1、比较级得变化规则1. 一般在原级后加 er 构成比较级，加 est 构成最高级。e.g. smallsmallersmallestyoungyoungeryoungest2. 以不发音的字母 e 结尾的形容词，直接加 r 或 st 构成比较级和最高级。e.g. nicenicernicestlatelaterlatest3. 以辅音字母 +y 结尾的形容词，变 y 为 i ，再加 er 或 est, 构成比较级和最高级。e.g. busybusierbusiestheavyheavierheaviest4. 在重读闭音节中， 末尾只有一个辅音字母的形容词， 要先双写这个辅音字母，再加 er 或
2、 est ， 构成比较级和最高级。e.g.hothotterhottestbigbiggerbiggest5. 个别形容词的比较级和最高级是不规则变化，需个别记忆。e.g. good (well)betterbestbad (badly, ill)worseworstmany(much)moremostlittlelessleastfarfatherfarthest（一）写出下列形容词与副词的比较级Long _wide _fat _heavy _slow _few_bright_far _many_happy_nice_much _old_busy_hot_slow _thin _clean_
3、big _cold _young_(二)用所给词的正确形式填空：1. Bob is _ ( young ) than Ben.2. Sally is not as _ (tall) as Ada.3. Which is _(heavy), a hen or a chicken?4. How_ (tall) is Sally?5. A dictionary is much _ (expensive)thana story-book.6. An orange is a little _ (big) than an apple, but much _(small) than a watermelon
4、.7. My home is much _ (far) than his.8. You look much _than before. (thin)9. This dish is _ than the cake. ( delicious )10. My room is _ than your room. (clean)(三) 选择题1. Bob is _ than Tom.2. Which is _ a monkey or a zebra?3. He is much _ than Sally.4. Ben is _than Peg.5. This question is _ than that
5、 one. A easy B easier C easiest6. The chair is _ than the door.A more expensiveB expensiverC expensivest7. The basketball is _ than the football.8. Her dress is _ than my dress.A beautifulB beautifulerC more beautiful9. She is _ than my sister.A oldB olderC oldest10.My hair is _ than your hair.A longB longerC longest11.The flower is _ than the bees.A manyB moreC most12.My aunt drives much _ than my mother.A betterB much better C best13.Winter is _ than autumn.A coldB colderC colder14.My brother is _than my sister.A busyB busierC busyer15.The pig is _than the bird.A fatB fatterC fattest
