人教版八年級(jí)英語(yǔ)上冊(cè)《Unit 3 Section A 3c》教學(xué)課件PPT初二優(yōu)秀公開(kāi)課

1、Unit 3 Section A Grammar Focus-3c人教版 英語(yǔ) 八年級(jí) 上冊(cè) 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.根據(jù)句意填入單詞的正確形式根據(jù)句意填入單詞的正確形式：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唱歌比唱歌比賽賽比比唱得唱得好好 頭發(fā)較短的那頭發(fā)較短的那個(gè)個(gè) 比比唱得清唱得清楚楚比比跳得跳得好好 更多地練更多地練習(xí)習(xí)重要的是學(xué)到東重要的是學(xué)到東西西重要的是得到重要的是得到快快樂(lè)樂(lè) 比較你的父比較你的父母母翻譯下列短語(yǔ)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.形容詞的原級(jí)和比形容詞的原級(jí)和比較較1.1.什么是形什么是形容容級(jí)級(jí)詞的詞的原級(jí)原級(jí)？表示修飾兩種東西的程度是一樣的表示修飾兩種東西的程度是一樣的, ,用用 as as表示原級(jí)表示原級(jí)，譯為，譯為:“:“和和一樣一樣”。 2.2.什么是形什么是形

8、容詞的容詞的比較級(jí)比較級(jí)？表示兩者相比，一個(gè)比另一個(gè)更表示兩者相比，一個(gè)比另一個(gè)更，有比較，有比較級(jí)級(jí) 的句中有的句中有than, ,且僅限于兩者比較且僅限于兩者比較。原級(jí)和比較級(jí)區(qū)分程度的不同原級(jí)和比較級(jí)區(qū)分程度的不同：原級(jí)原級(jí)是說(shuō)明兩個(gè)人物或事物的程度是說(shuō)明兩個(gè)人物或事物的程度一樣一樣。比較級(jí)比較級(jí)是區(qū)分兩個(gè)人物或事物的程度是區(qū)分兩個(gè)人物或事物的程度不不一一 樣樣。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 級(jí)級(jí)當(dāng)兩個(gè)人或兩件事物進(jìn)行比較時(shí)，形容詞和當(dāng)兩個(gè)人或兩件事物進(jìn)行比較時(shí)，形容詞和副副 詞要用比較級(jí)，也就是詞尾詞要用比較級(jí)，也就是詞尾-er形式，比較級(jí)形式，比較級(jí)常常 常用常用than來(lái)連接被比較的兩個(gè)人或事物來(lái)連接被比較的兩個(gè)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.(藍(lán)車(chē)比紅車(chē)更可愛(ài)藍(lán)車(chē)比紅車(chē)更可愛(ài))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形容詞比較級(jí)的構(gòu)形容詞比較級(jí)的構(gòu)成成1.1.構(gòu)成的規(guī)則變化構(gòu)成的規(guī)則變化:2.2.構(gòu)成的不規(guī)則變構(gòu)成的不規(guī)則變化化:short -shorter small

11、-smallernice-nicersafe-safer-heavyheavierhappyhappierbigthinbiggerthinner1. 構(gòu)成的規(guī)則變化構(gòu)成的規(guī)則變化:1) 單音節(jié)詞和少數(shù)雙音節(jié)詞一般在詞單音節(jié)詞和少數(shù)雙音節(jié)詞一般在詞尾尾后加后加-er 構(gòu)成比較構(gòu)成比較級(jí)級(jí) 或或-est構(gòu)成最高級(jí)構(gòu)成最高級(jí). 如如： 原原級(jí)級(jí)比較比較級(jí)級(jí)最高最高級(jí)級(jí)cold colder coldest bright brighterbrightestyoung younger youngest2) 以字以字母母 e 結(jié)尾的詞只結(jié)尾的詞只加加 r 或或-st 構(gòu)成構(gòu)成比較比較級(jí)級(jí) 和和最高級(jí)最高

12、級(jí)。原原級(jí)級(jí)比較比較級(jí)級(jí)最高最高級(jí)級(jí)nice nicer nicest finefiner finest large larger largest3)3)重讀閉音節(jié)詞末尾只有一個(gè)輔音字母時(shí)，先雙重讀閉音節(jié)詞末尾只有一個(gè)輔音字母時(shí)，先雙寫(xiě)寫(xiě) 這這個(gè)輔音字母，再加個(gè)輔音字母，再加-er或或-est。如如: big bigger biggest thin thinner thinnest4)4)以以“輔音字母輔音字母+ y”結(jié)尾的雙音節(jié)詞，先改結(jié)尾的雙音節(jié)詞，先改y為為i，再再 加加-er或或-est。如。如：easy easier easiesthappy happier happiest5) 多

