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1、,形容词和副词的比较级和最高级,Comparative and Superlative Degrees of Adjectives and Adverbs,请你思考：什么是形容词和副词？,形容词用于修饰名词，表示人或事物的属性或 特征等。,副词是用来说明动作或状态的特征,说明时间，地点，程度等概念。它用来修饰动词、形容词、副词、短语或句子。,形容词和副词的级别,大多数形容词和副词有三个等级： 原级 比较级 最高级,请你观察：形容词和副词比较等级的变化规律long longer longestnice nicer nicestbig bigger biggestearly earlier ear
2、liestinteresting more interesting most interestingcarefully more carefully most carefullyfriendly more friendly most friendly friendlier friendliestgood better bestmany/much more most,原级,比较级,最高级,请你总结：形容词和副词比较等级构成的规律一. 规则变化：1.单音节和部分双音节词,在词尾直接加-er,-est2.以字母e结尾的,加-r,-st3.以重读闭音节结尾且末尾只有一个辅音字母， 双写此字母,再加-e
3、r,est4.以“辅音字母+y”结尾的，把y变成i，再加- er,est5.多音节词和大部分双音节词,在词的前面加more 或most6.有些双音节词既可用more,most形式，又可用- er,-est形式二. 不规则变化,请给出下列形容词或副词的比较级和最高级tallnearlargeablethinhotfunnyhappybeautifulquicklyquietlittle,taller tallest,nearer nearest,thinner thinnest,abler ablest,larger largest,hotter hottest,funnier funniest
4、,happier happiest,more beautiful most beautiful,more quickly most quickly,quieter quietestmore quiet most quiet,less least,请你牢记：一，要双写再加-er,-est的词有哪些？,hot big fat thin red wet sad glad ,二. 不规则变化的词有哪些？,温馨提示：类似 slowly, quickly 这样的双音节词，虽然也是辅 音字母加y结尾，但这里的 -ly 是表示副词的后缀，因 此比较级和最高级的构成是在单词前加more和most。2. 强调程度
5、时，形容词和副词前可加上too,very,so, quite等。比较级前则要加上much, even, a little, a lot, still, a bit 等词(组)，表示程度。3. farther 常指时间、距离上的远。further可以代替 farther，还常用于引伸和抽象的意义，表示“进一步， 更深刻，更深入等”。4. older表示年龄大小或年代的久远，elder表示兄弟姐 妹之间的长幼关系。,形容词和副词原级的用法：,2. as + 原级 + as “和一样”,You are as tall as me. = You are as tall as I (am).He has
6、 as many books as I (have).This computer runs as fast as that one.,3. not as(so) + 原级 + as “不如/没有”,This jacket is not as(so) cheap as that one.She has not as(so) many books as I have.Henry doesnt study as(so) hard as his elder brother.,注：as在这里既可作介词又可作连词。作介词时，后接人称代词的宾格。作连词时，后接一个省略的比较状语从句。,用来直接描述人物或动作
7、。 John is a tall boy. Rabbits run fast. Our country is beautiful and strong.,形容词和副词比较级的用法：,1. 比较级 + than “比更”,You are taller than me. = You are taller than I (am). I dont think his writing is more beautiful than yours.,3. 比较级 + and + 比较级 “越来越”,The weather is getting warmer and warmer. Our school is
8、getting more and more beautiful.,注：than在这里既可作介词又可作连词。作介词时，后接人称代词的宾格。作连词时，后接一个省略的比较状语从句。,4. the + 比较级,the + 比较级 “越,越”,The more exercise you do, the healthier you will become.,2. 比较级 ( 特殊疑问句)， or ? “哪个更?”,Which is longer, this one or that one?,5.比较级和最高级的相互转化 A is 比较级 than any other 单数=A is 比较级 than th
9、e other 复数=A is the 最高级eg. Shanghai is bigger than any other city in China. = Shanghai is bigger than the other cities in China. =Shanghai is the biggest city in China. 比较：Shanghai is bigger than any city in Japan.,形容词和副词最高级的用法：,the + 最高级 + (名词) + 表示范围的短语或从句 “是最”,Bob is the tallest boy in our school
10、. He is the kindest man that I have ever met. Li Tao jumps (the) farthest of all. She is the most careful student of us three.,4.one of the+最高级(形)+名词(复)+表示范围的短语 “是当中最之一”,Shanghai is one of the biggest cities in China.,注:形容词最高级前一般要加the,副词最高级前可加可不加,3.最高级 ( 特殊疑问句)， or ? “哪个更?”,Who is the youngest, Jim,
11、 Tom or Jenny?,2. the second(third )+最高级+(名词)+ 表示范围 的短语 “是第二(三)”,The Chongming Island is the third biggest island in China.,形容词和副词比较级和最高级的20个雷区,Correct the mistakes:Marys hair is longer than my sister.The weather in Beijing is colder than in Shanghai.The apples in this basket are better than them in
