形容词和副词比较级的变化规则

1、 形容词和副词比较级的变化规则 直接加er双写最后一个字母加er 在单词末尾加r去y变i加er不规则变化oldolderbigbiggerlatelaterheavyheaviergoodbetter 比较级的几种主要句法1、问人的句法：（要用形容词比较级）陈述句：SuHai is older than SuYang. 一般疑问句：Is Su Hai older than Su Yang? 特殊疑问句：Who is older than SuYang? 选择性的特殊疑问句：Who is older, Su Hai or Su Yang?2、问物的句法：（要用形容词比较级） 陈述句：His ru

2、ler is longer than her ruler. 一般疑问句：Is his ruler longer than her ruler? 特殊疑问句：Whose ruler is longer than her ruler? 选择性的特殊疑问句: Whose ruler is longer, his or hers?3、问动作的句法：（要用副词比较级） 陈述句：Mike jumps higher than Ben. 一般疑问句：Does Mike jump higher than Ben? 特殊疑问句：Who jumps higher than Ben? 选择性的特殊疑问句: Who j

3、umps higher, Mike or Ben? 比较级句子中涉及到的人称代词和物主代词的用法1、主格和宾格（原句） Mike is stronger than Nancy.（改一改）He is stronger than her.（原句） This man is taller than that man. (改一改) _is taller than_.（原句） Helen swims faster than Su Yang. (改一改) _swims faster than_.你能总结一下：什么时候用主格，什么时候用宾格吗？2、形物和名物（原句） Liu taos bag is heavi

4、er than Yang Lings bag.(改一改) His bag is heavier than her bag. His is heavier than hers. 想一想：红色部分分别是什么类别的物主代词？（原句） Mr. Greens desk is bigger than Miss Lis desk. (改一改) _desk is bigger than _desk. _is bigger than _.练 习一、语音 选出每组单词中划线部分读音与其余三个不同的单词。（ ）1、A、workerB、workbookC、wormD、doctor（ ）2、A、weightB、heig

5、htC、eightD、eighty（ ）3、A、thanB、trafficC、lateD、animal（ ）4、A、nearB、yearC、bearD、hear（ ）5、A、moreB、workC、worldD、worm二、选择填空。( ) 1.Are you as _ as your classmate, Xiao Ming? A. tall B. taller C. younger( ) 2._ Saturday morning, they went for a_ A. In, walk B. On, walk C. At, walking ( ) 3.This cat is _ than

6、 that one. A. thin B. thinner C thinner( ) 4. Whose ruler is longer, _? A. yours or his B. your or his C. yours or her( ) 5. -What do your parents do after supper?-They take the _ dog for a walk. A. cute B. red C. well( ) 6.-_ your grandfather 80 years old? -Yes, he _. A. Is, does B. Are, is C. Is,

7、is三、用括号里所给单词的正确形式填空。Im _ (tall) than David.Whos _ (young), you or your brother?Which is _ (long), Chang Jiang River or the Yellow River?Davids bag is _ (heavy) than _ (I).Gao Shan runs_(fast)than his brother.  Is your hair as _ (longer, long)as hers? Yang Ling' flies a kite_(highertall

8、er)than David.My mum _ (says, say)Jimmy is also her child. I am three months _(minutesminute) youger than _.  (he, him)四、课文内容填空Last Sunday morning, Su Hai _ (go) for a walk in the park. She met Ben and his cousin Jack. They had a _ (chat). Jack was not the only _ (children) .He had a broth

9、er Jimmy. Thats a _ (cute) dog. Jack was 6 years old. Ben was _ (old) than him. Ben was also _ (tall) and _ (heavy) than him. Ben was as _ (old) as Su Hai. But he was _ (strong) than Su Hai. Su Hai had a _ (twins) sister Su Yang. Su Yang was twenty _ (minute) _ (young) than Su Hai. 五、完成阅读理解，教师讲评。Mr.

10、 White and Mrs. White work in the same hospital. They have two lovely girls. Their names are Lucy and Lily.Lucy and Lily are twin sisters. Lucy is 10 years old. Lily is ten minutes younger than Lucy. But Lucy isnt as tall as Lily. She is shorter than Lily. They are both students in Sunshine Primary

11、School. Lucy is good at Maths. But Lucy is not. She is better at music. They like watching TV. They watch TV every Saturday and Sunday.The Whites came to China 2 years ago. They like China very much now. They like Chinese food. 根据短文内容判断正误。(    ) 1.The parents work in the same hospital.(    ) 2. Mr. White and Mrs. White