13、音節(jié)詞和部分雙音節(jié)詞在詞前加多音節(jié)詞和部分雙音節(jié)詞在詞前加more或或most。如如：delicious more delicious most delicious interesting more interesting most interesting important more important most important2. 構(gòu)成的不規(guī)則變化構(gòu)成的不規(guī)則變化: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講述兩者有差異，第一個(gè)人物超過(guò)第二個(gè)人物時(shí)講述兩者有差異，第一個(gè)人物超過(guò)第二個(gè)人物時(shí)用用 比較級(jí)。比較級(jí)。基本句型基本句型：主語(yǔ)主語(yǔ)(A)+謂語(yǔ)動(dòng)詞謂語(yǔ)動(dòng)詞+形容詞形容詞/副詞比較副詞比較級(jí)級(jí)+than+主語(yǔ)主語(yǔ)(B)+e.g. A modern train is faster than a car.現(xiàn)代的火車(chē)比轎車(chē)快多了現(xiàn)代的火車(chē)比轎車(chē)快多了。This book didnt cost me more than that one.這本書(shū)花費(fèi)我的錢(qián)不比那本多這本書(shū)花費(fèi)我的錢(qián)不比那本多。比較級(jí)的

15、用比較級(jí)的用法法在形容詞比較級(jí)前還可用在形容詞比較級(jí)前還可用much, even, still, fara little來(lái)修飾，表示來(lái)修飾，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.“比較級(jí)比較級(jí)and比較級(jí)比較級(jí)”意為意為“越來(lái)越越來(lái)越”多音節(jié)比較級(jí)用多音節(jié)比較級(jí)用“more and more形容詞原級(jí)形容詞原級(jí)”形式。如形式。如：Its getting

16、 worse and worse.The group became more and more popular.“Which / Who is + 比較級(jí)比較級(jí)？”比較比較A、B兩事物兩事物,問(wèn)其中哪一個(gè)較問(wèn)其中哪一個(gè)較時(shí)用此句型。如時(shí)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+比較級(jí)比較級(jí).，the+比較

17、級(jí)比較級(jí). “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使用形容詞比較級(jí)時(shí)需注意以下幾點(diǎn)使用形容詞比較級(jí)時(shí)需注意以下幾點(diǎn)：1）than后面接代詞時(shí)后面接代詞時(shí), 一般要用主格形式，但在口語(yǔ)中一般要用主格形式，但在

18、口語(yǔ)中也也 可使用賓格形式可使用賓格形式。 如如：My brother is taller than I/me.2 ） 當(dāng)需要表示一方超過(guò)另一方的程度時(shí)，可以用當(dāng)需要表示一方超過(guò)另一方的程度時(shí)，可以用much,a lot, a little, a bit, even, still等來(lái)修飾形容詞比較級(jí)等來(lái)修飾形容詞比較級(jí)。 注意注意: 比較級(jí)不能用比較級(jí)不能用very, so, too, quite等修飾。如等修飾。如：He is much more serious than Sam.3） 形容詞比較級(jí)后面往往用連詞形容詞比較級(jí)后面往往用連詞than連接另一個(gè)比較連接另一個(gè)比較的的人或事物人或事

19、物, 但在上下文明確的情況下但在上下文明確的情況下, 形容詞比較級(jí)可形容詞比較級(jí)可單單 獨(dú)使用。如獨(dú)使用。如：M y sister is tall, but my aunt is taller.我姐姐個(gè)子高我姐姐個(gè)子高, 但我姑姑個(gè)子更高但我姑姑個(gè)子更高。4） 進(jìn)行比較的人和物必須是同一類(lèi)進(jìn)行比較的人和物必須是同一類(lèi)。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. 將下列形容詞變成比較級(jí)形式將下列形容詞變成比較級(jí)形式：I I . 詞匯詞匯。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_(安靜的安靜的) girl,she hardly makes noise.III. 單項(xiàng)選擇單項(xiàng)選擇。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