形容词的比较级和最高级知识讲解及练习----昂立外语绝大多数形容词有三种形式:原级、比较级、最高级三种形式Ⅰ. 常见的形容词及比较级和最高级的构成（1）规则变化：①一般情况下在词尾加-er、estEg: calm---calmer calmest tall---taller tallest smart---smarter smartest②以字母e结尾的直接在词尾加-er\estEg: nice---nicer nicest fine---finer finest large---larger largest③以“辅音+y 结尾的词，变y为i，再加-er\estEg: early---earlier earliest happy---happier happiest busy---busier busiest ④一个元音字母加一个辅音字母结尾的单词，双写最后一个辅音字母，再加-er\estEg: big---bigger biggest thin---thinner thinnest hot---hotter hottest⑤多音节或部分双音节的形容词在原级前面加moreEg: popular---more popular most popular important---more important most imporant（2）特殊变化：Ⅱ. 形容词比较级的用法：表示两者（人或物）的比较。
⒈表达“A大于B”用 A … 比较级+than B①. Tom比我胖。
Tom is _____ (fat) than me.②. 他的头发比我的短。
His hair is ________(short) than _________.He has ________ (short) hair than ________.(注意比较对象的一致性)③. 英语比语文重要。
English is _______________ (important) than Chinese.④. 我来的比你晚。
I come _______ (late) than you.（副词的比较级）⒉表达“A和B一样”，用 A … as 原级as B①他和我一样高。
He is as ________ (tall) as I/me.②英语比语文重要。
English is as _______________ (important) as Chinese.③他的头发和我的头发一样长。
His hair is ________ ________ _______ mine.④他学习和你一样努力。
He works _______ hard ______ you.⒊表达“A不如B”，用A …not+as/so+原级+as+B。
①这辆车不像那辆车一样贵This car ______ _______ _______（expensive）that one.=This car is ______ _______ / than that one.=That car is ______ _______ than this one.②今天没有昨天暖和。
Today ______ _______ _______(warm) _______ yesterday.=Yesterday ______ ________ than today.③他昨天来得没有我早。
He _________ come ________ (early)as I (did) yesterday.=He came _________ than I yesterday.(同级和比较级的同义句转换)4．比较级前可用much / a lot / far(… 得多)，a little（稍微）, even（甚至）等表示程度.He is much ___________( well) today. It’s much ____________ (expensive).He is very __________ (well) today. It’s too ___________ (expensive)5.在两者之间选择哪一个更……，用比较级.Which /Who…,A or B?谁跑得快些，Lucy 还是Lily？Who runs _________, Lucy or Lily?6.如果在两者之间表示“最……”时要在比较级前加the，而且还用of the two, of the pair短语：约翰是两个男孩子中较聪明的一个。
John is the cleverer of the two boys.Of the two boys, John is the cleverer.这支手表是两个中比较便宜的。
This watch is of the two.7.比较级前面可以加上表示具体数量差别的结构,表示具体“大多少”，“小多少”，“长多少”，“短多少”等。
我比他大两岁。
I am two years _________ _________ he.这个建筑比那个建筑高20米。
This building is 20 meters ________ __________that one.△“比较级+and+ 比较级”表示“越来越…”天气越来越冷了。
It’s getting ______ and _______(cold)比赛越来越有趣。
The game is (interesting)注意:多音节形容词用此句型时，要用more and more +形容词原级；而不能用more beautiful and more beautiful△ “The+ 比较级…，the+ 比较级…”表示“越…，就越…越多越好The ________, the _______.他越忙就越高兴。
______ _______he is, ______ _______he feels.△ “用twice 等表示倍数的词+ as +原级＋as…”表示甲是乙的几倍。
“用twice 等表示倍数的词+比较级than …”表示甲是乙的几倍。
这间房是那间房面积的两倍。
This room is _______ as big as that one.=This room is _______bigger than that one注意：在英语中，两倍用twice，而不用two times，三倍以上用three，four…times。
同义引申高high /tall/long etc.Ⅲ. 形容词最高级的用法：1.表示三者或三者以上（人或物）的比较,其中有一个超过其他几个。
形容词最高级前要加the，副词最高级前常省略the, 后面通常带of（in）短语来说明比较的范围（of 后的名词或代词表示与主语属同一类；in 表示时间或空间范围）。
①在我们班上他最高。
He is __________ ( tall) _____ our class.②玛丽是这三个学生中最小的。
Mary is __________ (young) ______ the three students.2. 形容词最高级的前面常有the，my等形容词性物主代词，China's名词所有格，最高级前不加theThis is ______ ______ day. 这是我最忙的一天。
Jack is ______ ______ friend. 杰克是吉姆最好的朋友The Changjiang River is ______ ______ river.长江是中国最长的河流。
3 在which…A ,B orC_? 句中，表示三者或三者以上比较Which is the biggest, the sun, the moon or the earth?太阳，月亮，地球，哪一个最大？4. 形容词最高级表示“最...之一”时，可用“one of the+最高级+复数名词”Edison was one of the greatest inventors in the world.爱迪生是世界上最为大的发明家之一。
