小学生英语---比较级及练习.doc

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. small smaller smallest young younger youngest2.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. nice nicer nicest late later latest3.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. busy busier busiest heavy heavier heaviest4.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est， 构成比较级和最高级。e.g. hot hotter hottest big bigger biggest5.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) better bestbad (badly, ill) worse worstmany(much) more mostlittle less leastfar father farthest（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_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) than a story-book. 6. An orange is a little _ (big) than an apple, but much _ (small) than a watermelon.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.A tall B taller C talles 2. Which is _ a monkey or a zebra?A heavy B heavier C heavyer 3. He is much _ than Sally. A good B better C best 4. Ben is _than Peg.A popular B more popular C popularer5. This question is _ than that one.A easy B easier C easiest 6. The chair is _ than the door. A more expensive B expensiver C expensivest 7. The basketball is _ than the football.A big B bigger C biggest8.Her dress is _ than my dress.A beautiful B beautifuler C more beautiful9. She is _ than my sister.A old B older C oldest10.My hair is _ than your hair.A long B longer C longest 11. The flower is _ than the bees. A many B more C most 12. My aunt drives much _ than my mother. A better B much better C best 13. Winter is _ than autumn. A cold B colder C colder14. My brother is _than my sister.A busy B busier C busyer 15. The pig is _than the bird. A fat B fatter C fattest