形容词的比较级最高级变化规则及其应用
(一)形容词比较级、最高级的规则变化 1.大多数形容词一般在词尾直接加-er,-est , 如:short—shorter—shortest;tall—taller—tallest; 2.以字母e 结尾的形容词加-r,-st ,如:nice—nicer—nicest late—later—latest; large—larger—largest 3.以辅音字母加y结尾的形容词变y为i再加 --er ,--est, 如:early—earlier—earliest heavy— heavier—heaviest; busy—busier—busiest 4.以重读闭音节以一个元音字母和一个辅音字母结尾,应双写末尾的辅音字母再加-er,-est, 如: big—bigger—biggest; fat—fatter—fattest; hot—hotter—hottest; thin—thinner—thinnest; red—redder—reddest
(二) 形容词比较级和最高级的不规则变化 1.不规则的形容词的比较级最高级: 如:
many/much—more—most good/well—better—best bad/badly—worse—worst little—less—least ffar—farther—farthest 2.多音节的形容词的比较级最高级加-more,-most, 如;beautiful—more beautiful—most beautiful interesting—more interesting—most interesting popular—more popular—most popular
5 表示两者进行比较时用形容词比较级,其结构为 “被比较的对象 ﹢be + adj比较级 +than +比较对象”。 如:Li Ping's room is bigger than mine. 形容词最高级在句子中的运用:三者(事物或人)或三者以上之间的比较用最高级,其结构为“被比较的对象 ﹢be +the﹢ adj最高级 +比较的范围”。 如:Li Lei is the tallest in our class 表示A与B在某一方面程度相同或不同时用形容词原级。 (1)肯定句中的结构:“A(被比较的对象)﹢be +as+形容词原级+as+B(比较对象)”, 如:English is as interesting as physics. Xiao Ping is as tall as Tom.
(2)否定句中的结构:“A(被比较的对象)﹢be +as /so+形容词原级+as+B(比较对象)”, 如:This desk isn't as new as that one. He is not so careful as Alice. (3)表示“A是B的„„倍”时,用“A(被比较的对象) ﹢be +倍数+as+形容词原级+as+B(比较对象)”结构。(一倍:once;二倍:twice; 三倍以上:数字+times 如:Our room is three times as big as theirs. The house is twice as long as that one.
知识拓展: 1.有表示程度的副词a little, a bit, a lot, much, even, still, far, rather, any等修饰时, 用形容词比较级。 如:It is much cooler today than before. 2.表示两者之间进行选择“哪一个更„„”时, 用句型“Which/Who is +形容词比较级,A or B?”表示。 如:Who is taller, Tom or Jim? Which skirt is more beautiful ,the yellow one or the pink one? 3.表示“比„„”时,用“倍数+比较级+than 如:I am three years older than you.我比你大三岁。 4.表示“两者之间最„„一个(of the two )”时,常用“the +比较级”结构。 如:Lucy is the taller of the twins.
5.表示“越来越„„”,用比较级重叠结构,即“比较级+and+比较级”, 多音节词和部分双音节形容词时用“more and more+形容词原级”。
7 如:It's getting warmer and warmer in spring. Our hometown is becoming more and more beautiful 6.表示“越„„就越„„”时,用“the+比较级,the +比较级“结构如:: The cooler the weather is, the better I feel. 天气越凉爽我感觉越舒服。
自主检测
一、写出下列形容词的比较级最高级
old__ young___ tall long________ short________ strong________ big_______ _small______ _fat_________ thin__________ heavy______ light________ nice_________ good_________ beautiful_________________ _low__________ high_________ late______________
二、根据句意填入单词的正确形式: 1. My sister is two years __________(old)than me. 2. Nick is as ________(fat) as Jim. 3. Is your sister __________(young) than you? Yes, she is. 4. Who is ___________(thin),you or He Lan? He Lan is. 5. Whose pencil-box is
_________(big),yours or hers? Hers is. 6. Mary’s hair is as __________(long) as Lucy’s.
7.Jack ____ (be) ________ (tall) than any other boys in his
8 class. 8.Li Fang is not as _________ (tall) as the other girls. 9.My eyes are __________(big) in my family. 10.Which is ___________(heavy),the dog 、the elephant or the pig?
