八年级英语上Unit6形容词和副词的比较级与最高级专项讲练课件人教版新目标-副本.ppt

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1、形容词的比较级形容词的比较级和最高级的复习和最高级的复习形容词:是修饰名词(人或事物),表示名形容词:是修饰名词(人或事物),表示名 词的性质,特征或属性一种词类。词的性质,特征或属性一种词类。 它在句中作定语、表语和宾语补足语。它在句中作定语、表语和宾语补足语。bigbiggerLook at the pictures and Look at the pictures and understand understand 看图并理解Look at the pictures and Look at the pictures and understand understand 看图并理解bigbi

2、ggerbiggestfastLook at the pictures and Look at the pictures and understand understand 看图并理解fastfasterfastestLook at the Look at the pictures pictures and understand and understand 看图并理解 构 成 方 法原 级比 较 级最 高 级单音节词和少数多音节词一般在词尾加一般在词尾加-er/或或-est/ist/coldcoldercoldestfastfasterfastest以字母以字母e结尾的形容词,加结尾的形容词

3、,加-r或或-stnicenicernicestlargelargerlargest重读闭音节词只有一个辅音字重读闭音节词只有一个辅音字母时,应先双写辅音字母;再母时,应先双写辅音字母;再加加-es或或-estbigbiggerbiggesthothotterhottest以以“辅音字母辅音字母+y”结尾的双音结尾的双音节词,先改节词,先改“+y”结尾结尾的的双双音音节词,先改节词,先改“y”为为“i”,再加再加-er或或-esteasyeasiereasiestearlyearlierearliest多音节词和部分双音节词在词前加在词前加more或或mosttiredmore tiredmo

4、st tiredeasilymore easilymost easily 不规则变化,不规则变化,要多加注意哦!要多加注意哦! good bad many little well badly much far betterbestworseworstmoremostlessleastbetterbestfartherfarthestworseworstmoremost双音节或多音节形容词的比较级双音节或多音节形容词的比较级 和最高和最高级的特殊情况:级的特殊情况:1、一般是在原级前加、一般是在原级前加more构成比较级,在原级前加构成比较级,在原级前加most构构成最高级。成最高级。 beau

5、tiful more beautiful most beautiful interesting more interesting most interesting dangerous more dangerous most dangerous 2、某些单音节形容词,加、某些单音节形容词,加more, most 构成比较级和最高级。构成比较级和最高级。 glad more glad most glad pleased more pleased most pleased tired more tired most tired三、形容词的级及用法三、形容词的级及用法形容词有三个等级:形容词有三个等级

6、: 原级、比较级、最高级原级、比较级、最高级1.原级:即形容词的原形。原级:即形容词的原形。 small, good, pretty, big, many,much形容词作定语一般放在被修饰形容词作定语一般放在被修饰 的名词之的名词之前。前。 如如: a new book, two big trees 等等形容词放在系动词形容词放在系动词be 、look、 get、keep、turn、feel、become、seem、 grow、 smell等等之后。之后。如如:1.I am short. 2.She looks fine. 3.Trees turn green in spring. asas

7、 ,(与与一样)一样) not as(so)as (与(与不一样)中间用原级。不一样)中间用原级。The story is as interesting as that one.She is as pretty as her mother. My bike is not as / so good as yours.2.比较级:两个人或物之间的比较。比较级:两个人或物之间的比较。标志词:标志词:than (比)比) 单音节词通常是单音节词通常是-er结尾;多音节或部分双结尾;多音节或部分双音节词通常在之前加音节词通常在之前加more. 如如:smaller, better, taller, ol

8、der, more, harder more interesting 形容词比较级的修饰。形容词比较级的修饰。比较级前面可以用比较级前面可以用even(更更加加),much(得多得多),far(得多得多),a little(一点一点),a bit(一点一点),a lot(大量大量),still(还,还,还要还要)等词语表示不定程度或数量。等词语表示不定程度或数量。eg: I am even less lucky. She is far better than me at writing. This pen is much better than that one. Tom is a littl

