英语形容词比较级最高级的变化课件.ppt

1、Make Comparisons 1. Write down the comparatives and the superlatives of these words big nice long new cheap young late safe thirsty heavy easy hard high few old thin expensive interesting carefully quickly good bad little far many/much The Comparative and Superlative forms of Adjectives 形容词的级形容词的级 ?

2、原级：即形容词的原形。 small, good, pretty, big, many ?比较级：两个人或物之间的比较。 smaller, better, taller, older, more ?最高级：三个或三个以上的人或物之间的比较。 smallest, tallest, newest, best 原级 比较级 最高级 一般在词尾加-er/-est small young smaller younger smallest youngest 以e结尾的形容词加-r/-st nice large nicer larger nicest largest 重读闭音节结尾的词,词尾只有一个辅音字母,

3、应先双写该字母,再加-er/-est big thin bigger thinner biggest thinnest 以辅音字母加-y结尾的词,变y为i,再加-er/-est heavy happy heavier happier heaviest happiest 单音节和少数多音节的形容词的比较级的变化： 双音节或多音节形容词的比较级：双音节或多音节形容词的比较级： 1、一般是在原级前加 more构成比较级，在原级前加most构成最高级。 beautiful more beautiful most beautiful interesting more interesting most i

4、nteresting dangerous more dangerous most dangerous 2、某些单音节形容词，加 more, most 构成比较级和最高级。 glad more glad most glad pleased more pleased most pleased tired more tired most tired 3、少数多音节形容词，特别是 y和ow结尾的，在原级和加er 和est构成比较级和最高级。 happy happier happiest narrow narrower narrowest 4、有些双音节和单音节形容词，既可以加 er或est构成比较级和

5、最高级，也可以加 more 和most构成比较级和最高级。 right huge calm free true fond 不规则形容词的比较级和最高级：不规则形容词的比较级和最高级： good / well better best bad / ill worse worst little less least many / much more most far farther / further farthest / furthest old older / elder oldest / eldest 比较级的用法：比较级的用法： (1) than 汤姆比杰克高. 这只箱子要比那只箱子大. 那

6、些苹果比这些大. 第一个问题很容易,但第二个更容易. Tom is taller than Jack. This box is bigger than that one. Those apples are bigger than these ones. The first question is very easy, but the second one is easier. More examples: Mary is cleverer than her little sister. The new building is higher than the old one. His shirt

7、 is more expensive than mine. Kate is more beautiful than Lily is. She is five years older than I am. He is 2 centimeters taller than her. This ruler is 20 centimeters longer than that one. (2) 数量的比较数量的比较 我的笔比你的多. 我喝的茶比他多. 他吃的饭比我少. 一班的学生比二班多 . I have more pens than you (do). I drink more tea than he

8、 (does). He has less rice than I (do). There are more students in Class 1 than in Class 2 . 3 3、形容词原级的比较。、形容词原级的比较。 形容词的原级与asas连用表示肯定意思，是“和一样”的意思；与not as/ so as连用表示否定意义，是“不如”或“不一样”的含义。 She is as pretty as her mother. The book is as new as that one. The story is as interesting as that one. The questi

9、on is not as / so difficult as that one. My bike is not as / so good as yours. 4 4、形容词比较级的修饰。、形容词比较级的修饰。 much + 形容词的比较级 得多 a little + 形容词的比较级 一点 This pen is much better than that one. Tom is a little shorter than his friend Jim. Today is a little colder than yesterday. The book is much more interest

10、ing than that one. 5. 形容词的比较级 + and + 形容词的比较级 （前后形容词是同一个） 越来越 She is becoming thinner and thinner . Our country is becoming richer and richer . There are more and more students in our school. Living in the world is becoming more and more difficult . 6、the + 形容词的比较级 + + the +形容词的比较级 表示“ 越，就越” The mor

11、e you eat, the fatter you will be. The harder you study, the more you will get. The smaller the house is, the less it will cost. The sooner, the better . 7、the + 形容词比较级 + of 短语 两者中比较的一个 She is the prettier of the two girls. The bike is the older of the two. His is the taller of the two. This one is

12、the more beautiful of the the two picture. 形容词最高级的用法 (in; of) 那个短发的女孩是我们班最高的 . 今天是一年中最热的一天 . 他的房间是三个中最干净的一个 . 上海是中国最大的城市 . The girl with red hair is the tallest in our class. Today is the hottest day of the year. His room is the cleanest of the three. Shanghai is the largest in China. More examples:

13、 He is the youngest of all the children. This book is the most interesting of all books. America is the most developed country in the world. The Changjiang River is the longest river in China. He is one of the greatest scientists in China. The city is one of the most beautiful cities in the world. Lucy is one of the tallest girls in her class. Give my best wishes to you. He is my best friend.