三、翻译句子: 1、谁比Tom年纪大?是你。 ________ is _________than Tom? ________ are 2、谁的尺子更长,他的还是她的?我想是她的。 _________ ruler is _________,______or________? ________is,I think. 3、谁的梨果更重,你的姐姐的还是你的弟弟的? 我的弟弟的。 _________pears ______ ________,your _______ or your _______? My ____________ ___________. 4、你和你的爸爸一样高吗?是的。 _________ ________as _________as your father?Yes,I am. 5、她和她的朋友Lucy一样年轻。 She _______ as __________ as ________ ________ Lucy
6.这条连衣裙在所有裙子中是最长的 The dress is _____(long) one of all 7. I'm taller than Mom .(该成用原级的比较) I'm _________ as ________ as Mom .
四.单项选择
( )1. She's already ___ her brother. A. so tall than B. as tall than C. so tall as D. as tall as
( )2. It is said that it is ___ today than yesterday. Shall we go skitinging this afternoon? A. the hottest B. hot C. hottest D. hotter
( )3. Shanghai is bigger than ___ in Japan. A. any other city B. all the other cities C. any city D. the other cities
( )4. Each of us was too tired to go any ___ . A. far B. farer C. much farther
D. farther
( ) 5. Now it is ___ here, but it is even ___ in Sanya A. hotter; hottest B. hot; hottest C. hotter; hot D. hot; hotter
( )6. This box is___ that one. A. heavy than B. so heavy than C. heavier as D. as heavy as
( )7. When we speak to people, we should be ' . A. as polite as possible B. as polite as possibly C. as politely as possible D. as politely as possibly
( )8. This book is____ that one, but____ than that one. A. as difficult as; expensive B. as more difficult as; more expensive C. as difficult as; more expensive D. more difficult as; as expensive
( )9. I think the story is not so ___ as that one. A. interesting B. interested C. more interesting D. most interesting
( )10. His father began to work____ he was seven years old. A. as old as B. as early as C. since D. While
( )11. This pencil is___ than that one. ^. longest B. long C. longer D. as long
( ) 12.My mother is no ___ young. A. shorter B. longer C. little D. few
( ) 13.These children are ____ this year than they were last year. A. more tall B. more taller
C. very taller D. much taller
( ) 14.It was very hot yesterday, but it is___ today. A. even hotter B. more hotter C. much more hot D. much hotter
( )15. Mrs Black has got____ instead of getting any better. A. more bad B. a little worse C. much badly D. a lot of worse
形容词的比较级最高级变化规则及其应用
(一)形容词比较级、最高级的规则变化 1.大多数形容词一般在词尾直接加-er,-est , 如:short—shorter—shortest;tall—taller—tallest; 2.以字母e 结尾的形容词加-r,-st ,如:nice—nicer—nicest late—later—latest; large—larger—largest 3.以辅音字母加y结尾的形容词变y为i再加 --er ,--est, 如:early—earlier—earliest heavy— heavier—heaviest; busy—busier—busiest 4.以重读闭音节以一个元音字母和一个辅音字母结尾,应双写末尾的辅音字母再加-er,-est, 如: big—bigger—biggest; fat—fatter—fattest; hot—hotter—hottest; thin—thinner—thinnest; red—redder—reddest
(二) 形容词比较级和最高级的不规则变化 1.不规则的形容词的比较级最高级: 如:
many/much—more—most good/well—better—best bad/badly—worse—worst little—less—least ffar—farther—farthest 2.多音节的形容词的比较级最高级加-more,-most, 如;beautiful—more beautiful—most beautiful interesting—more interesting—most interesting popular—more popular—most popular
5 表示两者进行比较时用形容词比较级,其结构为 “被比较的对象 ﹢be + adj比较级 +than +比较对象”。 如:Li Ping's room is bigger than mine. 形容词最高级在句子中的运用:三者(事物或人)或三者以上之间的比较用最高级,其结构为“被比较的对象 ﹢be +the﹢ adj最高级 +比较的范围”。 如:Li Lei is the tallest in our class 表示A与B在某一方面程度相同或不同时用形容词原级。 (1)肯定句中的结构:“A(被比较的对象)﹢be +as+形容词原级+as+B(比较对象)”, 如:English is as interesting as physics. Xiao Ping is as tall as Tom.
(2)否定句中的结构:“A(被比较的对象)﹢be +as /so+形容词原级+as+B(比较对象)”, 如:This desk isn't as new as that one. He is not so careful as Alice. (3)表示“A是B的„„倍”时,用“A(被比较的对象) ﹢be +倍数+as+形容词原级+as+B(比较对象)”结构。(一倍:once;二倍:twice; 三倍以上:数字+times 如:Our room is three times as big as theirs. The house is twice as long as that one.
