qi形容詞和副詞的比較級(jí)與最高級(jí)專項(xiàng)講練課件

1、形容詞和副詞的比較級(jí)和最高級(jí)形容詞：是修飾名詞（人或事物），表示名 詞的性質(zhì)，特征或?qū)傩砸环N詞類。 它在句中作定語、表語和賓語補(bǔ)足語。副詞：用來修飾動(dòng)詞、形容詞及其他副詞 的詞叫副詞。副詞在句中多作狀語. 一、形容詞和副詞的概念bigbiggerLook at the pictures and understand 看圖并理解Look at the pictures and understand 看圖并理解bigbiggerbiggestfastLook at the pictures and understand 看圖并理解fastfasterfastestLook at the pictu

2、res and understand 看圖并理解三、形容詞和副詞的級(jí)形容詞和副詞有三個(gè)等級(jí)： 原級(jí)、比較級(jí)、最高級(jí)1.原級(jí)：即形容詞和副詞的原形。 small, good, pretty, big, many hard, happily, slowly, quickly 程度副詞very,too,so,quite等修飾形容詞和副詞的原級(jí)。 如：very tall、 too hot、 so cold quite interesting run quickly 構(gòu) 成 方 法原 級(jí)比 較 級(jí)最 高 級(jí)單音節(jié)詞和少數(shù)多音節(jié)詞一般在詞尾加-er/或-est/ist/coldcoldercoldestf

3、astfasterfastest以字母e結(jié)尾的形容詞，加-r或-stnicenicernicestlargelargerlargest重讀閉音節(jié)詞只有一個(gè)輔音字母時(shí)，應(yīng)先雙寫輔音字母；再加-es或-estbigbiggerbiggesthothotterhottest以“輔音字母+y”結(jié)尾的雙音節(jié)詞，先改“+y”結(jié)尾的雙音節(jié)詞，先改“y”為“i”,再加-er或-esteasyeasiereasiestearlyearlierearliest多音節(jié)詞和部分雙音節(jié)詞在詞前加more或mosttiredmore tiredmost tiredeasilymore easilymost easily單

4、音節(jié)和少數(shù)多音節(jié)的形容詞和副詞的比較級(jí)和最高級(jí)的構(gòu)成分規(guī)則和不規(guī)則。變化如下：特別提示：形容詞比較級(jí)前加more,最高級(jí)前加most的情況： 1.以-ful或-less結(jié)尾的形容詞。more careful/carless2.動(dòng)詞的現(xiàn)在分詞或過去分詞充當(dāng)形容詞。more tired ,more boring3.頻度副詞前。more often4.以-ly結(jié)尾的形容詞前可加more,也可改y為i,再加-er. more friendly/friendlier5.少數(shù)以-ly結(jié)尾的副詞前。more slowly/quickly 不規(guī)則變化，要多加注意哦！ good bad many little

5、well badly much far betterbestworseworstmoremostlessleastbetterbestfartherfarthestworseworstmoremostimportant _ _ easy_ _ wet_ _ happy_ _ careful _ _ thin _ _ good_ _ hot _ _ easily _ _ many_ _ nice _ _ big _ _heavy_ _delicious_ _much_ _給出下列詞的比較級(jí)和最高級(jí) more importantmost importanteasiereasiestwetterwe

6、ttesthappierhappiestmore carefulmost carefulthinnerthinnestbetterbesthotterhottestmore easilymost easilymoremostnicernicestbiggerbiggestheavierheaviestmore deliciousmost deliciousmoremostMore examples:1.Mary is cleverer than her little sister.2.The new building is higher than the old one.3.His shirt

7、 is more expensive than mine.4.Kate is more beautiful than Lily is. 5.She is five years older than I am.6.He is 2 centimeters taller than her.7.This ruler is 20 centimeters longer than that one.More examples:1.He is the youngest of all the children.2.This book is the most interesting of all books.3.

8、America is the most developed country in the world.4.The Changjiang River is the longest river in China.5.He is one of the greatest scientists in China.6.The city is one of the most beautiful cities in the world.7.Lucy is one of the tallest girls in her class.8.Give my best wishes to you.9.He is my

9、best friend.形容詞最高級(jí)的用法(in; of)那個(gè)短發(fā)的女孩是我們班最高的.今天是一年中最熱的一天.他的房間是三個(gè)中最干凈的一個(gè).上海是中國(guó)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.注意1.The new building is higher than the old one.Those apple

10、s are bigger than these ones.2.His shirt is more expensive than mine.如果主語是物主代詞+名詞，那么后面要用名詞性物主代詞。比較級(jí)必須在同類中進(jìn)行，即人與人比，物與物比，而且比較結(jié)構(gòu)前后的詞語要對(duì)稱，特別注意在than或 as 之后不要漏掉可能出現(xiàn)的替代詞 that ，those, one ,ones. 注意3.Kate is more beautiful than Lily is. She is five years older than I am. I drink more tea than he (does).than前

11、后句子的時(shí)態(tài)相同。通常用be動(dòng)詞情態(tài)動(dòng)詞can, may, must, could, should和助動(dòng)詞do, does ,did, will，have等來簡(jiǎn)答。4.I have more pens than you (do).many,much,little,few等詞必須帶名詞。注意5.The city is one of the most beautiful cities in the world.one of+ the+最高級(jí)+復(fù)數(shù)名詞 Which/Who+ 比較級(jí)，A or B? Which/Who+ 最高級(jí)，A ，B or C?6.Who is older, Jim or Tom

