形容词比较等级的用法基本形式：原级as + 原级 + as 表示“…… 和…… 相同”比较级比较级 + than 表示“比……较为……”最高级the + 最高级 + of/in 表示“在……中最为……”形容词原级的句型1. 肯定句：A + 动词+ as + 形容词原级+ as + Be.g.: He is as busy as before2. 否定句：A…+ not + so + 形容词原级+ as + Be.g.: He is not so busy as before3. 疑问句：be动词+ A + as +形容词原级+ as + B？e.g.: Is he as busy as before?4. 表倍数：…times + as + 形容词原级+ ase.g.: The ruler is three times as long as that one.5. 表半数：half as + 形容词原级+ ase.g.: My hand writing is not half as good as yours.6. 表“尽可能”：as + 形容词原级+ as possiblee.g.: He is coming here as fast as possible.形容词比较级的句型1. A + 动词+ 形容词比较级+ than + B表“A比B更……一些”e.g.: His brother is younger than I.2. …times + 形容词比较级+ than…表“比……大/长/多……几倍”e.g.: Your room is three times larger than mine.3. 表示数、量的词+ 形容词比较级表“大几岁，高几厘米”等e.g.: I am two years older than you.4. 比较级+ than any other + 单数名词表“比其他任何…都…”（用比较级表达最高级）e.g.: He is better than any other student in the class5. 比较级+ and + 比较级表“越来越……”e.g.: China is more and more beautiful.6. The + 比较级……，the + 比较级……表“越……就越……”e.g.: The sooner, the better7. The + 比较级+ of the two 表“两个中比较……的”e.g.: This watch is the cheaper of the two.8. Which is + 比较级，A or B?表“比较A和B，哪一个较……”e.g.: Which one is more popular, the radio or the movie?9. 在形容词比较级前加much, even, far, a lot, still, a little 表示“……得多”，“……一些”e.g.: Japan is a little larger than Germany.形容词最高级的句型1. A + 动词+ 形容词最高级+ of/in……e.g.: Spring is the best season of the year.2. One of the + 形容词最高级表“是最……之一”e.g.: Our city is one of the safest cities in the world.3. / most of + the + 复数名词/ most of + 代词表“大多数，大部分的……e.g.: Most people like apples.4. Which / Who is + the + 形容词最高级……表“哪一个（人）最为……呢？e.g.: Which is the biggest of the five apples?英语语法之形容词比较级和最高级练习题一、写出下列形容词的比较级和最高级1. old ________ ________2. busy _________ _________3. thin ________ ________4. many _________ _________5.slow ________ ________6. delicious _____________ _____________7.little _________ _________ 8.early _____________ ____________9.bad_________ _________ 10.stupid _____________ ____________二、用适当形式填空：1. Bob is ________ (young) than Fred but__________(tall) than Fred.2. He is ________ (bad) at learning maths. He is much _______ (bad) at Chinese and he is the _________ (bad) at English.3. Annie says Sally is the ________ (kind) person in the world.4. A dictionary is much _________ (expensive) than a story-book.5. An orange is a little _______ (big) than an apple, but much ________ (small) than a watermelon.6. The Nile(尼羅河) is _______ ________river in the world. (long)7. Good health is _______ _______ ________thing in our life. (important)8. Taking a taxi is ______ _______ way to get to the airport. (easy)9. She is_______ than all the other students. (young)10. Where is the ________bus-stop? (near)11. The white flower is ________ (beautiful). The yellow flower is ______ _______ (beautiful) than the white flower. The red flower is the _____ ______ of the three.三、选择题1. This box is___ that one.A. heavy thanB. so heavy thanC. heavier asD. as heavy as2. When we speak to people, we should be ___.A. as polite as possibleB. as polite as possiblyC. as politely as possibleD. as politely as possibly3. This book is____ that one, but____ than that one.A. as difficult as; expensiveB. as more difficult as; more expensiveC. as difficult as; more expensiveD. more difficult as; as expensive4. I think the story is not so ___ as that one.A. interestingB. interestedC. more interestingD. most interesting5. I think science is ___ than Japanese.A. much importantB. importantC. much more importantD. more much important7. This pencil is___ than that one.A. longestB. longC. longerD. as long8. My mother is no ___ young.A. shorterB. longerC. littleD. few9. These children are ____ this year than they were last year.A. more tallB. more tallerC. very tallerD. much taller10. It was very hot yesterday, but it is___ today.A. even hotterB. more hotterC. much more hotD. much hot11. Our classroom is____ larger than theirs.A. moreB. quiteC. veryD. much12. The earth is about____ as the moon.A. as fifty time bigB. fifty times as bigC. as big fifty timesD. fifty as times big mine.13. Your room is ___ than mine.A. three time bigB. three times bigC. three times biggerD. bigger three times14. His father is ____ than his mother.A. older four yearsB. as four years olderC. four years olderD. bigger four years15. When spring comes, it gets____.A. warm and warmB. colder and colderC. warmer and warmerD. shorter and shorter16. By and by, ____ students in our class came to like English.A. more and moreB. much and muchC. many and manyD. less and least17. At last he began to cry ___.A. hard and hardB. more hard and more hardC. harder and harderD. less hard and less harder18. When spring comes the days get ____ and nights ____.A. short; longB. long; shortC. longer; shorterD. shorter; longer19. ___ I look at the picture, ____ I like it.A. The best; the moreB. The more; the lessC. The more; lessD. More; the more20. ___ he read the book, ____ he got in it.A. The more; the more interestingB. The less; the more interestingC. The more; the more interestedD. More; more interested21. I like___ one of the two books.A. the olderB. oldestC. the oldestD. older22. Of the two cups, he bought _____one.A. the smallerB. the smallestC. small D: smaller23. Which do you like ___, tea or coffee?A. wellB. betterC. bestD. most24. This work is ____ for me than for you.A. difficultB. most difficultC. much difficultD. more difficult25. Li Lei is___ student in our class.A. tallB. tallerC. tallestD. the tallest26. She is ________ than ________ .A. busier / usB. busier / weC. more busy / usD. more busy / we。