12、 that basket.The Changjiang River is longer than any river in China.China is larger than any other country in Europe.His older brother is elder than I.Our country is getting more beautiful and more beautiful.This classroom is three times as bigger as that one.Who is tallest student in our school? Wh
13、ich do you like better, apples, bananas or pears?,_,my sisters,_,that ,_,those,_,any other,_,any,_,elder,_,older,_,more and more,_,big,_,the tallest,_,(the) best,Correct the mistakes:11. This box is more heavier than that one.12. Tom is the youngest in the three.13. He is taller of the two.14. Today
14、 is our the busiest day.15. I think math is very more difficult than Chinese.16. There are much more people in the street than usual.17. Mike is so tall as Jack.18. Li Ying jumped farther than Jim jumped.19. The Yellow River is the second longer river in China.20. We must get farther information.,_,
15、heavier,_,of,_,the taller,_,our,_,much,_,many,_,as,_,(did),_,longest,_,further,用括号内形容词或副词的适当形式填空:This horse is very _ (strong), but that horse is much _ (strong) than this one.Its so late, so I drive the car _(slowly) than usual.3. He went _(far) than the other explorers.4. The _(little) you eat, th
16、e _(thin) you are.5. The Beijing Library is one of _(big) libraries in China.6. The street is as _(long) as that one, but it is_ (wide) than that one.7. His drawing isnt so _(good) as yours.8. When a piece of ice is taken into a warm room, it becomes _(small) and _(small).9. This piano is _(expensiv
17、e) than the other two. It is _(expensive) of the three.10. Which is _(difficult), English, physics or biology?,strong,stronger,less,farther/further,long,smaller,more expensive,the most difficult,more slowly,good,the biggest,wider,smaller,the most expensive,thinner,合并句子，每空一词：Lucy is 8 years old. Lily
18、 is 8 years old, too. Lucy is _ _ _ Lily.2. Danny is 15. Jenny is 12. Jenny is _ _ _ than Danny.3. Jim jumps 2 metres high. Tom jumps 3 metres high. Tom jumps _ _ Jim.4. Jenny jumps far. Brain jumps farther than Jenny. Danny jumps farther than Brain. Danny jumps _ _ the three.5. A car runs 150 kilom
19、etres per hour. A bike runs 50 kilometres per hour. A car runs _ _ _ _ as a bike. A car runs _ _ than a bike,higher than,farthest of,three times as fast,as older as,faster,twice,three years younger,同义句转换，每空一词：1. Mike is not so/as tall as Jack. Jack is _ _ Mike.2. He is the youngest in his class. He
20、is younger than _ _ _ in his class. He is younger than _ _ _ in his class.3. The cheetah is faster than any other animal in the world. The cheetah is _ _ animal in the world. (同上) The _ fastest animal is the cheetah.4. Japanese is less useful than Chinese. Japanese _ as/so useful _ Chinese.5. I am a
21、s diligent as her. I am as diligent as _ _.6. Li Ying jumped farther than Jim. Li Ying jumped farther than Jim _.,taller than,any other student,the other students,the fastest,she is,did,worlds,isnt,as,汉译英：Jack和Mike一样高。Lily和Lucy跳得同样远。他的英语不如我说得好。格林小姐的房间比布朗小姐的干净得多。北京变得越来越美丽。,Jack is as tall as Mike.,Li
22、ly jumps as far as Lucy.,He doesnt speak English as/so well as me/I (do).,Miss Greens room is much cleaner than Miss Browns.,Beijing is becoming more and more beautiful.,The more careful you are, the fewer mistakes you would make.,Bob jumps (the) farthest of all.,The Changjiang River is one of the longest rivers in the world.,Jim came to school (the) latest in his class yesterday.,Which is the most difficult, English, physics or maths?,汉译英：6. 你越仔细，出错就会越少。7. 在所有人当中Bob跳得最远。8. 长江是世界上最长的河流之一。9. Jim在他班上到校最晚。10. 哪个最难，英语，物理还是数学？,Thank you !,Goodbye!,
