2013年新人教版八年级英语上册第三单元Section_A_1(2).ppt

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1、 big smallABBall A is _ _ Ball B.Ball B is _ _ Ball A. bigger thansmaller thantallshortLiu Xiang is _ _ Yao Ming.Yao Ming is _ _ Liu Xiang. shorter thantaller thanLily is _ _ Lucy.Lucy Lily Lucy and Lily are twins (双胞胎双胞胎).funnier thanfunnyGong Hanlin is _ _ Liu Huan.Liu Huan sings _ _ Gong Hanlin.b

2、etter thanthinner thanZhao Wei has big eyes.Haitao has small eyes .Zhao Wei has bigger eyes than Haitao.Hai Tao has shorter hair than Zhao Wei.Tara says quietly.Tom says loudly.Tara says more quietly than Tom.Tom says more loudly than Tara.outgoingseriousLi Yong is more outgoing than Shui Junyi.Shui

3、 Junyi is more serious than Li Yong .funny seriousBai Yansong is more serious than Zhao Benshan . -funnier-more seriousZhao Benshan is funnier than Bai Yansong.fastwildcalmsmartlong oldtallyoungshorterererererererererbighotfatthingerterternerbusyhappyheavyeasyfunnyierierierierierCan you find out the

4、 rules?Are the words used with “-er/-ier,or more”?largenicewiderrr seriousathleticoutgoingdifferentmoremoremoremorecomparative degreetallnicefatheavyserioustallerfatterheaviernicer1) 1) 一般在词尾加一般在词尾加_3) 3) 重读辅元辅结尾重读辅元辅结尾, , 先先_最后的辅音字母最后的辅音字母, , 再加再加_4) 4) 以以“辅音字母辅音字母+ y”+ y”结尾结尾词，先改词，先改_为为_, , 再加再加_2

5、) 2) 不发音不发音e e结尾的形容词结尾的形容词直接加直接加_er双写双写yirerersummarymore serious5）多音节和部分双音节的形容多音节和部分双音节的形容词前加词前加_more Lets Lets read!read! 一、形容词、副词的比较级构成的一、形容词、副词的比较级构成的规则变化规则变化： 1、 一般在形容词、副词后加上一般在形容词、副词后加上er表示比较级表示比较级 原级原级 比较级比较级 1）small smaller 2) young young er 3) fast faster 2 、 以不发音的以不发音的e结尾的，只加上结尾的，只加上r表示表示比

6、较级。比较级。 原级原级 比较级比较级 1) large large 2) nice nice 3) fine fine rrr 3 、以以辅音字母辅音字母+y 结尾的，把结尾的，把y改为改为i,然后然后加上加上er表示比较级。表示比较级。原级原级 比较级比较级 1) early earlier 2) happy happier 4 、 重读闭音节结尾、且末尾只有一个重读闭音节结尾、且末尾只有一个辅音字母，双写最后一个辅音字母，然辅音字母，双写最后一个辅音字母，然后加上后加上 er表示比较级。表示比较级。 原级原级 比较级比较级 1) big bigger 2) thin thinner3)

7、wet wetter 4) fat fatter 5) hot hotter 5. 部分部分双音节和多音节的形容词，副词，在形容双音节和多音节的形容词，副词，在形容词和副词词和副词前加上前加上more 表示比较级。表示比较级。 原级原级 比较级比较级 1) expensive expensive 2) careful careful 3) exciting exciting 4) boring boring 5) interesting interesting6) carefully carefully moremoremoremoremoremore6.不规则变化形式： good-bette

8、r; well-bettermany-more; much-morelittle-less ; far-farther /furtherbad- worse; badly-worse用用 法：法：常用于“两者间的比较”，通常构成：主语+谓语（联系动词）+形容词/副词的比较级+than+比较对象they have more orange than we/us. I jumped higher than you.比较级+and+比较级/ more and more+原级（用于多音节和部分双音节）“越来越”Our city is becoming more and more beautiful.th

9、e+比较级，the+比较级 “越，越”The more you read, the more you know.1.asas “与一样” （中间+原级）Tom works as hard as Jim. 2.not as/soas “不如/与不一样”也是一种表达比较的方式=形容词比较级/less+形容词/副词原级+than This room is not as/so big as that one.=This room is smaller than that one.2. _ _1. _ _shortfatthintallWrite the opposite words according

