形容词比较级和最高级的构成

形容词比较级和最高级的构成1. 规则变化单音节词和少数多音节词：○1一般直接加-er, est long → long er→ longe st tall → tall er→ tall est○2以不发音的e结尾时加-r, -st late → late r→ late st large → large r→ large st○3以辅音字母加y 结尾时把y 变成i，再加-er, -est . easy → eas ier→ eas iest happy → happ ier→ happ iest happily → happ ilier→ happ iliest○4以重度闭音节结尾且末尾只有一个辅音字母时，双写最后的辅音字母，再加-er, -est.big → big ger→ big gest hot → hot ter → hot test○5多音节词和部分双音节词，在原级前加more, the most.careful →more careful →most careful beautiful →more beautiful →most beautiful2. 不规则变化重点句型：原级比较1）肯定句：A….. +as +形容词原级+as +BEnglish is as interesting as Chinese.This book is as thick as that one.2）否定句：A…..+as/ so+形容词原级+ as + BTom is not so tall as Tim.This village is not as big as that one.比较级1．表示两者进行比较时，A … + 比较级+ than + B.Lily’s room is bigger than mine.My classroom is smaller than hers.2．有表示程度的副词a little , a bit , a great deal , a lot ,much, even ,still, far, rather, any 等修饰形容词时,It’s much colder today than yesterday.This bottle is a little bigger than that one.为了避免重复，在从句中常用the one ,that , those 等词代替前面出现过的词，其中the one 代替可数名词单数形式，the ones 和those 代替可数名词的复数形式，that 代替不可数名词。

The weather of Tianjin is colder than that of Guangzhou in winter.The cars made in Germany is better than those made in Japan.3．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?”Who is the taller, Liming or Wangtao?Which one is the longer, the pen or the pencil?4. 表示“越来越……”，用比较级的重叠结构，即“比较级+and + 比较级”，当形容词为多音节词或部分双音节词时，用“more and more + 形容词原级”。

It’s getting warmer and warmer in spring.It’s colder and colder in winter.5. 表示“越….，就越….”时，用“the +比较级，the +比较级”结构The more, the better.The more you eat, the fatter you will be.最高级1. 表示三者或三者以上的人或物的比较，最高级前必须加定冠词the, 句末常跟in/of短语来表示围。

Shanghai is the biggest city in China.Tim is the tallest student in my classroom.2. 表示三者或三者以上的人或物进行选择时，用“Which/Who is the +最高级，A，B or C?”Which city is the most beautiful, Beijing, Shanghai or Fuzhou?Who is the best student, Lily, Lucy or Betty?3. 表示最….. 的….之一时，用“one of the +形容词最高级”结构，该形容词后面的名词要用复数形式。

Zhou Jielun is one of the most popular singers.Gongli is one of the most beautiful actresses in China.4. 形容词最高级前面可以加序数词，表示第几最…..The Yellow River is the second longest river in China.5. 形容词最高级前可以有物主代词、指示代词、名词所有格等修饰，此时不能再用定冠词。

This is our best lesson today.Friday is my busiest day in a week.6. 形容词比较级结构可以表示最高级含义。

