人教版八年级英语上册《Unit 3 Section A 3c》教学课件PPT初二优秀公开课

1、Unit 3 Section A Grammar Focus-3c人教版 英语 八年级 上册 ObjectivesTo learn to compare personal traits of people by using comparatives.To learn new words: as, way, both, physics, however.To compare people,learn from others.Yes, she is.Helen is.根据句意填入单词的正确形式根据句意填入单词的正确形式：1. My brother is two years o ld e_r(old

2、)than me.2. Tom is as f_a_t (fat) as Jim.3. Is your sister y_o u_n g_e(ryoung)than you?4. Who is _t_h_i_n_n e_r(thin),you or Helen?5. Whose pencil-box isb_i_g_g e(rbig), yours or hers?Hers is.6. Marys hair is as l_o_n_g(long) as Lucys.7.Ben jumps_ (high) than some of the boys in his class.8._ Nancy

3、sing _ (well) than Helen?higherDoesbetter唱歌比唱歌比赛赛比比唱得唱得好好 头发较短的那头发较短的那个个 比比唱得清唱得清楚楚比比跳得跳得好好 更多地练更多地练习习重要的是学到东重要的是学到东西西重要的是得到重要的是得到快快乐乐 比较你的父比较你的父母母翻译下列短语及句子。singing competition sing better thanthe one with shorter hairsing more clearly thandance better than practice moreThe most important thing is t

4、o learn something new.The most important thing is to have fun.Compare your parents.Find their differences in each picture.The more, the better.The man is. The pig is.The horse isThe bike goes fast.The car goes _f_a_st_e_r_ t h a n t h e bike.Tall, taller, who is taller?I am tall. You are taller. You

5、 are taller than me. Thin, thinner, who is thinner?He is thin. She is thinner. She is thinner than him. Funny, funnier. Who is funnier?You are funny. They are funnier. They are funnier than you.Outgoing. More outgoing. Who is more outgoing? Lucy is outgoing. Lily is more outgoing.Lily is more outgoi

6、ng than Lucy.Lets chant!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 outgoing than Tara.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 schoo

7、l?Tina thinks she works harder than me.Grammar FocusCompare some of your classmates or family members,try to make sentences.My brother is taller than me ,I work harder than him.形容词的原级和比形容词的原级和比较较1.1.什么是形什么是形容容级级词的词的原级原级？表示修饰两种东西的程度是一样的表示修饰两种东西的程度是一样的, ,用用 as as表示原级表示原级，译为，译为:“:“和和一样一样”。 2.2.什么是形什么是形

8、容词的容词的比较级比较级？表示两者相比，一个比另一个更表示两者相比，一个比另一个更，有比较，有比较级级 的句中有的句中有than, ,且仅限于两者比较且仅限于两者比较。原级和比较级区分程度的不同原级和比较级区分程度的不同：原级原级是说明两个人物或事物的程度是说明两个人物或事物的程度一样一样。比较级比较级是区分两个人物或事物的程度是区分两个人物或事物的程度不不一一 样样。This tree is as _t a_l_l_as that tree.The green bag is as _b_i_g_asthe blue one.This pencil is as _l o_n_g_ a s th

9、at pencil.原原 级级当两个人或两件事物进行比较时，形容词和当两个人或两件事物进行比较时，形容词和副副 词要用比较级，也就是词尾词要用比较级，也就是词尾-er形式，比较级形式，比较级常常 常用常用than来连接被比较的两个人或事物来连接被比较的两个人或事物。I am shorter than you. 我比你矮我比你矮。￥30cheapcheaper￥20The pink dress is cheap.The black dress is c_h_e_a_p_e_r_t_h_a_n_ t h e pink one.The red car is cute.The blue car _is

10、_c_u_t_e r tha_n the red car.(蓝车比红车更可爱蓝车比红车更可爱)The red apple is big.The green apple is b_i g_g_e_r t h_a_nt h e red one.heavyheavierGarfield is heavy.Doraemon is _h_e_a_v_i_e_r_t_h_a_n_Garfield.Garfield 56.1kgDoraemon 58kg形容词比较级的构形容词比较级的构成成1.1.构成的规则变化构成的规则变化:2.2.构成的不规则变构成的不规则变化化:short -shorter small

11、-smallernice-nicersafe-safer-heavyheavierhappyhappierbigthinbiggerthinner1. 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一般在词单音节词和少数双音节词一般在词尾尾后加后加-er 构成比较构成比较级级 或或-est构成最高级构成最高级. 如如： 原原级级比较比较级级最高最高级级cold colder coldest bright brighterbrightestyoung younger youngest2) 以字以字母母 e 结尾的词只结尾的词只加加 r 或或-st 构成构成比较比较级级 和和最高级最高

12、级。原原级级比较比较级级最高最高级级nice nicer nicest finefiner finest large larger largest3)3)重读闭音节词末尾只有一个辅音字母时，先双重读闭音节词末尾只有一个辅音字母时，先双写写 这这个辅音字母，再加个辅音字母，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”结尾的双音节词，先改结尾的双音节词，先改y为为i，再再 加加-er或或-est。如。如：easy easier easiesthappy happier happiest5) 多

13、音节词和部分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 interesting important more important most important2. 构成的不规则变化构成的不规则变化:e.g. good / well better bestbad / badly/ill worse worst many / much more most little less leastfar farther / fur