10、 to the pictures.1a形容词形容词是指那些用来描述或修饰名词是指那些用来描述或修饰名词(或代词或代词)的一类词。的一类词。一般放在其所修饰的名词之前一般放在其所修饰的名词之前。 副词副词是用以修饰动词、形容词、句子以及其他副词的词。是用以修饰动词、形容词、句子以及其他副词的词。在形式上，许多副词在形式上，许多副词带有后缀带有后缀ly。 1形容词的用法和位置形容词的用法和位置1）形容词作表语，表明主语的性质和特征，放在连系动）形容词作表语，表明主语的性质和特征，放在连系动词之后。如：词之后。如：Computers are very useful in our everyday l

11、ifeLeaves turn yellow in autumn2）形容词作定语，修饰名词或不定代词，通常放在名词）形容词作定语，修饰名词或不定代词，通常放在名词之前，不定代词之后。如：之前，不定代词之后。如：This is an unhealthy dietThere is nothing important in todays newspaperGao Yuanyuan is as _ (漂亮漂亮) as Sun Li.Sun Li works as _ (努力努力) as Gao Yuanyuan. hardbeautiful3. _ _quietlyloudly4. _ _short h

12、airlong hair形容词或副词的比较级形式：形容词或副词的比较级形式：tall taller fast fasternice nicerthin thinnerearly earlier outgoing more outgoing 原形原形比较级比较级 tall taller fast fasternice nicerthin thinner(以不发音的字母以不发音的字母 e 结尾的结尾的 + r )(一般在词尾一般在词尾 + er )原形原形比较级比较级(重读闭音节词词尾只有一个辅音重读闭音节词词尾只有一个辅音字母时，先双写辅音字母再字母时，先双写辅音字母再 + er) early

13、earlieroutgoing more outgoing (以辅音字母以辅音字母 + y 结尾的单结尾的单 词，变词，变 y 为为 i + er ) (多音节词和部分双音节词多音节词和部分双音节词前加前加more)Listen and number the pairs of twins in the picture.1b1231cPractice the conversation then make conversations about the other twins.A: Thats Tara, isnt it?B: No, it isnt. Its Tina. Tina is tall

14、er than Tara. And she also sings more loudly than Tara.Listen. Are the words in the box used with (i)er or more? Complete the chart.2afunny(run) fastfriendly(jump) highoutgoing(work) hardhard-working(get up) early smartlazy-er / -iermore friendlyoutgoingfunny funniersmart smarterlazy lazierfast fast

15、erhard harderhard-working more hard-workinghigh higherearly earlierListen again. How are Tina and Tara different? 2bTina is more outgoing than Tara.is friendlier and funnier.runs faster and jumps higher than Tara.is smarter than Tara.is lazier than Tara. Tara works as hard as Tina.gets up earlier th

16、an Tina.Does Liu Yang run as fast as Wang Yaping?Is Liu Yang as funny as Wang Yaping?Yes, she is.run fasttallNo, she doesnt. She doesnt run as fast as Wang Yaping.Wang Yaping runs faster than her.Is Wang Yaping as tall as Liu Yang?No, she isnt. She is taller than Liu Yang.3a3aWang YapingLiu Yangasas

17、同级比较同级比较, 两个两个“as”之间之间 必须使用必须使用形容词或副词原级。意为形容词或副词原级。意为“如同如同一样一样”, not as / so as “不如不如一样一样”3）as表示同级比较用法表示同级比较用法tallrun fastfunnyTina is as tall as Tara.Tina runs as fast as Tara.Tina is as funny as Tara.Student A, look at the chart on the right. Student B, look at the chart on page 81. Ask and answer

18、 questions about Sam and Tom.2cIs Tom funnier than Sam?No, he isnt. Sam is funnier than Tom.Is Sam more hard-working than Tom?Yes. Hes more hard-working than Tom. 2dRead the conversation and match the people with the right things.LisaNellya.sang betterb.with shorter hairc.practice more and really wa

