Unit3Languageinuse

1、新标准七年级英语下Module5 语法：形容词比较级 执教者：田东县上法初中 蓝冬梅,一、形容词： 同学们，到目前我们学习了很多描绘人物外貌特征，事物性质特征，天气状况等的词，比如：fat-thin, tall -short, big-small, warm -cool, long -short, new-old, light -heavy, strong-weak , hot -cold, young-old等等，这些词也都是形容词。同学们，你们会使用这些词造些句子吗？,例如： 1. Our classroom is big. 2. It is warm today. 3.The tree

2、is tall. 4.The desk is old. 5.My apple is small. 6.My sister is thin. 7.Her mother is fat. 8.The house is new. 9. My grandfather is very old. 10. The lion is young and strong.,二、形容词的比较级： 在英语中，如果A比B大，比B高或比B长，该 如何表达？这就需要借助形容词的比较级。 今天我们就来学习单音节和少数双音节的形容 词的比较级的规则变化构成和用法。,一）构成： 单音节形容词的比较级的规则变化： 1. 一般词尾加er

3、.long -longer 2. 以e结尾的词加r.nice -nicer 3. 以辅音字母加y结尾的词, 改y为i再加 er.heavy -heavier 4. 以一个元音和一个辅音结尾的重读闭音节词,先双写辅音字母再加er.hot -hotter,形容词比较级：规则的单音节的形容词比较级 原级 比较级 tall taller short shorter old older cold + er colder warm warmer long longer small smaller,1.,nice nicer white + r whiter heavy heavier easy + ier

4、 easier busy busier hot hotter big +(双写最后字母）er bigger fat fatter,2.,3.,4.,学练结合： 写出下列的单词的比较级： big _ heavy _ small _ warm _ cold _ strong _ hot _ fat _ thin _ cool _ new _ nice _ busy _easy _ large _ long _ short _ tall _ fine _ early _ weak _,bigger,heavier,smaller,warmer,colder,stronger,hotter,fatte

5、r,thinner,cooler,newer,nicer,busier,easier,larger,longer,shorter,taller,finer,earlier,weaker,二）用法： 当我们需要在对两者进行比较时,形容 词要采用比较级的形式, 形容词之后 要用 than 引出比较的对象。,三）结构: A + be( is/am/are )动词 + 形容词 比较级 + than + B. 意思是与B相比，A更加.; A 比 B 更.,Yaoming is _ ( tall) than Pan Changjiang. Pan Changjiang is _(short) than Y

6、ao Ming.,Yaoming 226cm tall,Pan Changjiang 160cm short,taller,shorter,A +be( is/am/are )动词 + 形容词比较级 + than + B.,Hanhong fat,Zhou Jielun thin,Hanhong is_ (fat)than ZhouJielun. Zhou Jielun is_ (thin)than Honghong.,fatter,thinner,A + be( is/am/are )动词 + 形容词比较级 + than + B.,tigers big,cats small,Tigers a

7、re _ (big) than cats. Cats are _ (small)than tigers.,bigger,smaller,monkeys weak,lions strong,Lions are_(strong) than monkeys. Monkeys are_ (weak) than lions.,stronger,weaker,Changjiang River 6300km long,Huanghe River 5464km,Changjiang River is _ (long) than Huanghe River. Huanghe River is_(short) t

8、han Changjiang River.,longer,shorter,Elephants are_(heavy) than horses. Horses are _(light) than elephants.,elephants heavy,horses light,heavier,lighter,Zhao Benshan old,Song Zuying young,Zhao Benshan is _ (old) than Song Zuying. Song Zuying is _ (young) than Zhao Benshan.,older,younger,Beijing is _

9、(cold)than HongKong in winter. Hong Kong is _(hot) than Beijing in summer.,Beijing cold,Hong Kong hot,colder,hotter,通过以上图片的对比，请同学们用身边的实例 进行句型操练： A + be( is/am/are )动词 + 形容词比较级 + than+ B. 1.big - small long -short 2. tall -short fat -thin 3.strong-weak yong -old 4. heavy -light new -old,四）知识巩固： 用所给词的

10、适当形式填空 1.The black dog is _ (thin) than the white dog. 2.This balloon is _ (big) than yours. 3.My bag is _ (heavy) than yours. 4.John is _ (strong) than Mike. 5. I am _ (short) than Lucy.,thinner,bigger,heavier,stronger,shorter,6. Changjiang River is _ (long ) than Huanghe River. 7. Shanghai is _(bu

11、sy) than Nanning 8. A bike is _ ( cheap ) than a car. 9. This schoolbag is _ (light) than that schoolbag. 10. I am _ (short) than his sister. 11. Autumn is _(cool ) than summer. 12. Spring is _(warm ) than winter.,longer,busier,cheaper,lighter,shorter,cooler,warmer,单项选择: ( ) 1. My hair is _ than her

12、 hair. A long B longest C longer ( ) 2. His brother is _. A taller B tall C talls ( ) 3. I am 156cm, you are 165cm , so you are _ than me. A taller B tall C talls ( ) 4. The yellow ruler is _than the red one. A short B longer C shortest ( ) 5. My dog is _than your dog. A long B short C weaker r,C,B,

13、A,B,C,汉译英： 田东比百色小。 苹果比芒果便宜。 右江河比龙须河长。 我们的教室比你的教室大。 在冬天，田东比桂林温暖。 跑步比游泳容易。,三、小结：本节课学习了单音节规则形容词的比较级的一般构成规律以及它的用法。希望同学们在今后的学习运用中一定要牢记。 1. 一般词尾加er.long -longer 2. 以e结尾的词加r.nice -nicer 3. 以辅音字母加y结尾的词, 改y为i再加 er.heavy -heavier 4. 以一个元音和一个辅音结尾的重读闭音节词,先双写辅音字母再加er.hot -hotter,结构: A + be( is/am/are )动词 + 形容词 比较级 + than + B. 意思是 与B相比，A更加.; A 比 B更.,四、作业： 写出下列句子的同义句： 1. He is taller than me. I am _than him. 2. I am 14years old, you are 16years old, You are 2 years _ than I. 3. My sister is stronger than I. I am _ than my si