八年级上册_unit3单元课件.ppt

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1、 Im more outgoing than my sister.Section A形容词形容词 adjadj. He is tall. He is a tall man. 形容词(adjective)，简称adj.。形容词用来修饰名词或代词，表示人或事物的性质、状态，和特征的程度好坏，与否。 副词副词(adverb) 用以修饰动词或加强描绘词组或整个句子的词。 He sings well. He runs fast. Try to find out the adjectives and adverbs in Section A of Unit3. Now try to write out t

2、heir comparative forms.Adjectivesllonglgoodltalllheavylshortloutgoinglfriendlylfunnylhard-workinglsmartllazylwell lloudlylfastlhighlearlylhardlclearlyAdverbs大大多数形容词和副词有三个等级：多数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。一、一、构成构成1. 1. 构成的不规则变化构成的不规则变化: :eg. good / well better best bad / badly worse worst many /

3、 much more most little less least far farther / further farthest/ furthestGrammar: 形容词和副词的形容词和副词的 比较级和最高级比较级和最高级二二. 构成的规则变化构成的规则变化:1.单音节词和少数双音节词单音节词和少数双音节词 1) 一般在词尾后加一般在词尾后加-er 或或-est. 如：如：cold colder coldest tall taller tallest2)以以e结尾的词直接在其后加结尾的词直接在其后加-r或或-st.如：如： nice nicer nicest white whiter whi

4、test3) 重读闭音节词末尾只有一个辅音字母重读闭音节词末尾只有一个辅音字母时时, 先双写这个辅音字母先双写这个辅音字母, 再加再加-er或或-est。如如: big bigger biggest thin thinner thinnest4) 4) 以以“辅音字母辅音字母+ y”+ y”结尾的双音节词，结尾的双音节词， 先改先改y y为为i, i, 再加再加-er-er或或-est-est。如：。如： easy easier easiest easy easier easiest happy happier happiest happy happier happiest2. 多音节词和部分

5、双音节词在词前加多音节词和部分双音节词在词前加more或或most。如：如： delicious more delicious most delicious interesting more interesting most interestingComparative formsnewbigthin largeniceeasy heavy goodbad smartfunnywildtallmanymuchwelllong shortsmallRead in pairsnewnewerbigbiggerthinthinner largelargernicenicer easyeasier h

6、eavyheavier goodbetterbadworse smartsmarterfunnyfunnierwildwildertalltallermanymoremuchmorewellbetterlonglonger shortshortersmallsmallerLiu Xiang is tall. Pan Changjiang is short. Liu Xiang is taller than Pan Changjiang.Pan Changjiang is shorter than Liu Xiang than 比 (conj .连词).Li Yong is more outgo

7、ing than Cheng long.Cheng Long is outgoing.Li Yong is more outgoing.The rabbit runs faster than the turtle.The turtle runs harder than the rabbit.Summary lCompare A with B:lA + Be + adj.比较级 + than + B.lA + V. + adv.比较级 + than + B.tallthin long hairquietlyloudlyshort hairheavyshort1a. Match each word

8、 with its opposite!Listen and number the pairs of twins in the picture.1b1231c. Pairwork Thats Tara, isnt it?No, it isnt. Its Tina. Tina is taller than Tara. And she also sings more loudly than Tara. Tara Tina 2a. Listen. Are the words in the box used with “-er/ier” or “more”?funny (run)fastfriendly

9、 (jump)high Outgoing (work)hardhard-workingsmart (get up)earlylazy-er/-iermorefriendlyoutgoingfunnyfasthigh hard-workinghardsmartlazyearly2b. Listen again. How are Tina and Tara different? Fill in the charts.Tina is more outgoing than Tara.is friendlier and funnierruns faster and jumps higheris smar

10、ter is lazierTara works as hard as Tina.gets up earlier than Tina.Tom SamTomsmarttallrun fastget up early thinFunnyhard-working friendly2c.Pairworkmeans Sam is taller than Tom.Sam is taller than Tom.Sam gets up as early as Tom.Sam is funnier than TomSam is more hard-working than Tom.Sam is smarter t

11、han Tom.Tom runs faster than Sam.Tom is thinner than Sam.Tom is more friendly than Sam.2c. Pairwork 2d. Role-play the conversationJulie: Did you like the singing competition yesterday, Anna?Anna: Oh, it was fantastic! Nelly sang so well!Julie: Well, I think Lisa sang better than Nelly.Anna: Oh, whic

12、h one was Lisa?Julie: The one with shorter hair. I think she sang more clearly than Nelly.Anna: Yes, but Nelly danced better than Lisa.Julie: You can tell that Lisa really wanted to win, though.Anna: Well, everyone wants to win. But the most important thing is to learn something new and have fun.Pra