知识拓展: 1.有表示程度的副词a little, a bit, a lot, much, even, still, far, rather, any等修饰时, 用形容词比较级。 如:It is much cooler today than before. 2.表示两者之间进行选择“哪一个更„„”时, 用句型“Which/Who is +形容词比较级,A or B?”表示。 如:Who is taller, Tom or Jim? Which skirt is more beautiful ,the yellow one or the pink one? 3.表示“比„„”时,用“倍数+比较级+than 如:I am three years older than you.我比你大三岁。 4.表示“两者之间最„„一个(of the two )”时,常用“the +比较级”结构。 如:Lucy is the taller of the twins.
5.表示“越来越„„”,用比较级重叠结构,即“比较级+and+比较级”, 多音节词和部分双音节形容词时用“more and more+形容词原级”。
7 如:It's getting warmer and warmer in spring. Our hometown is becoming more and more beautiful 6.表示“越„„就越„„”时,用“the+比较级,the +比较级“结构如:: The cooler the weather is, the better I feel. 天气越凉爽我感觉越舒服。
自主检测
一、写出下列形容词的比较级最高级
old__ young___ tall long________ short________ strong________ big_______ _small______ _fat_________ thin__________ heavy______ light________ nice_________ good_________ beautiful_________________ _low__________ high_________ late______________
二、根据句意填入单词的正确形式: 1. My sister is two years __________(old)than me. 2. Nick is as ________(fat) as Jim. 3. Is your sister __________(young) than you? Yes, she is. 4. Who is ___________(thin),you or He Lan? He Lan is. 5. Whose pencil-box is
_________(big),yours or hers? Hers is. 6. Mary’s hair is as __________(long) as Lucy’s.
7.Jack ____ (be) ________ (tall) than any other boys in his
8 class. 8.Li Fang is not as _________ (tall) as the other girls. 9.My eyes are __________(big) in my family. 10.Which is ___________(heavy),the dog 、the elephant or the pig?
三、翻译句子: 1、谁比Tom年纪大?是你。 ________ is _________than Tom? ________ are 2、谁的尺子更长,他的还是她的?我想是她的。 _________ ruler is _________,______or________? ________is,I think. 3、谁的梨果更重,你的姐姐的还是你的弟弟的? 我的弟弟的。 _________pears ______ ________,your _______ or your _______? My ____________ ___________. 4、你和你的爸爸一样高吗?是的。 _________ ________as _________as your father?Yes,I am. 5、她和她的朋友Lucy一样年轻。 She _______ as __________ as ________ ________ Lucy
6.这条连衣裙在所有裙子中是最长的 The dress is _____(long) one of all 7. I'm taller than Mom .(该成用原级的比较) I'm _________ as ________ as Mom .
四.单项选择
( )1. She's already ___ her brother. A. so tall than B. as tall than C. so tall as D. as tall as
( )2. It is said that it is ___ today than yesterday. Shall we go skitinging this afternoon? A. the hottest B. hot C. hottest D. hotter
( )3. Shanghai is bigger than ___ in Japan. A. any other city B. all the other cities C. any city D. the other cities
( )4. Each of us was too tired to go any ___ . A. far B. farer C. much farther
D. farther
( ) 5. Now it is ___ here, but it is even ___ in Sanya A. hotter; hottest B. hot; hottest C. hotter; hot D. hot; hotter
( )6. This box is___ that one. A. heavy than B. so heavy than C. heavier as D. as heavy as
( )7. When we speak to people, we should be ' . A. as polite as possible B. as polite as possibly C. as politely as possible D. as politely as possibly
( )8. This book is____ that one, but____ than that one. A. as difficult as; expensive B. as more difficult as; more expensive C. as difficult as; more expensive D. more difficult as; as expensive
( )9. I think the story is not so ___ as that one. A. interesting B. interested C. more interesting D. most interesting
( )10. His father began to work____ he was seven years old. A. as old as B. as early as C. since D. While
( )11. This pencil is___ than that one. ^. longest B. long C. longer D. as long
( ) 12.My mother is no ___ young. A. shorter B. longer C. little D. few
( ) 13.These children are ____ this year than they were last year. A. more tall B. more taller
C. very taller D. much taller
( ) 14.It was very hot yesterday, but it is___ today. A. even hotter B. more hotter C. much more hot D. much hotter
( )15. Mrs Black has got____ instead of getting any better. A. more bad B. a little worse C. much badly D. a lot of worse