14、ther farthest/ furthestold-older/elder-oldest/eldest讲述两者有差异，第一个人物超过第二个人物时讲述两者有差异，第一个人物超过第二个人物时用用 比较级。比较级。基本句型基本句型：主语主语(A)+谓语动词谓语动词+形容词形容词/副词比较副词比较级级+than+主语主语(B)+e.g. A modern train is faster than a car.现代的火车比轿车快多了现代的火车比轿车快多了。This book didnt cost me more than that one.这本书花费我的钱不比那本多这本书花费我的钱不比那本多。比较级的

15、用比较级的用法法在形容词比较级前还可用在形容词比较级前还可用much, even, still, fara little来修饰，表示来修饰，表示“的多的多”，“甚至甚至”, “更更”, “一些一些”。e.g.This city is much more beautiful than before. Shes a little more outgoing than me.Its a little colder today.“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。如形式。如：Its getting

16、 worse and worse.The group became more and more popular.“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句型。如时用此句型。如：Which T-shirt is nicer, this one or that one? Who is more active, Mary or Kate?Which one is more popular among students, going toconcerts or going to movies?the+比较级比较级.，the+比较

17、级比较级. “越越.,越越.” eg.The more,the better.The harder you work,the better grades youll get.Ex.youre,mistakes youll make.A.The careful,the lessB.The more careful,the lessC.The more carefully,the fewerD.Themore careful,the fewer使用形容词比较级时需注意以下几点使用形容词比较级时需注意以下几点：1）than后面接代词时后面接代词时, 一般要用主格形式，但在口语中一般要用主格形式，但在

18、口语中也也 可使用宾格形式可使用宾格形式。 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，可以用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, even, still等来修饰形容词比较级等来修饰形容词比较级。 注意注意: 比较级不能用比较级不能用very, so, too, quite等修饰。如等修饰。如：He is much more serious than Sam.3） 形容词比较级后面往往用连词形容词比较级后面往往用连词than连接另一个比较连接另一个比较的的人或事物人或事

19、物, 但在上下文明确的情况下但在上下文明确的情况下, 形容词比较级可形容词比较级可单单 独使用。如独使用。如：M y 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。4） 进行比较的人和物必须是同一类进行比较的人和物必须是同一类。My books are more than yours.I have more books than you.1. Julie / tall / youQ: Is Julie as tall as you?than me.A: No, she isnt. Shes t_a_l_

20、e_r2. Jack / run / fast / SamQ: D_o_e_s_J_a_c_k r_u_n f a s t_e_r_t_h_a_n S_a_m_?A: No, he doesnt. He runs_s_lo_we_rthan Sam.3aUse the words to write questions and answers.3. your cousin / outgoing / youQ : _I_s_y_o_u_r_c_o_u s i_n m_o_r_e o_u_t_g_o_i n_g t_h a n you?A: No, she isnt. Shes_m o_r_e_s_

21、e_r_i o_u s_than me.4. Paul / funny/ CarolQ: I_sP_a_ula_sfu_nn_y_a_sCarol?A: No, he isnt. Hes _m o_r_e_f_u_n_n_i_e_r_thanCarol.1. Are you taller?Yes, I am. Im taller now than I was two years ago.2. Are you funnier?Yes, I am. Im funnier now than I was two years ago.3bThink of yourself two years ago.

22、Write about how you are different now.3. Are you more outgoing?Yes, I am. Im more outgoing now than I was two years ago.4. Do you study English harder?Yes, I do. I study English harder now than I did two years ago.5. Do you sing better?Yes, I do. I sing better now than I did two years ago.A: Who is

23、smarter, your mother or your father? B: I think my mother is smarter than my father.3cCompare your parents. Check () who is smarter, funnier, etc. in the chart. Then ask your partner about his / her parents.MotherFathersmartfunnywork hardoutgoingfriendlysing welloldolderf aftater uglyuglierl o wlowe

24、r w h iwt ehiter hothot eryoungyounge rhighhigherlightlighterscuononly scuononl eireI. 将下列形容词变成比较级形式将下列形容词变成比较级形式：I I . 词汇词汇。1. Im short but my sister is _s_h_o r_te r(short).2. My mother has long hair, and my sister haslon g_e_r(long) hair.3. This little baby is _m o_r_e o_u tg oin_g (outgoing)than

25、 that one.4. In some ways we look the same, but in someways we look _d_i_f_f e_r_e_n_t_(不同不同).5. Ann is a veryq_u_i e_t_(安静的安静的) girl,she hardly makes noise.III. 单项选择单项选择。1. The twins Blovely girls.A. are allB. are both C. both are2. I like drawing and I am good _Cit.A. inB. onC. at3. That box is Ct

26、han others.A. more heavier B. heavyC. much heavier4. She is three years C than I am.A. oldB. more oldC. older5. I think a good friend should make me _A.A. laugh B. laughingC. to laughB. longerD. olderfriendly than his brother.A. a little moreC. muchB. a few moreD. a littleA. goodC. betterB. wellD. g

27、ooder6. Lucy is very short, but she is _Cthan her sister.A. shorterC. taller7. Frank is A8. Sam is Cat Chinese than Jim.A. largerC. smallB. largeD. smallerB. well, muchD. nicer, quite9. This one is too large. Can you show me a Done?10. Do you think March is Athan January?Yes, itswarmer.A. better, a littleC. worse, ve