Li Lei is the tallest student in his class(雷是他班上最高的同学)=Li Lei is taller than any other student in his class.=Li Lei is taller than the other students in his class.=Li Lei is taller than anyone else in his class.=No one is as tall as Li Lei in his class.=No one is taller than Li Lei in his class.= Li Lei is taller than any of the other students in his class.=Li Lei is taller than the rest of students in his class.单项选择（）1. A pig is __ than a dog.A. much heavyB. more heavier C much heavier D. more heavy（）2.－－Which is __ season in Beijing?－－I think it’s spring.A. goodB. wellC. bestD. the best（）. The city is becoming ______.A. more beautiful and moreB. more beautiful and beautifulC. more and more beautifulD. more beautiful and beautifuler（）4. Which does Alice like _____ , Chinese or Art?A. wellB. bestC. betterD. much（）5. The Changjiang River is one of ____ in the world.A. the longest riverB. longest riversC. the longest riversD. longer rivers （）6. LiMing speaks Chinese _____ better than me.A. veryB. moreC. a lot ofD. much（）7.There are ____ boys in Class Two than in Class Four.A. moreB. manyC. mostD. best（）8. Who has _____ oranges now, Jim, Lily or Lucy?A. muchB. biggestC. betterD. the most（）9. Mother is _____ in my family.A. busyB. busierC. the busiestD. more（）10. No one is _____ Lucy in the class.A. so tallest asB. as taller asC. so high asD. as tall as用适当形式填空：1. Yingtian is not as ___________(tall) asYongxian.2. Which is ____________(heavy), a hen or a chicken?3. -- How__________ (tall) is Sally?--She's 1.55 metres________(tall). What about Xiaoling?-- She's only 1.40 metres ________ (tall). She is much ________(short) than Sally. She is also the ___________ (short) girl in the class.4. He is _______ (bad) at learning maths. He is much _______ (bad) at Chinese and he is the _________ (bad) at English.5. An orange ia a little ______ (big) than an apple, but much ________ (small) than a watermelon.6. Miss Chen is __________ _________than Mr. Wang. (popular)7. A rose ________ ________ __________ ________ a weed(野草). (beautiful)8. Good health is _______ _______ ________thing in our life. (important)9. He is ________than any other boy in the class.（clever）10. Where is the ________bus-stop? (near)11. Tom drives much ________ ________than John. (careful)12. English is one of __ (important) _________（科目）in our school.13. Who’s the third (heavy) in your class?14. You speak English much(well) than before.15. (hard) you work, (good) grades you’ll get.16. He’s (funny) person that I have seen.【巩固练习】( ) 1. -Remember this, children.____ careful you are, ______mistakes you will make.-We know, Mr. Li.A. The more; the moreB. The fewer; the moreC. The more; the fewerD. The less; the less( ) 2. - Mum, I was the first to reach the top of the mountain.- Good job, Jack! I'm____ of you.A. carefulB. proudC. tiredD. afraid( ) 3. -It's one of the ____ things in the world to stay with friends.-I agree. It always makes us relaxed.A. worstB. happiestC. busiestD. hardest( ) 4. -What does your brother look like?-He is _ .A. fineB. nice and friendlyC. goodD. tall and handsome ( ) 5. It's really _____that a tortoise can______ 150 years old.A. amazed; live toB. amazed; live up toC. amazing; live upD. amazing; live to( ) 6. In a green school, everyone agrees to be _______ about the environment.A. nervousB. carefulC. honestD. rude( ) 7. -Dad, would you please drive ______ ?- No hurry. We have enough time before the plane takes off.A. fasterB. more slowlyC. more carefullyD.slowier( ) 8. Lanzhou is the only capital city that the Yellow River, the second ____ river in China, passes through.A. longB. longestC. longerD. length( ) 9. Fishing with Dad was so ______for little Sam that he almost fell asleep.A. excitedB. excitingC. boredD. boring( ) 10. -Peter is_____ than you, right?-Yes, but he runs ___ in our class.A. heavier; fastestB. heavy; the fastestC. heavier; fasterD. heavy; faster语法选择It was Saturday yesterday. My classmates and __1__ went to visit the old people’s home. It was quite far away from our school, so we went there by __2__ bus.After forty minutes we __3__ there. When the old people saw __4__, they were excited. We did a lot of things that day. First, we cleaned __5__ houses. It took us the whole morning __6__ the cleaning. And then we cooked and had lunch __7__ them.In the afternoon we had a party. Some of us sang and danced for the old people. Some told them funny stories. At last, we talked with each other __8__ many things. We were really happy that we could make these old people __9__.We were very tired when we left. __10__ we thought it was a great time for all of us. We felt that we were members of a big family.1. A. I B. my C. me D. mine2. A. a B. an C. the D./3. A. get B. gets C. are getting D. got4. A. ourselves B. our C. us D. we5. A. its B. our C. your D. their6. A. doing B. does C. do D. to do7. A. for B. with C. by D. to8. A. of B. on C. about D. into9. A. to laugh B. laugh C. laughing D. laughed10. A. And B. Or C. Then D. But完型填空London is such a wonderful city. It is very large. The River Thames runs l the city from west to east. So the city has two parts. They 2 the south and the north. In the north, there are important buildings, shops, big parks and other 3 places.The weather in London is good. In winter it is not very cold and in summer it is not very hot 4 the city is near to the sea. People say that London is a foggy city and it often rains. It is true. Last year, when I 5 in London, I saw one of the 6 fogs in years. I could hardly see my hands in front of my face. Cars and buses moved along with their lights on. When evening came, the weather 7 even worse. The fog was as thick as milk. All the buses 8 . I happened to have 9 important meeting on the other side of the town, but it was impossible 10 find a car. I had to get there on foot.( ) 1. A. across B. through C. along D. in( ) 2. A. is B. was C. were D. are( ) 3. A. interesting B. interested C. interest D. interests ( ) 4. A. so B. but C. and D. because ( ) 5. A. is B. was C. were D. am( ) 6. A. thicker B. thickest C. most thick D. thick ( ) 7. A. is getting B. gets C. get D. got( ) 8. A. stops B. were stopping C. stopped D. stop( ) 9. A. an B. a C. the D. /( ) 10. A. for B. to C. in D. of阅读理解Australia is the biggest island country in the world. It is in the southern part of the earth. So when Australia has a hot summer there, we have a cold winter here.Australia has a large area, but it has only a population of over 17,000,000.Canberra is the capital of Australia. But to visit the world-famous Opera House, you must go to Sydney. Australia is a farming country. People call it "a country on the sheep's back". There, you can find lots of sheep and kangaroos.Alice Spring and Ayers Rock are two interesting places in the centre of Australia. Many people like to visit them. Ayers Rock is the biggest rock on Earth. It is 3487 metres high, and you may not believe that it changes colour in the sunlight if you don’t see it yourself.So, if you go traveling around Australia, there will be lots of things to see and lots of places to visit.( ) 1. Australia is a country with __________ .A. lots of populationB. lots of rocksC. a large area and a large population.D. a large area and a small population( ) 2. People call Australia "A country on the sheep's back", because ________.A. Australians stand on the sheep’s backB. there are lots of sheep in AustraliaC. Australia is a big countryD. there are lots of kangaroos in that country( ) 3. When we are in summer, Australians are in _______.A. springB. summerC. autumnD. winter ( ) 4. Ayers Rock is ________.A. a placeB. a foreign visitorC. the name of a rockD. an island ( ) 5. Which is NOT true in the passage?A. Australia is an island country.B. Australia is famous for kangaroos.C. All the Australians are on the sheep's back.D. You can see the world-famous Opera House in Australia.。