英语人教版七年级上册形容词和副词比较级和最高级.ppt

1、,Grammar（复习） 形容词与副词的比较级和最高级,形容词和副词的比较级和最高级,大多数形容词和副词有三个等级:原级,比较级,最高级。 1.构成：比较级和最高级的规则变化和不规则变化 规则变化：单音节词和部分双音节词 1 一般在词尾加er或est 2 以不发音的e结尾的词加r或st (nice, late) 3 以重读闭音节结尾的，先双最后一个字母再加 er 或est . （big , fat, hot, thin, wet,red) 4 以辅音字母+y结尾的，变y为i加 er或est (easy, funny, early ) 5 部分双音节词和多音节词：在词前加more或most。 （

2、beautiful, interesting, outgoing,comfortable等）,写出下列词的比较级和最高级。(规则变化),1.tall short fast clever hard,2.nice large fine late,3.thin fat big hot wet,4.busy heavy early happy friendly,一般在词尾加-er -est,以不发音的e结尾在词，加-r -st,重读闭音节结尾,末尾只有1个辅音字母应双写最后一个字母再加-er -est,以辅音字母加y结尾，变y为i加-er -est,5.slowly useful delicious

3、outgoing popular,在部分多音节和双音节词前加more或most,不规则变化： 1 多词共用：good/well-better-best bad/badly/ill-worse-worst many/much-more-most 一词两种：far farther- farthest further- furthest oldolder-oldest elder-eldest 3 一对一 ：little-less-least,使用比较级时,比较级句型： (1)A+be/实义动词+比较级+than+B Im taller than you. He gets up earlier th

4、an his sister.,注意：,(2)Which/Who +be动词/实义动词+比较级,AorB? Which is bigger,this one or that one? Who draws more carefully,Tom or Jim?,句中标志性词：than,(3) the+比较级,the+比较级 , 表示越-就越- The busier I am, the happier I am . The more ,the better .,(4) 比较级+and+比较级，more and more+原级.表示越来越- fatter and fatter harder and ha

5、rder more and more beautiful The weather is becoming hotter and hotter. （5）用the +比较级+of the two来表达两者之间较- 的一个。 He is the better of the two . （6）用“比较级+than any other +单数名词来表达最高级 的意思. He is taller than any other student in the school 。,I,注：在形容词比较级前可用much, a lot , ,a little , a bit, still, even ,far 来修饰

6、，表示程度。 This park is a little larger than that one.,使用最高级时 句中标志性词：of或in 短语 最高级句型：,I,注意：,(1)“one of +the + 形容词最高级+名词复数表示“最 中之一。 One of the most beautiful cities is Shanghai.,（2）which/who is the+形容词的最高级A,B or C? Who is the tallest in the class, Tom, Bill, or Mike? Which is the heaviest,a dog,a horse or

7、 an elephant?,(3)Which/Who +动词+副词最高级,A ，B or C? Who jumps highest, Mike, John or Hill?,(4) the+序数词+形容词最高级(表示第几最) Lily is the third tallest girl in her class. 注：形容词最高级前必须加定冠词the,副词可以 省略。 原级： 不与任何人或物比较用:,注意：,1、as+原级+as 2、not + so/as + 原级+ as=less +原级,注：as-as句型不能与than 句型混用,习题精选：,一.用括号内所给词的适当形式填空 1 My u

8、ncle is as _(tall) as my father. 2 The earth is getting _ and_(warm). 3 Which one is_(popular), MP3 or MP4? 4 Shanghai is one of _ (beautiful) cities in China. 5 Bob studies _(hard) than before. 6 This book is much _ (interesting)than that one . 7 Li lei jumps_(far) in our class. 8 Which do you like

9、 _(good),tea or coffee?,tall,warmer,warmer,more popular,the most beautiful,harder,more interesting,farthest,better,/.,二 单选： 1.Beijing,the capital of China, is one of _ cities in the world. A .the biggest B. bigger C .much bigger D. big 2 . The math problem is_that one. A. not so easy as B .more easy

10、 than C. as easier than D .easy than 3. This year our school is_that it was last year. A. much more beautiful B.much more beautiful C .the most beautiful D .beautiful,A,A,B,4. John is much shorter than his sister, but he jumps_she does. A .as good as B. as best as C . as high as 5.Which do you like

11、_, Chinese or art ? A . good B .best C . better 6 .-This bag is quite heavy ! -You are right,but that one is_. A. more heavier B.much nore heavier C .much heavier 7 . In the exam, the more careful you are ,_mistakes you will make. A. the fewer B. the fewest C. the less,C,C,C,A,句型转换,1.Li Lei gets up earlier than the other two boys.,Li Lei gets up _ _ the three boys.,earliest,of,HOMEWORK,2. When Mary got to school,Jack had already been th