12、 ? Who is the tallest, Jim , Mike or Tom Which language is _ , English, French or Chinese?A. difficult B. more difficult C. the most difficultC注意7. Mary is the tallest of all the sisters in the family .在使用形容詞最高級(jí)時(shí)，一定要把自己包括 在比較的范圍內(nèi)。8.This is the third largest city in China . 當(dāng)表示“第二，第三”等意思時(shí)，經(jīng)常在最高級(jí)的前面加s

13、econd, third,等詞。 9.Its our largest machine in our factory. 當(dāng)最高級(jí)前有物主代詞修飾時(shí)，其前不加定冠詞the. 3、表示在兩者之間相差的程度用“具體數(shù)字+比較級(jí)+ than+ 比較對(duì)象”。eg: The road is two metres longer than that one . 這條公路比那條公路長(zhǎng)兩米。 This pencil is four inches shorter than that one . 這只鉛筆比那只鉛筆短四英寸。5、形容詞原級(jí)的比較。 形容詞的原級(jí)與asas連用表示肯定意思，是“和一樣”的意思；與not a

14、s/ so as連用表示否定意義，是“不如”或“不一樣”的含義。She is as pretty as her mother.The book is as new as that one.The story is as interesting as that one.The question is not as / so difficult as that one.My bike is not as / so good as yours.6、形容詞比較級(jí)的修飾。比較級(jí)前面可以用even(更加)，much(得多)，far(得多)，a little(一點(diǎn))，a bit(一點(diǎn))，a lot(大量)，

15、still(還，還要)等詞語表示不定程度或數(shù)量。eg: I am even less lucky. She is far better than me at writing. This pen is much better than that one. Tom is a little shorter than his friend Jim.8、the + 形容詞的比較級(jí) + + the +形容詞的比較級(jí) 表示“ 越，就越”The more you eat, the fatter you will be.The harder you study, the more you will get.Th

16、e smaller the house is, the less it will cost.The sooner, the better.9、the + 形容詞比較級(jí) + of 短語 兩者中比較的一個(gè) 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 the more beautiful of the the two picture.10.表示“是的幾倍”，用“倍數(shù)+as+原級(jí)+as”結(jié)構(gòu)，或者“倍數(shù)+比較級(jí)+than

17、”結(jié)構(gòu)。 eg: This classroom is three times as big as that one. This classroom is twice bigger than that one.比較級(jí)和最高級(jí)的相互轉(zhuǎn)化 A is 比較級(jí) than any other 單數(shù)=A is 比較級(jí) than the other 復(fù)數(shù)=A is the 最高級(jí)eg. Shanghai is bigger than any other city in China. = Shanghai is bigger than the other cities in China. =Shanghai i

18、s the biggest city in China. 比較：Shanghai is bigger than any city in Japan.形容詞和副詞比較級(jí)和最高級(jí)的20個(gè)雷區(qū)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 that basket.The Changjiang River is longer than an

19、y 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? Which do you like better, apples, bananas or pears?_m

20、y sisters_that_those_any other_any_elder_older_more and more_big_the tallest_(the) bestCorrect 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 is our the busiest day.15. I think math is very more difficult than Chines

21、e.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._heavier_of_the taller_our_much _many_as_(did)_longest _further用括號(hào)內(nèi)形容詞或副詞的適當(dāng)形式

22、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, the _(thin) you are.5. The Beijing Library is one of _(big) libraries in China.6. The street is

23、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 _(expensive) than the other two. It is _(expensive) of the three.10. Which is _(difficult), English, phy

24、sics or biology?strongstrongerlessfarther/furtherlongsmallermore expensivethe most difficultmore slowlygoodthe biggestwidersmallerthe most expensivethinner合并句子，每空一詞：Lucy is 8 years old. Lily is 8 years old, too. Lucy is _ _ _ Lily.2. Danny is 15. Jenny is 12. Jenny is _ _ _ than Danny.3. Jim jumps 2

25、 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 kilometres per hour. A bike runs 50 kilometres per hour. A car runs _ _ _ _ as a bike. A car runs _ _ than a bike h

26、igher thanfarthest ofthree times as fast as old asfaster twice three years younger同義句轉(zhuǎn)換，每空一詞：1. Mike is not so/as tall as Jack. Jack is _ _ Mike.2. He is the youngest in his class. He is younger than _ _ _ in his class. He is younger than _ _ _ in his class.3. The cheetah is faster than any other an

27、imal 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 as diligent as her. I am as diligent as _ _.6. Li Ying jumped farther than Jim. Li Ying jumped farther than Jim _.tal

28、ler thanany other studentthe other students the fastestshe isdid worldsisntas漢譯英：Jack和Mike一樣高。Lily和Lucy跳得同樣遠(yuǎn)。他的英語不如我說得好。格林小姐的房間比布朗小姐的干凈得多。北京變得越來越美麗。Jack is as tall as Mike.Lily 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.Beij

29、ing 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?漢譯英：6. 你越仔細(xì)，出錯(cuò)就會(huì)越少。7. 在所有人當(dāng)中Bob跳得最遠(yuǎn)。8. 長(zhǎng)江是世界上最長(zhǎng)的河流之一。9. Jim在他班上到校最晚。10. 哪個(gè)最難，英語，物理還是數(shù)學(xué)？Follow ups(隨堂練習(xí))1、-Mr Zhou, all of the students in our group, who lives _? -I think Li Lei does. A. fat B. fa