19、nted to wind.sang more clearlye.danced better Did you like the singing competition yesterday, Anna?Oh, it was fantastic! Nelly sang so well.Role-play the conversation.1. outgoing adj. 友好的；外向的友好的；外向的一般修饰人，指人的性格。一般修饰人，指人的性格。在句子中可做定语或表语。在句子中可做定语或表语。e.g. Mary is an outgoing girl. 玛丽是一位外向的女孩。玛丽是一位外向的女孩。

20、My brother is not very outgoing. 我弟弟不善与人交往。我弟弟不善与人交往。2. better adj. / adv. （good和和well的比较级）的比较级） 较好的（地）；更好的（地）。较好的（地）；更好的（地）。e.g. The red bike is better than the blue one.红色的自行车比蓝色的好。红色的自行车比蓝色的好。Mike can play the guitar better than Bob. 迈克弹吉它比鲍勃好。迈克弹吉它比鲍勃好。3. loudly adv. 喧闹地；大声地；响亮地喧闹地；大声地；响亮地 quiet

21、ly adv. 轻声地；轻声地； 轻柔地；安静地轻柔地；安静地e.g. Dont talk so loudly. 不要这么大声说话。不要这么大声说话。All the students are sitting quietly in the library. 所有的学生都安静地坐在图书馆里。所有的学生都安静地坐在图书馆里。4. which pron. & adj. 哪一个；哪一些哪一个；哪一些指上文或下文提到的几个名词指上文或下文提到的几个名词中的一个或一些。中的一个或一些。e.g. Which is your bike, Mary?哪一辆是你的自行车，玛丽？哪一辆是你的自行车，玛丽？Which

22、girl runs faster? 哪一名女孩跑得更快一些？哪一名女孩跑得更快一些？5. competition n. 比赛；竞赛；竞争比赛；竞赛；竞争e.g. The singing competition was very interesting yesterday. 昨天的歌唱比赛很有趣。昨天的歌唱比赛很有趣。6. fantastic adj. 极好的；了不起的极好的；了不起的 e.g. Look! Our English newspaper is really fantastic. 看！我们的英语报真是太棒了。看！我们的英语报真是太棒了。7. clearly adv. 清楚地；清晰地；

23、明白地清楚地；清晰地；明白地e.g. Can you see the words clearly? 你能清楚地看到那些字吗？你能清楚地看到那些字吗？8. win v. 获胜；赢得获胜；赢得e.g. Its easy for us to win the game. 我们赢得这场比赛很容易。我们赢得这场比赛很容易。写出下列单词的比较级。写出下列单词的比较级。funnyquietserioussmartoutgoingquicklyfunnierquietermore serioussmartermore outgoingmore quicklytallnicebigfunnyoutgoingold

24、 oldertallernicerbiggerfunniermore outgoinglateexpensivethin smarthighfat interestingmore interestinglatermore expensivethinnersmarterhigherfatter Use the words to write questions and answers.1.Julie/tall/you Q: _ A: No, she isnt. Shes _ than me.2,Jack/run/fast/Sam Q:_ A: No, he doesnt. He runs_ tha

25、n Sam.3.Your cousin/outgoing/you Q: _ A: No, she isnt. She s _ than me.4. Paul/ funny/Carol Q:_ A: No, he isnt. Hes _ than Carol.Is Julie as tall as you? taller 3a3a Does Jack run as fast as Sam? faster Is your cousin as outgoing as you?more outgoing Is Paul as funny as Carol? funnier 9.Fangfang is

26、not as _ (tall) as the other girls.10.My eyes are _(big) than _(she). 11.Which is _(heavy), the elephant or the pig?12.Who gets up _(early), Tim or Tom? 13._the girls get up_ (early) than the boys? No, they_.14. Jim runs _(slow). But Ben runs _ (slow).15.The child doesnt _(write) as _(fast) as the s

27、tudents. tall bigger hers heavier earlier Do earlier dont slowly more slowly write fast 1. His computer is cheaper than I.2. Mary is very younger than her brother.3. Shanghai is bigger than any city in China.4. Tom is taller of the two brothers.烦恼一 同类事物才能比较同类事物才能比较烦恼二烦恼二 错用修饰语。错用修饰语。 修饰比较级只能用修饰比较级只能

