形容词、副词的比较级和最高级的用法： 当两种物体之间相互比较时，我们要用形容词或副词的比较级； 当相互比较的物体是三个或三个以上时，我们就要用形容词或副词的最高级。 形容词、副词的比较级和最高级的变化规律： 1. 单音节形容词或副词后面直接加-er或-est tall—taller—tallest fast—faster—fastest 2. 以-e结尾的单音节形容词或副词直接加-r或-st large—larger—largest nice—nicer—nicest 3. 以-y结尾的形容词或副词，改-y为-i再加-er或-est busy—busier—busiest early—earlier—earliest 4. 形容词或副词是重读闭音节时，双写最后的辅音字母，再加-er或-est hot—hotter—hottest big—bigger—biggest 5. 多音节形容词或副词前面直接加more或most delicious—more delicious—most delicious beautiful—more beautiful—most beautiful 6. 不规则变化 good (well)—better—best bad (badly)—worse—worst 形容词、副词的比较级和最高级的句子公式： 比较级 形容词物体A + am / are / is + 形比 + than + 物体B. I am taller than you. Pasta is more delicious than pizza. 副词物体A + 行为动词 + 副比 + than + 物体B. Cheetahs run faster than goats. He studies better than me. 最高级 1）物体A + am / are / is + the + 形最高级 + 比较范围（of + 人/物，in + 地方）. I am the tallest in the class. Pasta is the most delicious food of the three. 2）物体A + 行为动词 + 副词最高级 + 比较范围（of + 人/物，in + 地方）. Cheetahs run fastest in the world. He studies best of us. 一. 词形变换。 比较级 最高级 large _________________ ___________________ fast _________________ ___________________ easy _________________ ___________________ 比较级 最高级 wet _________________ ___________________ good _________________ ___________________ important _________________ ___________________ well __________________ ___________________ bad _________________ ___________________ many _________________ ___________________ little _________________ ___________________ far _________________ ___________________ strong _________________ ___________________ patient _________________ ___________________ safe _________________ ___________________ expensive _________________ ___________________ 二. 选择填空。 1.Birds can fly _____________, eagles can fly _______________than birds. They fly _____________ in the world. ( high, higher, highest ) 2. I am _____________ than my brother, but my little sister is the ______________ of us. (fat, fatter, fattest ) 3. Which can swim ______________, fish or sharks? ( well, better, best ) 4. The green book is a _______________ book, but the red one is much _____________ than the green one. It’s the ______________ book in the bookshop. (nice, nicer, nicest ) 5. Look at that boy, he is running ______________ (fast, faster). 6. I think that book is ______________ (good, better) for you. 7. The new library has ______________ (many, more) books than the old one. 8. Sally is ______________ (tall, taller) than her cousin. 9. Our school is much ______________ (large, larger) than yours. 10. Look, Janet is jumping ______________ (high, higher) than Mike. 11．Mr Hare runs much ______________ (fast, faster) than Mr Turtle. Mr Hare needn’t run______________ (fast, faster) now. 12. In the gym, Tommy is playing table tennis ______________ (well, better) than Jimmy. 13. This book is very ______________ (interesting, more interesting) , but that one is ______________ (interesting, more interesting) than it. 14. The film is the ______________ (horrible, more horrible, most horrible) film of all. 15. It’s summer now. The weather is getting _______________. (hot and hot, hotter and hotter, hottest and hottest) 16. The U.S.A. is one of _________________ (richer, most rich, the richest) countries in the world. 三. 用所给单词的适当形式填空。 1. My school is ______________, but Tom’s school is ______________ than mine. And Sally’s school is the ______________. (small) 2. Rabbits can run ______________, but tigers can run ______________ than rabbits, and cheetahs can run ______________ of the three. (fast) 3.Pig is ______________, but deer is ______________ than pig, and elephant is the ______________ (heavy) 4. I’m ______________, but she is ______________ than me. (beautiful) 5. Every day is ______________. But today is the ______________ day I have ever had. (busy) 6. I think pizza is the ______________ food of all. (delicious) 四. 汉译英。 1.她比我漂亮。（pretty） _______________________________________________________________ 2.我学习比他们好。（well） _______________________________________________________________ 3.她是我们中间最漂亮的。（pretty） _______________________________________________________________ 4.我学习是全班上最好的。（well） 本文来源：https://www.wddqw.com/doc/c17e015f312b3169a451a4ad.html