八年级英语上形容词比较级最高级

1、形容词，副词的比较级、最高级变化规则.一般在词尾直接加er或est，例如，tall-taller-tallest，long-longer-longest2.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-nicest3.以辅音字母+y结尾的词，把y变为i，再加er或est，例如，heavy-heavier-heaviest4.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，例如，big-bigger-biggest fat thin red wet5.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

2、-more slowly-most slowly；beautiful-more beautiful-most beautiful ( tired often )二、不规则变化原级 比较级 最高级good/well better bestmany/much more mostbad/ill/badly worse worstlittle less leastold older/elder oldest/eldestfar farther/further farthest/furthest形容词，副词等级的用法一、原级的用法1.只能修饰原级的词，very，quite，so，too例如，He is_

3、to walk on.他太累了以至于不能再继续走了。My brother runs _I cant follow him.我弟弟跑得那么快以至于我跟不上他。2.原级常用的句型结构(1)“甲+动词+(倍数)+as+形容词原级+as+乙”表示“甲和乙程度相同”或“甲是乙的几倍”例如，汤姆和凯特年龄一样大。_汤姆和迈克跑得一样快。_(2)“甲+动词+not+as/so+形容词原级+as+乙”甲不如乙例如， 这个房间不如那个大。_他走路不像你那样慢。_二、比较级的用法1.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仍然例如，Less

4、on One is _ easier than Lesson Two.第一课比第二课容易得多。.汤姆看起来甚至比以前更年轻。_.这辆火车比那辆跑地快得多。_She drives_more carefully than her husband.她开车仍然比她丈夫还认真。2.比较级常用的句型结构(1)“甲+动词+(倍数)+形容词比较级+than+乙”表示“甲比乙”或“甲比乙几倍”例如，汤姆比凯特高。_这个房间比那个大三倍。_我今天早晨起床比我妈妈还早。_(2)“甲+be+形容词比较级+than+any other+单数名词(+介词短语)”表示“甲比同一范围的任何一个人/物都”，含义是“甲最”。个体

5、与整体相比，不能包括个体，常用“any other + 单数名词”来进行比较。eg.1）Betty(是个体) is cleverer than any student in her class(是体).( )正：Betty is cleverer than any other student in her class.=Betty is cleverer than anybody else in her class.=Betty is the cleverest in her class. 2)China is bigger than any country in Africa. 中国比非洲的

6、任何一个国家都大。 3) China is bigger than any other country in Asia. 中国比亚洲的任何一个其他国家大。 迈克比他们班上任何一个其他的同学到_迈克在他们班到校最早。_注意：Mike gets to school earlier than_ student in Toms class.迈克比汤姆班上任何一个学生到校都早。(3)“甲+be+ the+形容词比较级+of the two+”表示“甲是两者中较的”。例如，Look at the two boys. My brother is _看那两个男孩，我弟弟是两个当中较高的那个。(4)“比较级+a

7、nd+比较级”表示“越来越”。例如，He is getting_. 他变得越来越高了。The flowers are _. 花儿越来越漂亮。He does his homework_.他做作业越来越认真了。(5)“the+比较级，the+比较级”表示“越，越”。例如，The more careful you are，the fewer mistakes youll make.你越认真，犯的错误越少。你学习越努力，你的成绩就会越好。_(6)“特殊疑问词+动词+形容词比较级，甲or乙？”例如，Which is bigger，the earth or the moon？哪一个大，地球还是月球？谁画得

8、比较好，詹妮还是丹尼？_7）.比较级必须是同类事物相比（即as; than后的词应与主语是同类事物），注意常用漏的代词有：that; those; one; oneseg. 1)The apples in this basket are redder than in that basket. 2)This knife isnt so new as that.3)我们的教室比李丽的大。_ 3.最高级常用句型结构(1)“主语+动词+the+形容词最高级+单数名词+in/of短语”表示“是中最的”。例如，Tom is the tallest in his class./of all the stud

9、ents.汤姆是他们班上/所有学生当中最高的。这个苹果是五个当中最大的。_我是我们班跳得最远的。_(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”。例如，北京是中国最大城市之一。_(3)“特殊疑问词+be+the+最高级+甲，乙，or丙？”用于三者以上的比较。例如，Which country is the largest，China，Brazil or Canada？哪一个国家最大，中国，巴西还是加拿大？你最喜欢哪一个季节，春天，夏天还是秋天_（4）.表示“第二、第三”时，可在最高级前加“second , third, ”（但“第一”习惯上

10、不能用first通常用最高级来表示）长江是世界第三长河_巩固练习1. My _ sister is two years _ than I.A. older; older B. elder; elder C. older; elder D. elder; older2. Can you do your work with _ money and _ people?A. less; few B. less; fewer C. little; less D. few; less3. I didnt know which was _, so I took them both.A. good B. be

11、tter C. best D. the best4. There was _ house in front of the hill.A. a wooden old fine B. an old wooden fine C. a fine old wooden D. an old fine wooden5. The population （人口）eijing is larger than _ Shengzhen.A. / B. the one in C. that of D. those of6. What an _ story! Im _ in it.A. interested; intere

12、sting B. interesting; interestedC. interested; interested D. interesting; interesting7. The jacket is _ nice, but its _ more expensive than that one.A. much; much B. very; very C. much; very D. very; much7. After tunning She is too tired to walk _.A. farther B. further C. farthest D. furthest8.Do yo

13、u think the chicken tastes _?-She cooked it _, I think.A. good; good B. well; well C. well; good D. good; well9. Li Lei is running _ now.A. more and more slowly B. slowier and slowierC. slowly and slowly D. more slowly and more slowly10.Lin Tao speaks English very well, and _.A. so does his friend B

14、. his friend does so C. so did his friend D. so he did11.He worked _ quietly _ no one knew he was there.A. so; as B. so; that C. very; that D. too; to12.You must be more _, Jim. Look, you didnt write _.A. carefully; careful B. careful; carefully C. careful; careful D. carefully; carefully13.The twin

15、s are together most of the time. So they never fell _.A. lonely B. alone C. happily D. friendly14.New York is _ in the United States.A. larger than any city B. larger than any other cityC. bigger than any cities D. biggest of all the cities15.This street is much _ than that one. A. straight B. strai

16、ghter C. straightest D. more straighter16.Of the two pencil-boxes, the boy chose _ expensive one. A. less B. the least C. the less D. the most17.Would you please say it _? I still cant follow you. A. more slow B. much slow C. more slowly D. much slowly18.This kind of skirt looks _ and sells _. A. ni

17、ce; well B. nice; good C. well; well D. good; nice19. How was the weather yesterday?-It was terrible. It rained _. People could _ go out. A. hardly; hardly B. hardly; hard C. hard; hard D. hard; hardly20.He hurt her so _ that she cried. A. bad B. badly C. hardly D. worse21.The girl is _, but her younger sister is even _. A. tallest; taller B. taller; tallest C. tall; tallest D. tall; taller22.This chair is not _ for him to _. A. strong enough; sit B. enough strong; sit C. enough strong; sit in D. strong enough