28、用much / even / far / a little. 不能用不能用very / so / too / quite来修饰。来修饰。烦恼三烦恼三 同一事物不能比较。同一事物不能比较。 同一事物在某一范围内进行比较，常用结构同一事物在某一范围内进行比较，常用结构 比较级比较级+than any (other)+单数名词单数名词烦恼四烦恼四 表示表示“是两者中更是两者中更的一个的一个”时时, 用用 “the + 比较级比较级+ of the two”结构。结构。the 不可缺不可缺。1) than后面接代词时后面接代词时, 一般要用主格形式，一般要用主格形式， 但在口语中也可使用宾格形式。但在

29、口语中也可使用宾格形式。 如：如： My brother is taller than I / me. 2) 当需要表示一方超过另一方的程度时，当需要表示一方超过另一方的程度时， 可以用可以用much, a lot, a little, a bit, even, still 等来修饰形容词比较级。注意等来修饰形容词比较级。注意: 比较级比较级不不 能能用用very, so, too, quite等修饰。如：等修饰。如： He is much more serious than Sam.3) 上下文明确的情况下上下文明确的情况下,形容词比较级可单独形容词比较级可单独 使用不用连词使用不用连词th

30、an 。如：。如： My sister is tall, but my aunt is taller.4) .“比较级比较级and比较级比较级”意为意为“越来越来越越” 。多音节比较级用。多音节比较级用“more and more形容词原级形容词原级”如：如：Its getting worse and worse. The group became more and more popular.5). “Which / Who is + 比较级比较级？”比较比较A、B两事物两事物, 问其中哪一个较问其中哪一个较时用此时用此句型。如：句型。如：Which T-shirt is nicer, thi

31、s one or that one? Who is more active, Mary or Kate?Which one is more popular among students, going to concerts or going to movies?6) less / least +原级原级结构示表示降级的比较级.意为“不如”.表示一方不如不如另一方如：This room is less beautiful than that one . 这个房间不如那个房间漂亮。“not as /so+形容词或副词原形形容词或副词原形+as” 如：It is not as/so warm tod

32、ay as yesterday. 今天不如昨天暖和。 He did not come as /so early as Wang Lin. 他不如王林来得早。 = It is less warm today than yesterday.= He came less early than Wang Lin.Think of yourself two years ago. Write about how you are different now.1.Are you taller ?_2.Are you funnier?_3.Are you more outgoing?_4.Do you stud

33、y English harder?_5.Do you sing better?_3b3bYes, I am. Im taller now than I was two years agoYes, I am. Im funnier now than I was two years ago.No, I am not. Im less outgoing now than I was two years ago.Yes, I do. I study harder now than I did two years agoYes, I do. I sing better now than I did tw

34、o years ago.3C3CCompare your parents. Check( ) who is smarter, funnier, etc. in the chart. Then ask your partner about his parents.A: Who is smarter, your mother or your father?B: I think my mother is smarter than my father.Mother Fathersmarterfunnywork hardoutgoingfriendlysing wellMy mom is funnier

35、 than my dad. My dad works harder than my mom. My dad is funnier than my mom. My mom is more friendly than my dad. My mom sings better than my dad. 1. Tom is than Sam.(calm)2. Pedro is than Paul.(short)3. Tina is than Tara.(friendly)4. Paul is than Pedro.(thin)5. Ruth is than Rose.(serious)6. Bob is

36、 a little than me.(outgoing)7. Lilei is than I am.A. funny and outgoing B. more funnier and outgoingC .funnier and more outgoing D. more funny and outgoingcalmershorterfriendlierthinnermore seriousCmore outgoing达标检测达标检测一.用单词的正确形式填空二二.用方框内所给词的正确形式填空。用方框内所给词的正确形式填空。1. She is more and more _( beautiful

37、 )2. My bag is _( big ) than _( he ).3. Who is _ (old ) , Tom or Sam ?4. Peters story much _ (funny ) than that one. 5. Im _ (heavy ) than Tara.6. Her hair is _( short ) than _ ( you ).beautifulbiggerhisolderfunnierheavieryoursshorterCompare yourself. (now and two years ago)Two years ago.I was a pri

38、mary school student. Im taller now.I work harder and smarter than before . I was not popular in primary school. But Im more popular in middle school. although I was not good at schoolwork. I am a better student now. Write about the things that are the same and different between you and your best friend.