比较等级1.ppt

1、,比较等级,The first car is bigger than the second one.,The first car is faster than the second one.,In my opinion, lilies are more beautiful than roses.,The comparative of adj.(P49),这是世界上最高的建筑.,It is the tallest building in the world.,他是学生中最聪明的.,He is the cleverest of all the students.,这是图书馆里最有趣的的书.,It

2、is the most interesting book in the library.,The superlative of adj.(P50),我认为自行车比汽车要好.(good),I think bikes is better than cars.,我最糟糕的科目是语文.(bad),My worst subject is Chinese.,他家比我家要远.(far),His home is farther than mine.,The comparative and superlative of good, bad and far(P51),比较级: 两者之比 最高级: 三者及三者以上之

3、比,1 同级比较：as + 形容词原形+ as 2比较级(两者进行比较)：形容词er + than 3 最高级(三者进行比较)：the +形容词est,形容词比较级与最高级的构成,规则变化与不规则变化,形容词的比较级和最高级: 绝大多数形容词有三种形式,原级,比较级和最高级, 以表示形容词说明的性质在程度上的不同。 形容词的原级: 形容词的原级形式就是词典中出现的形容词的原形。 例如: tall great glad bad different,Attention,1)一般单音节形容词的比较级和最高级直接在 词尾加-er或-est. fastfasterfastest smallsmaller

4、smallest 2)以不发音的-e结尾的形容词在词尾加-r 或-st. widewiderwidest largelargerlargest 3)以辅音字母加y的单音节形容词,在词尾把-y去掉, 再加-ier 或 -iest. happyhappierhappiest heavyheavierheaviest,4)以重读闭音节结尾的单音节形容词,双写最后一个辅音字母再加-er或-est. bigbiggerbiggest hothotterhottest 5)大部分的双音节的形容词和多音节形容词在其前面加more或most. importantmore importantthe most i

5、mportant beautifulmore beautifulthe most beautiful,Attention,比较级结构,比较级: 两者之比,形容词比较级的用法: A+谓语(系动词)+ 形容词比较级+than+ B 形容词比较级: -er more + a. 注意从句常常省去意义上和主句相同的部分, 而只剩下对比的成分。,形容词前如加 less 和 least 则表示“较不”和“最不” important 重要 less important 较不重要 least important 最不重要,Our teacher is taller than _ are. 我们老师的个子比我们的

6、高。 It is warmer today than it _ yesterday. 今天的天气比昨天暖和。 This picture is _ beautiful than that one. 这张照片比那张照片漂亮。 This meeting is _ important than that one. 这次会议不如那次会议重要。,we,was,more,less,“ 形容词比较级 + and + 形容词比较级 ”, 表示 “ 越来越. ”。,Its getting _. 天气越来越热了. Its pity he is getting_. 真可怜他越来越虚弱了。 The computer i

7、s_. 计算机越来越便宜。 _ people focus on the meeting next year. 越来越多的人关注明年的会议。,hotter and hotter,weaker and weaker,cheaper and cheaper,The more and more,“The+形容词比较级., the+形容词比较级.”表示 “ 越. 就越.”。,The more you study, the more you know. 你学的越多, 就知道的越多。 The more we study hard, the better we will be. 我们学习越努力，我们就会越好。

8、 The more, _. 越多越好。,the better,1. the more the more The more attention you pay to study, the more progress you will make. 2. more and more There are more and more people in our country.,比较级的特殊用法 He is the taller ( boy) of the two. He is the taller ( boy ) of the both . He is the taller of the two /

9、both boys.,主语+谓语(系动词)+as+形容词原形+as+从句。(只保留主语，省略谓语等成分） 否定: not so/as as 表示两者对比相同. This box is _ mine. 这个盒子和我的一样大。 This coat is _ that one. 这件衣服同那件衣服一样便宜。 I do not study English _ my brother. 我不如我兄弟学习努力。,as big as,as cheap as,so /as hard as,比较级的修饰语,much, far, a lot, a little, a bit, even, 等表示程度的副词， 表示数

10、量或倍数 的短语可用来修饰比较级. The sun is _ bigger than the moon. 太阳比月亮大得多。 Im two years older than Tom. This rope is 5 meters longer than that one . This river is one fifth longer than that one. This room is twice larger than that one.,much,比较级 倍数,This room is twice lager than that one. 这间屋子比那间大两倍. This room is

11、 three times as large as that one. 这间屋子是那间屋子的三倍.,My books are three times more than yours. 我的书比你多三倍.=?,My books are four times as many as yours. 我的书是你的四倍.,同级比较： This book is _ that one. 同级倍数比较： This book is _ as thick as that one. 比较级： (三倍厚） This book is thicker than that one. 比较级倍数： This book is _

12、thicker than that one. This book is _ thicker than that one.,as thick as,three times,twice,two centimeters,形容词最高级,形容词最高级的用法: 形容词最高级用于三者及以上的人和物进行比较,要有明确的比较范围 ( in . / among ./ of all ) ,其结构形式为: 主语+谓语(系动词)+the+形容词最高级+(名词)+比较范围。 She is _ student in her class. 她是班上最好的学生。 Shanghai is one of _cities in Ch