9、e shorter than his friend Jim.3.最高级:三个或三个以上的人或物之间最高级:三个或三个以上的人或物之间 的比较。的比较。 标志词:标志词:in+大范围大范围, of all, of +the+具具体的数字体的数字 (两者以上用最高级) 单音节词通常是单音节词通常是-est结尾;多音节或部分双音节结尾;多音节或部分双音节词通常在之前加词通常在之前加most. 在形容词的最高级前必须在形容词的最高级前必须加加the。如。如 :smallest, tallest, newest, best , most interesting, important _ _ easy_

10、_ wet_ _ happy_ _ careful _ _ thin _ _ good_ _ hot _ _ easily _ _ many_ _ nice _ _ big _ _heavy_ _delicious_ _much_ _给出下列词的比较级和最高级给出下列词的比较级和最高级 more importantmost importanteasiereasiestwetterwettesthappierhappiestmore carefulmost carefulthinnerthinnestbetterbesthotterhottestmore easilymost easilymor

11、emostnicernicestbiggerbiggestheavierheaviestmore deliciousmost deliciousmoremostMore examples:1.Mary is cleverer than her little sister.2.The new building is higher than the old one.3.His shirt is more expensive than mine.4.Kate is more beautiful than Lily is. 5.She is older than I am.6.He is taller

12、 than her.7.This ruler is longer than that one.7. 7. 形容词的比较级形容词的比较级 + + and + + 形容词的比较级形容词的比较级 (前(前后形容词是同一个)后形容词是同一个) 越来越越来越She is becoming thinner and thinner.Our country is becoming richer and richer.8、the + 形容词的比较级形容词的比较级 + + the +形容词的比形容词的比较级较级 表示表示“ 越越,就越,就越”The more you eat, the fatter you wil

13、l be.The harder you study, the more you will get.The smaller the house is, the less it will cost.The sooner, the better.9、the + 形容词比较级形容词比较级 + the two+名词复数名词复数 两者中比较两者中比较的一个的一个 She is the prettier of the two girls. The bike is the older of the two. His is the taller of the two. This one is the more

14、beautiful of the two pictures. 。 1.Which do you like _(well),apples or oranges?2.Who is _(old),Jim or Tom ?3.Jack is running _ and _(fast) .4.Our country is becoming _and _ (beautiful). 5.He is _(tall) of the the two boys. betterolderfasterfastermore more beatifulthe taller形容词最高级的用法形容词最高级的用法(in; of)

15、那个短发的女孩是我们班最高的那个短发的女孩是我们班最高的.今天是一年中最热的一天今天是一年中最热的一天.他的房间是三个中最干净的一个他的房间是三个中最干净的一个.上海是中国最大的城市上海是中国最大的城市.The girl with red hair is the tallest in our class.Today is the hottest day of the year.His room is the cleanest of the three.Shanghai is the largest in China.More examples:1.He is the youngest of a

16、ll the children.2.This book is the most interesting of all books.3.America is the most developed country in the world.4.The Changjiang River is the longest river in China.5.He is one of the greatest scientists in China.6.The city is one of the most beautiful cities in the world.7.Lucy is one of the

17、tallest girls in her class.8.Give my best wishes to you.9.He is my best friend.Follow ups(随堂练习)1、-Mr Zhou, all of the students in our group, who lives _? -I think Li Lei does. A. fat B. father C. farthest D. farest2、The Changjiang River is _ than any other river in China. A. shorter B. longer C. sho

18、rtest D. longest3、Bob never dose his homework _ Mary. He makes lots of mistakes. A. so careful B. as carefully as C. carefully as D. as careful as4、_ she is, _ she feels. A. The more busy, the more happy B. The busy, the happy C. Busier, happier D.The busier, the happier5、The weather is getting w_ a

19、_ w_ .(越来越糟糕)CBBD Dorst nd orst 1. Write down the comparatives and the superlatives of these wordsbig nice longnew cheap young late safe thirsty heavy easy hard highfew old thin expensive interesting good bad little far many/muchhomework比较级的用法:比较级的用法: than1.汤姆比杰克高.2.这只箱子要比那只箱子大.3.那些苹果比这些大.4.第一个问题很容易第一个问题很容易,但第二个更容易但第二个更容易.Tom is taller than Jack.This box is bigger than that one.Those apples are bigger than these ones.The first question is very easy, but the second one is easier.

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