形容词、副词的比较级和最高级 课件-外研版英语八年级上册

1、形容词、副词比较等级比较等级分类原级比较级最高级原级1.接形容词、副词原级的词：very，too，so，quite，enough2.as.as.：和一样 (as与as之间用原级)3.not as/so.as.：不如= not so.as.注意：(so.as.只能用于否定句)They speak English just as_as native speakers do.Agood Bbetter CwellC例1比较级1.定义：比较两个人或物时，我们用形容词的比较级；表示“较”, “比更”, “更一些”，标志词为than。句型：主语动词比较级than宾语 He is shorter than

2、me.You should speak less and listen more.类别构成方法原级比较级talltaller单音节词和少数双音节词一般直接加-ernicenicer以不发音的e结尾去e加-erhappyhappier辅音字母加y结尾，变y为i加-erbigbigger以重读闭音节结尾且末尾只有一个辅音字母双写辅音字母加-er在原级前加moredeliciousmoredelicious多音节词和部分双音节词比较级变化规则原级比较级good/wellbetterbad/badly/illworsemany/muchmorelittlelessfarfarther/furthero

3、ldolder/elder不规则变化不规则变化口诀：合二为一共三对，坏病两多和两好一分为二有两对，一是远来二是老还有一词含义多，只记少来不记小比较级用法：(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，yet更，还要, still仍然。Lesson One is much easier than Lesson Two.Tom looks even younger than before.(2) “比较级+and+比较级”表示“越来越”(表本身程度变化): more +and more+原级He is getting talle

4、r and taller. Clothes are more and more expensive.只用于以“more”构成比较级的词【练习】1我越来越胖。 2天津正变得越来越漂亮。I am getting fatter and fatter.Tianjin is becoming more and more beautiful.（3）“the+比较级，the+比较级”表示“越，越”。The more careful you are，the fewer mistakes youll make.（4）the + 形容词比较级 + of the two “两者中比较的一个”The harder y

5、ou study, the more you will get. She is the prettier of the two girls.This one is the more beautiful of the the two picture.（5）在比较级中为避免重复，在than后常用 that/those等词来替代前面提到过的名词。that代替可数名词单数和不可数名词,those代替复数名词.The weather in Harbin is colder than that in Beijing.The teachers in No.2 Primary School are young

6、er than those in No.1 Primary School.（6） 哪一个更：Which/Who+be+形容词/副词比较级, A or B? Which is more popular, the radio or the movie?（7）同义句：比较级+than any other +单数名词 =比较级+than the other +复数名词=最高级+范围eg. Spring is the best season of the year. =Spring is better _ _ _ season of the year. =Spring is better _ _ _ s

7、easons of the year.Benjamin is twice taller than Judy.thananyotherthantheother（8）表示倍数：倍数+形容词/副词比较级+than Benjamin是Judy的两倍高。写出下列形容词的比较级。1.short _ 2. thin _ 3. early _ 4. sad _ 5. fine _ 6.fat _ 7. cool _ 8. big _ 9. wet _ 10. dry _ 11. pretty _ 12.bad _13. good/ well _ 14. popular _ shorterthinnerearl

8、iermore sadfinerfattercoolerbiggerwetterdriermore prettyworsebettermore popular1.My brother is _ than me. He makes people laugh a lot. A.funny B.funnier C.the funniestB2.Lingling comes home _ than before this term. She doesnt have so many classes in the afternoon.A.early B.earlier C.late D.laterB3.T

9、he population of Shanghai is _ than_ Dalian. A.larger; in B.larger; that of C.much more; that of D.bigger; inB4.There will be _ jobs for people because some robots will do the same jobs as people. A.many B.more C.fewer D.fewestC5.The students in Class 2 are better at English than _in Class 1. AthisB

10、one CthatDthoseD形容词、副词最高级1.定义：比较三个或者三个以上的人和物时，我们用形容词的最高级；表示“最”，后面通常用of/in来表示比较的范围（in加地点 of加群体）。形容词的最高级前面要加定冠词the，副词最高级前面的the可以省略。Jason is the tallest in our class.Jim lives farthest from school of all my classmates.类别构成方法原级比较级最高级talltaller一般直接加-er/-esttallestnicenicer以不发音的e结尾加-r/-stnicest以重读闭音节结尾且末尾

11、只有一个辅音字母双写辅音字母加-er/-estbiggesthappyhappier辅加y结尾变y为i加-er/-esthappiest单音节和少数双音节词在原级前加more/the mostmoredelicious多音节和部分双音节词the mostdeliciousbigbiggerdelicious最高级变化规则特殊比较级最高级good/wellbetterbad/badly/illworsemany/muchmorelittlelessoldolderelder老长far远深fartherfurtherbestworstmostleastoldesteldestfarthestfur

12、thest不规则变化最高级用法：(1) “the + 形容词/副词最高级（+ 名词）+ in/of 短语” 表示“中最的”。Bill is the tallest boy of us.She does her homework the most carefully in her class.(2) 最高级前有物主代词,名词所有格等词修饰时，不加the；副词最高级前可以省略the He is my best friend.Who runs (the) fastest, Tom, Jack or Jerry？Chongqing is one of the biggest cities in our

13、 country.(3) one of the +形容词的最高级+可数名词复数: 最的之一（5）“特殊疑问词 + be/实义动词 + the + 形容词/副词最高级， A , B or C？” 表示“A，B，C，哪一个最？”Which is the longest, the pen, the ruler or the pencil?Who runs the fastest, Tim, Bill or Tom?The Yellow River is the second longest river in China.(4)the + 序数词 + 最高级 + 名词单数写出下列形容词的最高级。1.s

14、hort _ 2. thin _ 3. early _ 4. sad _ 5. fine _ 6.fat _ 7. cool _ 8. big _ 9. wet _ 10. dry _ 11. pretty _ 12.bad _13. good/ well _ 14. popular _ the shortestthe thinnestthe earliestthe most sadthe finestthe fattestthe coolestthe biggestthe wettestthe driestthe most prettythe worstthe bettestthe most

15、 popular 1.Nanjing isnt so large _ Shanghai, however, its the second _ city in East China. A. like; largest B. as; largest C. like; large D. as; large B2.Putting out forest fire is regarded as one of _ problems in the world.A. difficult B. more difficult C. most difficult D. the most difficult3.Which place is _ in China, Guilin, Xi an or Tianjin? I think Guilin is.A. popular B. more popular C