形容詞比較級和最高級

1、形容詞、副詞的比較級和最高級的用法：當(dāng)兩種物體之間相互比較時，我們要用形容詞或副詞的比較級； 當(dāng)相互比較的物體是三個或三個以上時，我們就要用形容詞或副詞的最高級。形容詞、副詞的比較級和最高級的變化規(guī)律：1. 單音節(jié)形容詞或副詞后面直接加 -er 或 -est tall taller tallestfastfasterfastest2. 以-e結(jié)尾的單音節(jié)形容詞或副詞直接加-r或-stlargelarger largestnicenicernicest3. 以-y結(jié)尾的形容詞或副詞，改-y為-i再加-er或-estbusybusier busiestearlyearlier earliest4.

2、 形容詞或副詞是重讀閉音節(jié)時，雙寫最后的輔音字母，再加-er或-esthot hotterhottestbigbiggerbiggest5. 多音節(jié)形容詞或副詞前面直接加 more 或 most deliciousmore deliciousmost delicious beautifulmore beautiful most beautiful6. 不規(guī)則變化good （well） better bestbad （badly）worseworst形容詞、副詞的比較級和最高級的句子公式：比較級 形容詞物體 A + am / are / is + 形比 + than + 物體 B.I am ta

3、ller than you.Pasta is more delicious than pizza.副詞物體 A + 行為動詞 + 副比 + than + 物體 B.Cheetahs run faster than goats.He studies better than me.最高級1）物體 A + am / are / is + the + 形最高級 + 比較范圍（ of + 人 /物， in + 地方） .I am the tallest in the class.Pasta is the most delicious food of the three.2）物體 A + 行為動詞 + 副

4、詞最高級 + 比較范圍（ of + 人 /物， in + 地方） Cheetahs run fastest in the world.He studies best of us.一. 詞形變換。比較級最高級large fast easy 比較級最高級wet good important well bad many little far strong patient safe expensive 二. 選擇填空。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. 用所給單詞的適當(dāng)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