13、cticeCompare with your partner and find out the differences between you and your partner.用用法法1.比较级表示两者比较级表示两者 (人或事物人或事物) 的比较。的比较。eg. I am taller than Tom.My dress is more beautiful than hers.2. 2. 最高级最高级表示三者或三者以上表示三者或三者以上 (人或事物人或事物 ) 的比较的比较, 其中有一个在某一方面超过其他几个时其中有一个在某一方面超过其他几个时, 用最高级。用最高级。最高级的前面一般要加定冠

14、词最高级的前面一般要加定冠词 the, 后面可带后面可带 of ( in )短语来说明比较的短语来说明比较的范围。范围。如：如：She is the youngest in the class.Jason is the tallest of the three.Whose handwriting is the best of all? Pay attention to1.用比较级进行比较时，前后用用比较级进行比较时，前后用以对比的必须是同类事物。以对比的必须是同类事物。e.g. My hair is longer than hers.her hair2.在形容词比较级前还可用在形容词比较级前还

15、可用much, even, still, a little来来修饰修饰, 表示表示“的多的多”, “甚至甚至”, “更更”, “一些一些”。如：。如：This city is much more beautiful than before. Shes a little more outgoing than me. Its even colder today. 3.“比较级比较级and比较级比较级”意为意为“越来越越来越” 。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”形式。形式。如：如：Its getting worse and worse. The grou

16、p became more and more popular. 4.1)asas同级比较同级比较, 两个两个“as”之间之间 必须使用形容词或副词原级。必须使用形容词或副词原级。 意为意为“如同如同一样一样”, 如如： Lucy is as smart as Lily.2)not as / so as “不如不如一样一样”中间必须使用形容词或副词原级中间必须使用形容词或副词原级,如如：Lucy is not as/so smart as Lily.e.g. He runs as quickly as his father. The watermelon is as big as a socce

17、r ball. She doesnt study so / as hard as her brother.as . asas . asmy bikeher bike My bike is as big as her bike. My bike is as big as hers.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时用此句型。如：用此句型。如：Which T-shirt is nicer, this one or that one? Who is more active, Mary or Kate?1) than

18、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: 比较级不比较级不能用能用very, so, too, quite等修饰。如：等修饰。如：He is much more serious than Sam.3) 形容词比较级后面

19、往往用连词形容词比较级后面往往用连词than连接连接另一个比较的人或事物另一个比较的人或事物, 但在上下文明确但在上下文明确的情况下的情况下, 形容词比较级可单独使用。如：形容词比较级可单独使用。如：My sister is tall, but my aunt is taller.我姐姐个子高我姐姐个子高, 但我姑姑个子更高。但我姑姑个子更高。-Is Tom smarter than Sam?-No, he isnt. Sam is smarter than Tom.-Is Tara more outgoing than Tina?-No, she isnt. Tina is more out

20、going than Tara.GrammaGrammar rFocusFocus课时重点回顾课时重点回顾-Are you as friendly as your sister?-No, Im not. Im friendlier.-Does Tara work as hard as Tina?-Yes, she does.-Whos more hard-working at school?-Tina thinks she works harder than me.GrammaGrammar rFocusFocus课时重点回顾课时重点回顾 Use the words to write ques

21、tions 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_ than 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 Jac

22、k run as fast as Sam? faster Is your cousin as outgoing as you?more outgoing Is Paul as funny as Carol? funnier 根据句意填入单词的正确形式： 1. My brother is two years _(old) than me. 2. Tom is as _(fat) as Jim. 3. Is your sister _(young) than you? Yes, she is. 4. Who is _(thin), you or Helen? Helen is. 5. Whose

23、pencil-box is _(big), yours or hers? Hers is. 6. Marys hair is as _(long) as Lucys. 7.Ben _ (jump) _ (high) than some of the boys in his class. 8._ Nancy sing _ (well) than Helen? Yes, she _. older fat younger thinner bigger long jumps higher Does better does 9.Fangfang is not as _ (tall) as the oth

24、er 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 students. tall bigger hers

25、heavier earlier Do earlier dont slowly more slowly write fast 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 study English harder?_5.Do you sing better?_3b3bYes, I am. Im taller now than I was two years a

26、goYes, I am. Im funnier now than I was two years ago.No, Im 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 two years ago.3c3cPairworkCompare your parents. Check ( ) who is smarter, funnier, etc. in the chart. Then ask your partner about his/her parents.A: who is smarter, your mother or your father?B: I think my mother is smarter than my father.Mother Father smartfunnywork hardoutgoingfriendlysing well