1. When we compare two things or two groups of things, we use the comparative form of adjectives + than. We usually add -er to short adjectives and we use more with long adjectives. In the 1940s, the first computers were bigger than cars. These new chairs are more comfortable than the old ones. This says that a computer is not cleverer than I am.

2. David needs to buy a suitcase. He is talking to a salesman in a shop. Complete the conversation with the comparative form of the adjectives in the box. A1 Salesman Can I help you, sir? David Yes, I need a suitcase. I have some questions about these two. The red one costs ¥2,500. Why is it (1) _______________ than the black one? Salesman Because it’s made of leather, sir. The black one is made of plastic. That’s why the black one is (2) _______________ than the red one.

3. David I see. Salesman But if you are going on an aeroplane, you must think about the weight. The red suitcase is (3) ______________ than the black one. Try them, sir. David Oh, you’re right. The black one is much (4) ______________ than the red one. Salesman And look at the size too, sir. The black one is (5) ______________ than the red one. David Yes, that’s true. The red one is (6) ______________ than the black one. Right, I’ll have the black one then. Salesman Thank you very much, sir.

4. When we compare more than two things or two groups of things, we use the + the superlative form of adjectives. We usually add -est to short adjectives and we use most with long adjectives. Simon is the tallest boy in our class. This is the most intelligent robot I have ever seen.

5. Mary is shopping for a camera. Write the letters of the cameras that the salesman is talking about. The first one has been done for you. A4

6. Later Mary told Tony about her shopping trip. Complete Mary’s sentences using the superlative form of the adjectives in the box. The first one has been done for you. A5 Tony Did they show you any interesting cameras? Mary Yes. (1) The ______________ costs _________. (2) The ______________ weighs _________. (3) The ______________ has sold over _________.

7. Some adjectives are irregular. good — better — best well bad — worse — worst ill badly (ad.) far — farther — farthest — further — furthest many/much — more— most little — less— least

8. When we compare things, we can use that and those when we don’t want to report the same noun. The weather in Hong in Bangkok. Kong is cooler thanthe weather The vegetables in the in the shops. street markets arethe vegetables better than that those

9. 一些特别的比较级用法： 1.get smaller and smaller become happier and happier become more and more interesting 2.The harder you work, the greater progress you make. The sooner the better （越早越好） 3. sooner or later ( 迟早） 4. Before comparatives you can add the modifiers a bit, a little, a lot, far, much, even,still or rather. Eg. Alice sings much/far/a lot more beautifully than Paul. Kitty runs a bit/a little faster than Mary.

10. 最高级的一些用法： 1.in + 范围 （ He gets up earliest in his family.) 2.of+ 同类事物 ( He is the tallest of the three boys.) 3.among+….. (Among us, he is the cleverest.) 4.one of + 最高级 + 名词复数 （ one of the largest animals) 5.This is the most interesting film I have ever seen. 6. 副词的最高级前可加可不加 the

11. early fast hard high late long near  earlier  earliest  faster  fastest  harder  hardest  higher  highest  later  latest  longer  longest  nearer  nearest These words can be both adjectives and adverbs.