比较级的使用方法.ppt

1、Unit 4 Our World,Topic 1 Whats the strongest animal on the farm?,Section A,a sheep,some sheep,What can we see in the countryside?,a goose,some geese,What can we see in the countryside?,a mouse,some mice,What can we see in the countryside?,1b,Listen to 1a and check the words you hear.,_ fresher _ bus

2、ier _ bluer _ taller _ bigger _ clearer _ nicer _ quieter _ noisier,Now, look at the pictures and say something about the countryside and the city.,录音1a-P81,Wang Wei likes the countryside very much because he thinks the air is _, the sky is _ and the rivers are _ there. Michael thinks the countrysid

3、e is much _ than the city, too, so people can enjoy the beauties of nature. Wang Wei goes to the countryside every year for his summer holiday.,fresher,bluer,clearer,quieter,Listen again and fill in the blanks. Then read it aloud.,所填单词有什么特点？,Answers to 2a: taller stronger shorter nicer cuter better,

4、Lets talk about the other animals on the farm.,countryside,The air is fresh.,The sky is blue.,The trees are green.,The river is clear.,Its quiet in the countryside.,The air is dirty.,The river is dirty.,city,The buildings are tall.,The roads are wide. The traffic is busy.,Its noisy in the city.,The

5、air in the countryside is _ The sky in the countryside is _ The river in the countryside is _ The trees in the countryside are _ than those in the city. Its _ in the countryside than in the city.,than that in the city.,greener,quieter,fresher,bluer,clearer,单音节及部分双音节形容词比较级（- er）和最高级（- est）的规则变化。,下列形容

6、词比较级和最高级变化有什么规律？,2b,单音节及部分双音节形容词比较级（- er）和最高级（- est）的规则变化。,1. 一般在词尾直接加er/est: talltallertallest 2. 以e 结尾的单词去e加er/est: widewiderwidest 3. 以辅音字母加y结尾的单词，把y改成i, 再加 er/est : busybusierbusiest 以重读闭音节结尾，且末尾只有一个辅音字母的单 词，双写末尾的辅音字母，再加er/est : bigbiggerbiggest , (fat, thin, red, hot) 重读闭音节：1）一个元音字母+一个或几个辅音字母 2

7、）元音字母不发本音 3）以一个辅音字母结尾 5.多音节词前加more,most: beautiful-more beautiful-most beautiful. 含一个元音的词叫作单音节词，含两个或两个以上元音的单词叫作双音节或多音节词。：,单音节及部分双音节形容词比较级（- er）和最高级（- est）的规则变化。,下列形容词比较级和最高级变化有什么规律？,taller,tallest,braver,bravest,fatter,fattest,thinner,thinnest,uglier,ugliest,2b,写出下列形容词的比较级和最高级。,short _ _ small _ _ l

8、arge _ _ late _ _ happy _ _ easy _ _ hot _ _ hard _ _ cute _ _ dirty _ _ interesting_ _ useful_ _,shorter shortest,smaller smallest,larger largest,later latest,happier happiest,easier easiest,hotter hottest,harder hardest,cuter cutest,dirtier dirtiest,more interesting most interesting,more useful mo

9、st useful,small big,The mice are smaller than the hens.,The hens are smaller than the geese.,The mice are the smallest of all.,？,？,The hens are bigger than the mice.,The geese are bigger than the hens.,The geese are the biggest of all.,small big,？,？,thin,The ducks are a little thinner than the geese

10、.,The ducks are much thinner than the pigs.,？,thin adj. 瘦的；薄的；稀的,形容词比较级最高级的基本用法,1.同级比较 两个比较对象程度相同时，用:as+形容词原级+as 例如：Tom is as tall as his brother. 2.比较级+than的结构前可以加上某些副词类的词，以对其进行修饰，如：even（甚至），much/far/a lot（许多）， a little/bit（一点），等等。例如： Shes a little/bit more outgoing（外向） than me. My bike is much/far

11、 newer than his. 3. The +比较级+ 句子，the + 比较级+ 句子。意思是：越.越. 朋友越多，我们越开心。 4.比较级+ and + 比较级。意思是:越来越. 他跑的越来越快。,5.如果比较对象相同，可用that、those代替第二个。 This TV is much more expensive than that in the window。 The houses of the rich are larger than those of the poor 6.the+比较级+of.意思是：两者比较时，较. the+最高级+of/among/in.意思是：三者以上

12、比较，最. 如：She is the stronger of the two. She is the tallest in our class/among the students/of the students. 7.比较级与最高级的互换： 比较级+than+the other+复数名词 =比较级+than+any other+单数可数名词=the+最高级 如：He is the strongest boy in our class,=He is stronger than the other boys in our class,=He is stronger than any other

13、boy in our class,1.This picture is _ than that one. A. beautiful B. more beautiful C. most beautiful D. the most beautiful 2.The Changjiang River is one of _ rivers in the world. A. long B. longer C. longest D. the longest 3.Dont worry. Your mother will get_ . A. well and well B. better and better C

14、. well and better D. good and well 4.We come to school very early, but our teachers come to school_. A. very earlier B. much early C. earlier D. the earliest 5. _ of the two men is my uncle. A. The older B. Older C. The old D. The oldest 6. Do you know_ of the three? A. the tallest B. tallest C. the

15、 taller D. the tall,B,D,B,C,A,A,7._ all the boys in his class. Tom is the shortest. A. In B. For C. From D. Of 8. The Changjiang River is the third _ river in the world. A. long B. longer C. longest D. the longest 9.Which do you like _, tea, orange or water? A. good B. well C. better D. best 10._of

16、the two women is Mrs Brown. A. The beautiful B. The more beautiful C.More beautiful D. The most beautiful 11.My hair is longer than _ A. my sister B. Kate C. my brothers D. Lucys 12.There are_in the park on Sunday. A. more children B. a lot of people C. much men and women D. many peoples,D,C,D,B,C,B,Look at the picture and choose the correct word for each animal. Then make conversations with the adjectives in 2b.,Pair work,3,horse pig cow cat sheep mouse hen goose duck dog rabbit,Example :,( One day, the animals on the farm were talking.) Dog : Im t