新人教版七年级上册英语中考英语语法复习：形容词和副词比较级和最高级ppt课件-市级优课.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

2、加 more或 most。 （ 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

3、 -est 5.slowly useful delicious 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 2 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

4、+B Im taller than you. He gets up earlier than 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， m

5、ore and more+原级 .表示越来越 - fatter and fatter harder and harder 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

6、：在形容词比较级前可用 much, a lot , ,a little , a bit, still, even ,far 来修饰，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

7、 in the class, Tom, Bill, or Mike? Which is the heaviest,a dog,a horse or 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

8、 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 uncle 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 m

9、uch _ (interesting)than that one . 7 Li lei jumps_(far) in our class. 8 Which do you like _(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 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