2. 形容词的比较级和最高级 英语中，大多数形容词都具有原级，比较级和最 高级三种等级形式。比较级和最高级又分为规则 形式和不规则形式两种，其中只有少数形容词的 比较级和最高级属于不规则变化。

3. 一、单音节形容词的比较级和最高级 多为原级 +er / est 构成，如： 原级 比较级最高级 longlongerlongest warmwarmerwarmest

4. 二、少数双音节，三音节或更多音节的 形容词成比较级和最高级时，须用 more /most + 原级的形式，如： 原级比较级最高级 famousmore famousmost famous beautifulmore beautiful most beautiful importantmore important most important

5. 少数不规则形容的比较级和最高级： 原级比较级最高级 goodbetterbest many/muchmoremost oldolder/elderoldest/eldest far farther /further farthest /furthest littlelessleast

6. A The comparative of adjectives When we compare two things, we add – er to short adjectives and use more with long adjectives. Examples: cheap -- cheaper high -- higher useful -- more useful expensive -- more expensive

7. Books are cheaper than computers. Computers are more expensive than books. We often use than when we compare two things.

8. David is going abroad for the first time and needs to buy a suitcase. He is talking to a salesman in a shop. Use the adjectives in the box to complete their conversation. expensive light cheap heavy big small SALESMAN Can I help you, sir? DAVID Yes, I need a suitcase. Can you tell me about these two? The red one costs ¥2,500. Why is it(1)_______________ than the black one? more expensive

9. SALESMAN Because it’s made of leather, sir. The black one is made of plastic. So the black one is (2) ________ than the red one. Leather always costs more. DAVID I see. SALESMAN But on a plane, you must think about the weight. The red suitcase is (3) _______ than the black one. Try holding them, sir. cheaper heavier

10. DAVID Oh, you’re right. The black one is much (4) ________ than the red one. But is it very strong? SALESMAN Yes, it’s quite strong. It will last for years. And look at the size, sir. The black one is (5) ______ than the red one. DAVID Yes. The red one is (6) _______ than the black one. That’s true. bigger smaller lighter

11. SALESMAN I think you’ll prefer the black one, sir. Many people choose this type of suitcase for flying these days. DAVID Good. I’ll take the black one, then. SALESMAN Thank you very much, sir.

12. B The superlative of adjectives When we compare more than two things, we add –est to short adjectives and use most with long adjectives. We usually use the in front of a superlative. Examples: fast —— the fastest long —— the longest essential—— the most essential interesting —— the most interesting

13. Work in pairs: S1 asks the questions. S2 gives the answers. Follow the example. Remember to use the with the adjectives. Example: (big) Earth, the moon or the sun? S1: Which is the biggest, Earth, the moon or the sun? S2: The sun is the biggest.

14. 1. (small) a bee, a butterfly or an ant? 2. (large) the Atlantic, the Pacific of the Indian Ocean? 3. (valuable) iron, silver or gold? 4. (hot) the North Pole, the South Pole or the Gobi Desert? 5. (heavy) a bear, a whale or an elephant? 6. (fast) a spaceship, a plane or a train?

15. C The comparative and superlative of good and bad A few adjectives are irregular: good — better — best bad — worse — worst many — more — most much — more — most far — farther / further —farthest / furthest little — less — least

16. NameHistory marks 178 275 373 470 564 663 761 Read the history teacher’s statement and put the correct names in the table. Martin Alice Peter Daisy Belinda Paul Eric

17. Practice 1. Kelly prefers Chinese to history. She thinks Chinese is much _______. A. more useful B. useful C. the most useful D. most useful 2. The dress looked as ______ as that one. A. more beautiful B. beautiful C. the most beautiful D. beautifully

18. 3. Yellow River is the second _________ river in our country. A. longer B. longest C. the longest D. long 4. Of all my family members, my father is ________. A. the taller B. taller C. the tall D. the tallest 5. There is ______water in this bottle than in that one. A. much B. more C. the more D. the most