形容词和副词比较级、最高级1. 规则形式：一般说来，单音节词及少数双音节词在后加-er/ -est 来构成比较级和最高级；其他双音节词及多音节词在前加more/ most，如：great-greater-greatest, busy-busier-busiest, important-more important-(the)most important*1. 形容词比较等级的用法：1) 表示两者的比较：形容词的比较级+than. 如：He is cleverer than the other boys.2) 表示两者以上的比较：the +形容词最高级（+名词）+of /in …如：He is the cleverest boy in his class.3) 表示两者是同等程度：as +形容词原级+as. 如：He is as tall as I.2. 比较级句型：1) Who / Which + be +比较级, A or B 如：Which is more beautiful, Beijing or Shanghai2) be + the 比较级+ of the two. (两个之中比较…的那一个)，如：John is the more polite of the two boys.3) The + 形容词比较级…, the + 形容词比较级…（越…就越…），如：The harder you study ,the more/greater progress you make. 你越努力，取得的进步就越大4) 形容词/副词比较级+ and +形容词/副词比较级（越来越…）。

如：Our city is more and more beautiful.5) 形容词/副词比较级+ than + any other +名词单数形，如：Shanghai is larger than any other city in China.6) 形容词/副词比较级+ than + the other +名词复数形式，如：It’s also cheaper than the other stores.3. 关于比较级的几个需要注意的问题：1）为了加强语气，在比较级前面加表示相差程度的状语，常见的有much, far, even, still, a lot, a little, any, rather, a bit, a great deal等，如：We’d better wait a little longer. Peter and Tom will come very soon.2) less + 形容词的原级+ than表示“不如、不及”，如：This computer is less expensive than that one.4. 最高级的句型：1) Who / Which + be +the+最高级, A, B, or C 如：Who is the most foolish, Jack, Tom or you 2）be + the +最高级+in /of / among +比较范围，如：He is the laziest worker in the factory.3）~ + be + one of the + 最高级+ 复数名词（最……的……之一），如：The Yellow River is one of the longest rivers in China. 黄河是中国最长的河流之一。

4）~ + be +the + 序数词+最高级+单数名词+ 范围（~是…….的第几……），如：China is the third largest country in the world.练习：I. 选择1. Would you please say it _____ I still can’t follow you.A. more slowB. much slowC. more slowlyD. much slowly2. He is ______ enough to carry the heavy box.A. strongerB. much strongerC. strongD. the strongest3. She played the piano_____ than we had thought.A. successfulB. successfullyC. more successfulD. more successfully4. Beijing, the capital of China, is one of _________ cities in the world.A. the biggestB. biggerC. much biggerD. big5. ____ the worse I seem to be.A. When I take more medicineB. The more medicine I takeC. Taking more of the medicineD. More medicine taken6. New York is _____ in the United States.A. larger than any cityB. larger than any other cityC. bigger than any citiesD. biggest of all the cities7. The air in Beijing is getting much _____ now than a few years ago.A. cleanB. cleanerC. cleanestD. the cleanest8. Mobile phones are very popular now and they are _____ than before.A. cheapB. cheaperC. cheapestD. the cheapest9. The car is running seems to be flying.A. more and fasterB. more and fastC. fast and fastD. faster and faster10. The experiment was ________ easier than we had expected.A. moreB. much moreC. muchD. more much children there are in a family，_____their life will be.A. The less, the betterB. The fewer, the betterC. Fewer, richerD. More, poorer12. -- Which is__________ , the sun, the moon or the earth -- Of course, the moon is.A. smallB. smallerC. smallestD. the smallest13. ---Which is ____ season in Beijing ---I think its autumn.A. goodB. betterC. bestD. the best14. It takes a long time to go there by train; it’s _____ by road!A. quickB. the quickestC. much quickD. quicker15. Oct 15th was one of ________ days in Shenzhou-V was sent up successfully.A. excitingB. more excitingC. the most excitingD. much exciting16. This box is__________ that one.A. heavy thanB. so heavy thanC. heavier asD. as heavy as17. When we speak to people, we should be ______________.A. as polite as possibleB. as polite as possiblyC. as politely as possibleD. as politely as possibly18. 