 48. - Mum, could you buy me a dress like this? - Certainly, we can buy _ one than this, but _ this. A. a better; better than B. a worse; as good as C. a cheaper; as good a D. a more important; not as good as( ) 49. Xian is one of _ capital _ in China. A. older, city B. the older, city C. oldest, cities D. the oldest, cities( ) 50.Jack is a little _ than Peter. A. strong B. stronger C. strongest D. the strongest二、.根据句意，用所给词的适当形式填空。1.