5．“the +序数词+最高级”表示“第几个最…”；The Yellow River is the second longest river in ChinaI【Exercise】一．出下列单词的比较级1.tall___________2.quiet____________3.funny_______________4.heavy___________5.thin_____________6.big______________7.outgoing_____________8.wild______9.little_____________10.good____________11.bad_______________12.many____二、单选题1.Tina is ________ than Linda.A.shortB.more shorterC.shorterD.shortter2.This question is ________ than that one.A.easyerB.more easyC.easyD.easier3.I’m ________ younger than her.A.a fewB.a littleC.littleD.few4.My friend is the same _______ me.A.toB.asC.withD.in5.The girl is as _____________ as her mother.A.beautifulB.more beautifulC.beautifuleD.more beautifuler6.Lily is _________ of the two.A.tallerB.tallestC.the tallerD.tall7.The box is ________ heavier than that one.A.muchB.veryC.moreD.so三、同义句。
1.He is 14 years old. His friend is 12 years old.His friend is __________ __________ he.2.Our bikes are not the same as theirs.Our bikes are __________ _________ theirs.3.He is healthier than his friend.He _______ _________ ________ of the two.4.The girl is smarter than her classmates.The girl is smarter than_______ ________ ________ in her class.5.He is less popular than her.He is not _________ popular _________ her. She is _________ _______ than him. 参考答案：一．1.taller2.quieter3.funnier4.heavier5.thinner6.bigger7.more outgoing 8.wilder 9.less 10.better 11.worse 12.more二．1-5 CDBBA 6-7 CA三．1. younger than2. different from3. is the healthier4. any other student5.as as ; more popular一、Choose1．He feels _____ today than yesterday.A. tiredB. more tiredC. more tirederD. much tired2. Of the two toys, the child chose_____.A. the more expensive oneB. one most expensiveC. a least expensiveD. the most expensive of them3. The line is ____ than that one.A. more longerB. not longC. much longerD. many more longer4. The book is ____ of the two.A. thinnerB. the thinnerC. more thinnerD. the thinnest5. She looks _____ than she does.A. the more olderB. very olderC. much olderD. more older6. The garden is becoming ______.A. more beautiful and moreB. more beautiful and beautifulC. more and more beautifulD. more beautiful and beautifuler二、Fill in the blanks with the right forms:1．This bag is a little _______(heavy) than that one.2．Mr. Smith is a ________(good) teacher. He always helps us to learn math. 3．Dave is _____ (quiet) than most of the kids in his class.4．Of the two girls, I find Lucy the _______ (clever).5．Gold(黄金) is ______ (little) useful than iron(铁).6． My sister is two years _______ (old ) than I.7．Tom is ____ (outgoing) than any other boy in his class.8．The short one is _______ (expensive) than the long one.9. The _____ (cheap) bags are the not usually the best ones.10. The boy is not so ______ (interesting) as his brother.11. Dick sings _____ (well), she sings _____(well) than John, but Marysings______(well) in her class.12. She will be much ______ (happy) in her mew house.13. This dress is ______ that.(twice, as…as…, expensive)一、1----5 BACBC 6---7 CC二、 1. heavier 2. good 3. quieter 4. cleverer 5. less 6. older 7. funnier 8. more expensiveHomework:1. as interesting as2. much colder…than3. two years older4. not as scary as5. better and better6. more and more interested in。