教案(小学形容词副词比较级).doc

博思教育课堂教案学生姓名佘柏然授课教师梁柳娟日 期（周次）2011.3.6授课题目（教学章节或教学主题）：形容词、副词比较级和最高级的规则变化和不规则变化重点难点：少数动词比较级和最高级的不规则变化授课内容形容词、副词比较级和最高级规则变化和不规则变化规则变化 （1）一般情况下，单音节或双音节的形容词（或副词）比较级er ， 最高级est clevercleverercleverest fewfewerfewest smallsmallersmallest等 （2）以e结尾的词，比较级r，最高级st即可 nicenicernicest cutecutercutest largelargerlargest （3）以辅音字母y结尾的变y为ier或est easyeasiereasiest happyhappierhappiest 再如：early , busy , heavy , dirty , lazy . 也如此 （4）双写最后一个辅音字母er或est的词同学要用心去记。 1. fatfatterfattest 2. thinthinnerthinnest 3. hothotterhottest 4. redredderreddest 5. wetwetterwettest 6. bigbiggerbiggest （5）多音节和部分双音节的词需要在形容词原级前more构成比较级，the most构成最高级。 beautiful more beautiful the most beautiful . delicious , popular , important , interesting , expensive 双音节的词如 carefulmore careful the most careful useful more useful the most useful . 少数单音节词也是这样如： pleasedmore pleased the most pleased tiredmore tried the most tired（6）除此之外，还有几个特殊的单词，它的比较级和最高级都是不规则的，如： many / much（原形） more（比较级） most（最高级） little / few（原形） less （比较级） least（最高级） good（原形） better（比较级） best（最高级） bad （原形） worse（比较级） worst（最高级） far （原形） further furthest（7）注意 比较的两者应该是互相对应的可比较的东西。 典型错误：My hair is longer than you.（我的头发比你更长。） 比较的两者是我的头发、你（整个人），那么比较的对象就没有可比性。 应该改为：My hair is longer than yours. 或My hair is longer than your hair. （8）附：如果比较的两者是一样的时候，我们会用 asas这个词组，它的用法是： 什么 be as 形容词原形 as 什么，意思是什么和什么一样。如： Im as tall as you.（我和你一样高。） My feet are as big as yours.（我的脚和你的一样大。） （9）副词的最高级与形容词最高级的区别在于最高级可以不用定冠词the比较级专项练习一、 写出下列形容词与副词的比较级与最高级形式： long_ _ wide _ _ fat _ _ heavy_ _ slow _ _ few_ _ brightly_ -_ bably _ _ far_ _ quickly _ _ happy_ -_ unhappy_ 二、用所给词的正确形式填空： 1. Of the two girls, I find Lucy the _ (clever). 2. Gold(黄金) is _ (little) useful than iron(铁). 3. My sister is two years _ (old ) than I. 4. Johns parents have four daughters, and she is the _ (young) child. 5. The _ (cheap) bags are the not usually the best ones. 6. The short one is by far _ expensive of the five. 7. The boy is not so _ (interesting) as his brother. 8. Dick sings _ (well), she sings _(well) than John, but Mary sings_(well) in her class. 9. She will be much _ (happy) in her mew house. 10. This dress is _ that.(twice, asas, expensive) 三、选择填空： 1 He feels _ today than yesterday. A. tired B. more tired C. more tireder D. much tired 2. Which do you like _, coffee, tea or milk? A. the worst B. worse C. the worse D. worst 3. Of the two toys, the child chose_. A. the expensive one B. one most expensive C. a least expensive D. the most expensive of them 4. The line is _ than that one. A. more longer B. not longer C. much more longer D. many more longer 四、根据答句写出问句 (1) Im 160 cm. (2) Im 12 years old. (3) My shoes are 80 yuan. (4) Amys hair is 30 cm long. (5) I have three English books.五、翻译句子： 1 本书跟那本书一样有趣。This book is _ _ _ that one. 2 你游泳没有你弟弟好。You cant swim _ _ _ your brother. 3 今天比昨天冷的多。It is _ _ today_ it was yesterday. 4 对这个故事我比另一个喜欢的多。This story is _ _ _ than that one. 5 他比我大两岁。He is _ _ _ than I.