（一）原级句型：
1. A is as+原级+ as+ B 表示A 与B一样…eg: He is as tall as me. 2.A is not as/so +原级+ as B表示A不如B…eg:He is not as tall as me. 3.只能修饰原级的词，very，quite，so，too，so, enough, pretty等 例如，He is too tired to walk on.他太累了以至于不能再继续走了。
（二）比较级句型
? 可以修饰比较级的词，much，a lot，far，…的多a little，a bit，…一点儿
even甚至，still仍然
Eg. Lesson One is much easier than Lesson Two.第一课比第二课容易得多。 Tom looks even younger than before.汤姆甚至比以前更年轻。 1.当句中有than 时则用比较级。 eg: He is fatter than me.
2．当句子中的比较对象为两者时用比较级：“特殊疑问词+be+形容词比较级，A or B？”
eg: Which is bigger，the earth or the moon？哪一个大，地球还是月球？ 3. “比较级+and+比较级”表示“越来越……”。
eg.The flowers are more and more beautiful.花儿越来越漂亮。
? 加more构成比较级的形容词则用more and more +形容词表示越来越… eg: English is more and more important.
4. “the+比较级，the+比较级”表示“越……，越……”。 Eg. The more careful you are，the fewer mistakes you’ll make.
5.“A+be+the+形容词比较级+of the two+……”表示“A是两者中较……的”。 Eg.Look at the two boys. My brother is the taller of the two. 6.A+be+形容词比较级+than+any other+单数名词(+介词短语)” 表示“A比同一范围的任何一个人/物都……”，含义是“A最……”。 Eg. The Yangtze River is longer than any other river in China.
=The Yangtze River is the longest river in China.
（三）最高级常用句型结构
1．“主语+be+the+形容词最高级+单数名词+in/of短语”表示“……是……中
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最……的”。
eg：Tom is the tallest in his class./of all the students.
This apple is the biggest of the five.
2．“主语+be+one of the+形容词最高级+复数名词+in/of短语”表示“……是……中最……之一”。
Eg：Beijing is one of the largest cities in China.
3．“特殊疑问词+be+the+最高级+A，B，or C？”用于三者以上 eg Which is the biggest? The moon,the sun or ths earth?
4.”the +序数词+最高级+单数名词+范围”。表示…是第几大（…） eg: The Yellow River is the second longest river in China .
【注意】形容词最高级之前要加the,但当最高级之前有形容词性物主代词或名词所有格时则不用加the
eg: He is the best student in my class. He is my best friend.
（四）形容词副词的规则与不规则变化 ? 规则变化
1.一般在词尾直接加er或est，例如，tall-taller-tallest，long-longer-longest 2.以不发音的字母e结尾的单词在词尾直接加r或st，例如，nice-nicer-nicest 3.以辅音字母+y结尾的词，把y变为i，再加er或est，例如，
heavy-heavier-heaviest
4.重读闭音节，末尾只有一个辅音字母，双写这个辅音字母，再加er或est，
eg. big-bigger-biggest
5.部分双音节词和多音节词分别在原级前加more构成比较级和most构成最高级，例如，slowly-more slowly-most slowly；beautiful- more beautiful-most beautiful
? 不规则变化
原级 good/well bad/badly/ill many/much 比较级 better worse more 最高级 best worst most 6
little less least far farther farthest further further old older Oldest(无血缘关系的) elder Eldest（有血缘关系）
五、课堂练习
I．用所给词的适当形式填空。
1. The white shirts are as _____________ (cheap) as the yellow ones. 2. Which one is ______________ (popular), football or basketball? 3. The fifth orange is ______________ (big) of all. Give it to the young boy. 4. Jason’s has _____________ (good) quality than Trendy Teens. 5. Which city is _________________ (beautiful), Beijing, Shanghai or Fuzhou? II.单项选择题
1. Pop music is ______music in the world.
A .best of B .more better C .good of D. the best
2. Of all the students, Angie is the __________but studies __________than others. A .shorter, best B .shortest, better C .shortest, best D .shorter, better 3. As students, we must work hard to make our country _______.
A .rich and stronger B .richer and stronger C .richer and stronger D .rich and strong 4. John often talks _____ but does _____, so all of us think he is a good boy. A .little, many B .few, fast C .less, more D. more, less 5. The boy didn’t run ____ to catch the bus.
A .fast enough B .enough fast C .quick enough C .enough quick 6. I’m sure you can jump as ____as Jim if you wear your sports shoes. A .slow B .slower C .higher D .high
7. I don’t think this question is ____than that one .It is ____of these questions. A. easier, more difficult B .easier, the most difficult C. easiest, more difficult D .easier, much more difficult 8. Mr Zhang is one of ____in our school.
A .the more popular teachers B .most popular teachers C .the most popular teachers D .the most popular teacher
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（一） 写出下列形容词与副词的比较级与最高级形式： long_____ ______ wide ______ _______ fat ____ _____ heavy____ ______ slow ______ _______ few____ _____ brightly______ -_____ bably _____ _______ far____ _____ quickly _____ ______ happy_____ -______ unhappy________ (二)用所给词的正确形式填空：
1. Of the two girls, I find Lucy the _______ (clever). 2. Gold(黄金) is ______ (little) useful than iron(铁). 3. My sister is two years _______ (old ) than I.
4. John’s parents have four daughters, and she is the _____ (young) child. 5. The _____ (cheap) bags are the not usually the best ones. 6. The short one is by far _______ expensive of the five. 7. The boy is not so ______ (interesting) as his brother.
8. Dick sings _____ (well), she sings ______(well) than John, but Mary sings______(well) in her class.
9. She will be much ______ (happy) in her mew house. 10. This dress is ______ that.(twice, as…as…, expensive) 英语语法之形容词比较级和最高级练习题 1. This box is___ that one. A. heavy than B. so heavy than C. heavier as D. as heavy as
2 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 3 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
4 I think the story is not so ___ as that one.
A. interesting B. interested C. more interesting D. most interesting 5 His father began to work____ he was seven years old. A. as old as B. as early as C. since D. while 2
1. I think science is _ than Japanese.
A. much important B. important C. much more important D. more much important
( ) 2 This pencil is___ than that one. ^. longest B. long C. longer D. as long ( ) 3 My mother is no ___ young. A. shorter B. longer C. little D. few
( ) 4 These children are ____ this year than they were last year. A. more tall B. more taller C. very taller D. much taller ( ) 5 It was very hot yesterday, but it is___ today.
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