小学 形容词比较级和最高级.doc

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。 A. 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-esttalltallertallest fastfasterfastest2. 以-e结尾的单音节形容词或副词直接加-r或-stlargelargerlargest nicenicernicest3. 以辅音字母+y结尾的形容词或副词，改-y为-i再加-er或-estbusybusierbusiest earlyearlierearliest4.元音字母+辅音字母结尾，双写最后的辅音字母，再加-er或-esthothotterhottest bigbiggerbiggest5. 多音节形容词或副词前面直接加more或mostdeliciousmore deliciousmost deliciousbeautifulmore beautifulmost beautiful6. 不规则变化good (well)betterbest bad (badly)worseworstmuch/many more most B. 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 _ _wet _ _good _ _important _ _well _ _bad _ _many _ _little _ _far _ _strong _ _patient _ _safe _ _expensive _ _beautiful _ _ 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 isthe _ 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. Its 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 thanthe old one.8. Sally is _ (tall, taller) than her cousin.9. Our school is much _ (large, larger) thanyours.10. Look, Janet is jumping _ (high, higher) than Mike.11Mr Hare runs much _ (fast, faster) thanMr Turtle. Mr Hare neednt run_ (fast, faster) now.12. In the gym, Tommy is playing table tennis _(well, better) than Jimmy.13. This book is very _ (interesting, moreinteresting) , but that one is_ (interesting, more interesting) than it.14. The film is the _ (horrible, more horrible, most horrible) film of all.15. Its 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 Toms school is_ than mine. And Sallys 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. Im _, but she is _ than me.(beautiful)5. Every day is _. But today is the_ day I have ever