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1、Unit3 Im more outgoing than my sister.Period 5Section B 3a-Self CheckLook at the pictures and understand 看图并理解bigbiggerbiggest形容词和副词的级形容词和副词的级形容词和副词有三个等级：形容词和副词有三个等级： 原级、比较级、最高级原级、比较级、最高级1.原级：即形容词和副词的原形。原级：即形容词和副词的原形。 small, good, pretty, big, many hard, happily, slowly, quickly 程度副词程度副词very,too,so,
2、quite等修饰形容等修饰形容词和副词的原级。词和副词的原级。 如：如：very tall、 too hot、 so cold quite interesting run quickly asas ,(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.The question is not as / so difficult as that one.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。表示表示表示表示“ “较较较较”或或或或“ “更更更更一些一些
3、一些一些” ”。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；多音节或部分双音节词通结尾；多音节或部分双音节词通常在之前加常在之前加more. 如如:smaller, better, taller, older, more, harder more interesting , more quickly3.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+具体的数字具体的数字 表示表示表示表示“ “最最最最”的意思。的意思。的意思。的意思。（两者以上用最高级
4、） 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词通常在结尾；多音节或部分双音节词通常在之前加之前加most. 在形容词的最高级前必须加在形容词的最高级前必须加the;副词之前可副词之前可以不加。如以不加。如 ：smallest, tallest, newest, best most interesting, most difficultly 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，加-r或或
5、-stnicenicernicestlargelargerlargest重读闭音节词只有一个辅音字母重读闭音节词只有一个辅音字母时，应先双写辅音字母；再加时，应先双写辅音字母；再加-es或或-estbigbiggerbiggesthothotterhottest以以“辅音字母辅音字母+y”结尾的双音节词，结尾的双音节词，先改先改“+y”结尾结尾的双音节词，先的双音节词，先改改“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 tiredmost tir
6、edeasilymore easilymost easily单音节和少数多音节的形容词和副词的比较级和最高级单音节和少数多音节的形容词和副词的比较级和最高级的构成分规则和不规则。变化如下：的构成分规则和不规则。变化如下： 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 betterbestworseworstmoremostlessleastbetterbestfartherfarthestworseworstmoremostimportant _ _ easy_ _ wet_ _ happy_ _ car
7、eful _ _ 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 important most importanteasiereasiestwetterwettesthappierhappiestmore carefulmost carefulthinnerthinnestbetterbesthotterhottestmore easilymost easilymoremostnicernicestbigg
8、erbiggestheavierheaviestmore delicious most 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 five years older than I am.6.He is 2 centimeters
9、taller than her.7.This ruler is 20 centimeters longer than that one.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 seco
10、nd one is easier.(2) 数量的比较数量的比较1.我的笔比你的多.2.我喝的茶比他多.3.他吃的饭比我少.4.一班的学生比二班多.I have more pens than you (do).I drink more tea than he (does).He has less rice than I (do).There are more students in Class 1 than in Class 2.3a Wang Lingling and Liu Lili are best friends.Look at the chart below and compare t
11、hem.Wang LinglingLiu Lilitalltalllong straight hairshort straight hairlikes readinglikes sportspopularpopularoutgoingoutgoingseriousfunnyhard-workingsmart Wang Linglings best friend is Liu Lili. They are both tall and they both have straight hair, but Linglings hair is longer. Lingling likes reading
12、, but Lili likes sports. Lingling and Lili are both popular and outgoing. However, Lingling is more serious and hard-working than Lili, and Lili is funier and smarter than Lingling.3c Write two paragraphs describing your friend. Mike is my best friend. Some people think we are brothers because he lo
13、oks like me. We both have long, curly hair. We are short and quite thin, We are both smart and we enjoy studying together. Im also good friends with Paul, but we are so different! Paul is taller than me. and he has very short hair .Paul is more outgoing than me. Hes funnier and more popular, too. Bu
14、t I am smarter than him at school. 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. shortest D. longest3、Bob never dose his homewor
15、k _ 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 happierCBBD 。 Have a try，please。1.Which do you like _(well),apples or oranges?2
16、.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 Find out the mistakes in the sentences below.1.All of us felt happily at her birthday party. 2.I am more older than Harry.3. Her coat is newer than you.4. The weather in Beijing is colder than in Xiamen.5. Sue is one of the tall girls in her class. happymuchyours. that tallest