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 expensive19. I think the story is not so __________ as that one.A. interestingB. interestedC. more interestingD. most interesting20. His father began to work ___________ he was seven years old.A. as old asB. as early asC. sinceD. while21. I think science is ________ than Japanese.A. much importantB. importantC. much more importantD. more much important22. This pencil is__________ than that one.A. longestB. longC. longerD. as long23. My mother is no __________ young.A. shorterB. longerC. littleD. few24. These children are ___________ this year than they were last year.A. more tallB. more tallerC. very tallerD. much taller25. It was very hot yesterday, but it is__________ today.A. even hotterB. more hotterC. much more hotD. much hot26. How ___ the girls are playing!A. happyB. happierC. happylyD. happily27. ____ he drops in ___ his friends after supper.A. Some times; forB. Sometimes; onC. Often; forD. Seldom; on28. In Britain tea _______ with milk or sugar in it.A. usually drinksB. is usually drunkC. usually is drunkD. drank usually29. He________ to school to clean his classroom.A. always comes earlyB. comes always earlyC. always early comesD. come always earlier30. Better _______ than never.A. lateB. the laterC. laterD. the lateall these subjects，I like Chinese ________ .A. moreB. betterC. wellD. best population（人口）problem may be ________ one of the world today.A. the mostB. most difficultC. the greatestD. more interesting33. Tokyo is larger than ________ in India.A. any other cityB. any cityC. another cityD. other city34. There are a lot _____ people today than yesterday.A. ofB. mostC. muchD. more35. Things are ____ on the moon on the earth.A. much lighter; thanB. much heavier; thanC. as heavy; asD. not so light; asjumps ____ in your classA. farB. fartherC. farthestD. longer must drive ____ next time，or there may be another accident.A. more carefullyB. carefullyC. carefulD. more careful Lin ran ____ faster than the other boys in the sports meeting.A. soB. tooC. veryD. much39.—Which box is ____, the red one, the yellow one or the blue one—What do you mean by asking thisA. heavyB. heavierC. heaviestD. the heaviest40. Li Lei often talks ____ but does ____ .So everybody says he is a good boy.A. less; moreB. few; muchC. more; littleD. little; many II.用所给单词或汉语提示的适当形式填空：1. John is _____________ (tall) than Sam.2. Lin Lin is the ________ (young) in our class.3. The man took off his shoes and put them under his bed very ____________ (quiet).4. Ann felt very ____________ (happy) at her birthday party.5. Which is ____________ (far) from us, the sun or the moon6. She looks ______________ (thin) than me.7. It snowed _____________ (heavy) last night and now the streets are covered with snow.8. Mr. Benson seems to be the _____________ (busy) man in the world.9. Jack has the ___________ (little) bread of the three boys.10. The sick man is getting _____________ (ill).11. The meat smells _____________ (bad). Please take it away.12. The wind is blowing ______________ (猛烈).13. Who’s _____________(高), Lucy or Lily14. She didn’t do her homework ______________(仔细).15. Your bag is much _________ (轻) than mine.16. Li Lei is running ________ and ___________________________ （慢）now.17. Of all the students Li Yuan lives ____________ (远).18. We don’t think their classroom is ________________(干净) than ours.19. Lucy walks as ____________ (快) as Lily does.20. Shanghai is one of the ____________ (大) cities in the world.21. Japanese is ____________________ (难) than French.22. The Chinese people are ___________________________（友好）than you think.23. Of the two pencil-boxes, the boy chose __________________（便宜）one.24. She is as ______________ as I, but I’m ____________ （仔细）than you.25. The Yellow River is the second _______________（长）river in China.。