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1、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 tallestfastfasterfastest2. 以-e结尾的单音节形容词或副词直接加-r或-stlargelarger largestnicenicernicest3. 以-y结尾的形容词或副词,改-y为-i再加-er或-estbusybusier busiestearlyearlier earliest4.
2、 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-esthot hotterhottestbigbiggerbiggest5. 多音节形容词或副词前面直接加 more 或 most deliciousmore deliciousmost delicious beautifulmore beautiful most beautiful6. 不规则变化good (well) better bestbad (badly)worseworst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 ta
3、ller 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
4、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 flythan birds. They fly in the world. ( high, higher, highest )
5、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 oneis much than the green one. It ' s the book in the bookshop. (nice, nicer, nicest )5. Look at that boy, he is run
6、ning (fast,faster).6. I think that book is (good, better) foryou.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) thanMike.11 Mr Hare runs much (fast, faster)
7、 thanMr Turtle. Mr Hare needn' t run(_fa_s_t_, 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 horr
8、ible) 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. (bus
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