13、ina. 上海是中国最大城市之一。,the best,the biggest,This is _ apple I have ever met. 这是我见到的最大的苹果。 Tom is _ boy on his basketball team. 汤姆是他们篮球队中个子最高的孩子,the biggest,the tallest,He is the most diligent among them. Of all the teachers , he is the best one.,形容词最高级前可以用序数词来修饰, 可以用形容词性物主代词替代the Which is the second larg

14、est country in the world ? It is my best pen.,比较级与最高级的其他用法 Which is _, A or B ? Which is _, A , B or C ? Which is _ , China or Japan ? Which is _, China , Japan or America ? A. large B. larger C. largest D. the largest,B,D,形容词比较等级的特殊用法,在比较级中,比较部分应该一致, 如比较物为单数, 其后可用that 替代, 如比较物为复数,其后可用 those 替代.,You

15、r book is better than I. Your book is better than mine. The classroom of Class 3 is bigger than that of Class 4. The classrooms here are bigger than those there.,mine = my book,most +形容词 表示 “极,很,非常, 十分” the most +形容词 表示最高级 Its most dangerous to be here. 在这儿太危险。 I cannot do it, its most difficult. 我干

16、不了这件事，太难了。 Of all the questions it is the most difficult. 在所有的问题当中,它是最难的.,more + adj. less + adj.,1.Some books are _ _ (更昂贵) than others. 2.Some books are _ _ (不如昂贵) than others.,more,expensive,less,expensive,3. Some animals are _ _ (更有趣) than others. 4. Some animals are _ _ (没那么有趣) than others. 5.

17、This subject is _ _ (更枯燥) than that one.,6. This subject is _ _ (没那么枯燥) than that one.,more,interesting,less,interesting,more,boring,less,boring,The + most + adj. The + least + adj.,5. This is _ _ _ (最闷的) story. 6. This is _ _ _ (最不闷的) story. 7. This is _ _ _ (最令人激动的) books. 8. This is _ _ _ (最不令人激动

18、的) books.,the,boring,most,the,most,exciting,the,least,boring,the,least,exciting,9. This is _ _ _ (最美丽的) flower. 10. This is _ _ _ (最不美丽的) flower. 11. This is _ _ _ (最好吃的) food. 12. This is _ _ _ (最不好吃的) food.,the,most,beautiful,the,least,beautiful,the,most,tasty,the,least,tasty,形容词的几个要注意的知识点,the + 形

19、容词 表示某种人。 He always helps _. 他经常帮助老人。 I like to have a talk with _. 我喜欢同年轻人谈话。 _sometimes complain their empty life. 富人有时抱怨他们空虚的生活。 _led the old man across the street. 警察领老人横过马路。,the old,the young,The rich,The police,quite a + 形容词+ 单数名词,He is quite a clever boy. It is quite a beautiful flower.,enoug

20、h + 名词 ( + to do sth. ) 形容词 / 副词 + enough ( to do sth.),We have enough time,to play.,The house is big enough,to hold 4 people.,He runs fast enough,to catch that bus.,very 修饰形容词原级,He is very clever. It is very beautiful.,不定代词 + 形容词,something good anything strange,much too + too much +,形容词 /副词 不可数名词,H

21、e runs much too quickly. That picture is much too beautiful. We have too much homework.,ed ing 区别 ？eg: excited & exciting goodwell hard hardly nearnearly older-elder,形容词最高级与比较级之间的转换,1. Mary is the most diligent in her class. 2. Mary is more diligent than any other student in her class. 3. Mary is mo

22、re diligent than the other students in her class. 4. Mary is more diligent than the others in her class. 5. Nobody is more diligent than Mary in her class.,1. Mary is the most diligent in her class. 2. Mary is more diligent than any other student in her class. 3. Mary is more diligent than the other

23、 students in her class. 4. Mary is more diligent than the others in her class. 5. Nobody is more diligent than Mary in her class.,many more + 可数名词 much more + 不可数名词 There are many more student in our school. There are much more food for us to eat.,副词的比较等级,副词的比较级与最高级 与形容词相同, 但副词最高级前可以不加the He runs fa

24、stest in his class. He runs the fastest in his class. He studies hardest in his class. He studies the hardest in his class.,The Superlative Degrees of Adverbs and Adjectives: best, least,2. Which do you like _ (最喜欢)? 3. Which do you like _ (最不喜欢) 4. I like _ _ (最喜欢游泳). 5. I like _ _ (最不喜欢游泳) 6. I li

25、ke _ _ (最喜欢阅读). 7. I like _ _ (最不喜欢阅读).,best,swimming,best,reading,best,least,swimming,least,reading,least,practices,1. The busier he is, _ he feels. the happilyb. happy the happierd. the best 2.Canada is the second _ country in the world. largeb. largerc. largest 3.Which do you think tastes _ , the

26、 chicken or the fish? a. wellb. goodc. better,一 选择正确的答案.,4. John has three sisters. Mary is the _ of the three. most cleverb. more clever c. cleverest 5. Toms home is far from school. Jacks is _ than Toms. far b. more far c. farther 6.The experiment was _ easier than we had expected. a. more b. much

27、 more c. much,7.This maths problem is _ that one. so easy asb. as difficult as c. much difficult thand. less easier than 8.I am sure this is not _ model, but _ than the one you chose. the lighter, lighterb. the lightest, lighter c. A light, lightestd. the light, the lighter 9.As a marriage gift, he chose her a _ ring than before. the valuableb. much valuable c. much more valuabled. most valuable,二 用词的适当形式填空.,Mr. Smith owns a _ collection of coins