八年级上册-unit3单元课件

1、Unit 3 Im more outgoing than my sister,Section A,形容词 adj. 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(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 the

2、ir comparative forms,Adjectives,long good tall heavy short outgoing friendly funny hard-working smart lazy,well loudly fast high early hard clearly,Adverbs,大多数形容词和副词有三个等级： 原级、比较级、最高级。 一、构成 1. 构成的不规则变化: eg. good / well better best bad / badly worse worst many / much more most little less least far fa

3、rther / further farthest/ furthest,Grammar: 形容词和副词的 比较级和最高级,二. 构成的规则变化: 1.单音节词和少数双音节词 1) 一般在词尾后加-er 或-est. 如： cold colder coldest tall taller tallest 2)以e结尾的词直接在其后加-r或-st.如： nice nicer nicest white whiter whitest,3) 重读闭音节词末尾只有一个辅音字母 时, 先双写这个辅音字母, 再加-er或-est。 如: big bigger biggest thin thinner thinne

4、st 4) 以“辅音字母+ y”结尾的双音节词， 先改y为i, 再加-er或-est。如： easy easier easiest happy happier happiest,2. 多音节词和部分双音节词在词前加 more或most。如： delicious more delicious most delicious interesting more interesting most interesting,Comparative forms,new big thin large nice easy heavy good bad,smart funny wild tall many much

5、 well long short small,Read in pairs,newnewer bigbigger thinthinner largelarger nicenicer easyeasier heavyheavier goodbetter badworse,smartsmarter funnyfunnier wildwilder talltaller manymore muchmore wellbetter longlonger shortshorter smallsmaller,Liu Xiang is tall. Pan Changjiang is short,Liu Xiang

6、 is taller than Pan Changjiang. Pan Changjiang is shorter than Liu Xiang,than 比 (conj .连词,两者之间比较，用形容词或副词的比较级,Li Yong is more outgoing 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,Compare A with

7、B: A + Be + adj.比较级 + than + B. A + V. + adv.比较级 + than + B,tall thin long hair quietly,loudly short hair heavy short,1a. Match each word with its opposite,Listen and number the pairs of twins in the picture,1b,1,2,3,1c. Pairwork,Thats Tara, isnt it,No, it isnt. Its Tina. Tina is taller than Tara. A

8、nd 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)fast friendly (jump)high Outgoing (work)hard hard-working smart (get up)early lazy,funny,fast,high,hard-working,hard,smart,lazy,early,2b. Listen again. How are Tina and Tar

9、a different? Fill in the charts,Tina is more outgoing than Tara. is friendlier and funnier runs faster and jumps higher is smarter is lazier,Tara works as hard as Tina. gets up earlier than Tina,Tom,2c.Pairwork,means Sam is taller than Tom,Sam is taller than Tom. Sam gets up as early as Tom. Sam is

10、funnier than Tom Sam is more hard-working than Tom. Sam is smarter than Tom. Tom runs faster than Sam. Tom is thinner than Sam. Tom is more friendly than Sam,2c. Pairwork,2d. Role-play the conversation,Julie: Did you like the singing competition yesterday, Anna? Anna: Oh, it was fantastic! Nelly san

11、g so well! Julie: Well, I think Lisa sang better than Nelly. Anna: Oh, which 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 t

12、o win. But the most important thing is to learn something new and have fun,Practice,Compare with your partner and find out the differences between you and your partner,用法 1.比较级表示两者 (人或事物) 的比较。 eg. I am taller than Tom. My dress is more beautiful than hers. 2. 最高级表示三者或三者以上 (人或事物 ) 的比较, 其中有一个在某一方面超过其他

13、几个时, 用最高级。最高级的前面一般要加定冠词 the, 后面可带 of ( in )短语来说明比较的范围。 如： She is the youngest in the class. Jason is the tallest of the three. Whose handwriting is the best of all,Pay attention to 1.用比较级进行比较时，前后用以对比的必须是同类事物。 e.g. My hair is longer than hers,her hair,2.在形容词比较级前还可用much, even, still, a little 来修饰, 表示“

14、的多”, “甚至”, “更”, “一些”。如： This city is much more beautiful than before. Shes a little more outgoing than me. Its even colder today. 3.“比较级and比较级”意为“越来越” 。 多音节比较级用“more and more形容词原级”形式。 如： Its getting worse and worse. The group became more and more popular,4.1)asas同级比较, 两个“as”之间 必须使用形容词或副词原级。 意为“如同一样”

15、, 如： Lucy is as smart as Lily. 2)not as / so as “不如一样” 中间必须使用形容词或副词原级, 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 soccer ball. She doesnt study so / as hard as her brother,as . as,my bike,her bike,My bike is as big as her bike,My bike is as

16、 big as hers,5. “Which / Who is + 比较级？” 比较A、B两事物, 问其中哪一个较时 用此句型。如： Which T-shirt is nicer, this one or that one? Who is more active, Mary or Kate,6. 使用形容词比较级时需注意以下几点： 1) than后面接代词时, 一般要用主格形式， 但在口语中也可使用宾格形式。 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， 可以用much, a lot, a little, a bit, ev

17、en, still 等来修饰形容词比较级。注意: 比较级不 能用very, so, too, quite等修饰。如： He is much more serious than Sam,3) 形容词比较级后面往往用连词than连接 另一个比较的人或事物, 但在上下文明确 的情况下, 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, 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

18、 than Tina? No, she isnt. Tina is more outgoing than Tara,课时重点回顾,Review,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,课时重点回顾,Review,Use the words to write quest

19、ions 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,3a,Does Jack

20、 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 pen

21、cil-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 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 _(f