公開課教案 (10)

1、冠詞的基本用法【教學目標】學習并掌握冠詞的意義和用法。靈活運用不定冠詞、定冠詞及零冠詞，提高學生的解題技能。注意發(fā)現(xiàn)語言的規(guī)律并運用規(guī)律舉一反三?！緦W情分析】冠詞是英語中的特有的詞類。由于漢語中沒有與之對應的詞，學生對其用法感到難以掌握。如：冠詞的泛指與特指用法的區(qū)別；不可數(shù)名詞前面的冠詞用法；單數(shù)可數(shù)名詞前的冠詞用法；不定冠詞a,an與定冠詞the相混淆的錯誤使用；固定搭配中的冠詞錯誤等等為學生常見的失誤【教學重點和難點】1.不用冠詞的情況2.定冠詞的使用情況3.不定冠詞常用的幾種情況4.冠詞表類別的常見方式5.冠詞位置問題【教學過程】1.不用冠詞的情況（1）專有名詞、物質名詞、抽象名詞、人

2、名、地名等名詞前，一般不加冠詞。China, America, SmithAir is matter.（2）可數(shù)名詞前有物主代詞、指示代詞、名詞所有格等限制時，不加冠詞。This dictionary is mine.（3）季節(jié)、月份、星期、節(jié)日、假日、一日三餐名稱前一般不加冠詞。March, May Day, National Day, Childrens Day, Womens Day Have you had supper?Spring is the best season of the year.（4）稱呼語或指家用雇用的nurse、cook等名詞前及表示頭銜職務的名詞作賓語、補語及同

3、位語時，一般不加冠詞。Whats this, Father? We made him our chairman.Ask nurse to put the child to bed. Professor Li.（5）學科名稱、球類、棋類名稱前不加冠詞。Do you study physics?He likes playing football/chess.（6）復數(shù)名詞表示泛指一類人或事物時前不用冠詞。They are peasants/ workers.（7）在與by連用的交通工具名稱前不加冠詞。by car, by bus,by bike, by train, by air/ water/

4、land但：take a bus, come in a boat, on the train/ bus需注意。（8）某些固定詞組中不用冠詞。名詞詞組中： husband and wife, brother and sister, body and soul, day and night, knife and fork介詞詞組中：to(at, from) school, in (to)class, in (to,at, from)university（college）,to（in, into, from）church, to(in,into, out of)prison(hospital, be

5、d), to(at, from, out of)work, to(in, from) town,at (from)home, to(at)sea, at night(noon, midnight), by car (bus, bicycle, plane), on foot注意：在有些詞組中，有無冠詞含義不同。in hospital 住院（因?。?in the hospital在醫(yī)院（工作、參觀等） in front of在前面，指某物體之外in the front of在前部，指某物之內in charge負責，主管 out of question沒問題in the charge由負責 out

6、 of the question不可能（9）as引導的讓步狀語從句中，作表語的名詞不帶冠詞。Child as she is, she knows a lot of French.（10）系動詞turn（作“變成”解）后作表語的單數(shù)可數(shù)名詞前習慣不用冠詞。The young girl has turned writer.= The young girl has become a writer.（11）在單數(shù)名詞 + after + 同一單數(shù)名詞（表示“一個接一個”）結構中，單數(shù)可數(shù)名詞前不加冠詞。She did experiment after experiment.類似的還有：shop aft

7、er shop, mistake after mistake（12）形容詞的最高級前、序數(shù)詞前也有不用定冠詞的情況?！癿ost + 形容詞原級”作“十分、非常、極”解時，前面不用定冠詞。Oh, its most beautiful.當兩個形容詞最高級并列修飾同一個名詞時，第二個形容詞前通常不用定冠詞。She is the tallest and fattest girl in our school.當形容詞最高級作表語，不表示與其他人或物相比時，其前不用定冠詞。The market in the country is busiest in winter.形容詞最高級前有名詞所有格或物主代詞時，

8、不能用定冠詞。A wolf in a sheeps skin is our most dangerous enemy.序數(shù)詞前面一般加定冠詞表示“第”之意，但在second、third等詞前加不定冠詞表示“又一，再一”之意。why you took a second arrow注意：下句中“a first”表示“第一名、冠軍”。He is a top student in our class; he often gets a first in maths.（13）no與such連用時應放在such之前，such后面的名詞不用冠詞。No such thing has ever happened

9、in this village.（14）never、ever置于作主語的名詞前，這些名詞前不用冠詞。Never did student study so hard.這個學生從未學得這么認真。（15）有時為了節(jié)省空間、時間、金錢和精力，或為了引起注意力，省去a(n)或the,這主要用于新聞標題、工商業(yè)文件、廣告、電報、公告、提綱、書名等。Conference opens.會議召開了。2.定冠詞的使用情況（1）使用定冠詞的一般情況。特指或第二次提到。序數(shù)詞前、最高級前、獨一無二的東西前。用于表示發(fā)明物的單數(shù)名詞前或某些專有名詞前。（2）定冠詞使用特殊的場合。 He hit him in the f

10、ace.beat sb. on the nose, take sb. by the arm, pat sb. on the head the rich, the poor, the wounded 富人，窮人，傷員 the elder of the two, he more beautiful of the two兩者中較年長的一位，較漂亮的一個 The sooner, the better.越快越好。 He got paid by the hour.他是按小時付工錢的。by the yard/the dozen/the month/the year但：by weight按重量 in the

11、50s /in the 1870s（表示年代） the Smiths/the Whites（表示一家人或夫婦倆） in the water/field/light/shade/distance/middle/country/rain tell the truth/on the other hand/on the way home 當抽象名詞表示某一特定內容，特別是當它有一限定性修飾語時，它與定冠詞連用：She is fond of music.He is playing the music written by Beethoven.Good advice is beyond price.Im

12、sorry not to have taken the advice he gave.3.不定冠詞常用的幾種情況（1）表示“一”相當于“one”。Ill return in a day or two.（2）表示“每”相當于“per”。We have three meals a day.（3）表示“同一性”相當于“the same”。The children are of an age. （4）表示類指，表示“某類”。He wants to he a doctor.（5）表示泛指，相當于“any”。A horse is a useful animal.（6）表示某一個，相當于“a certain

13、”。A Mr. Smith is asking to see you. （7）與抽象名詞連用，可以表示“一場、一次、一件”，如：a pleasure一件樂事，a surprise一件令人驚訝的事，a joy一件高興的事，a pity一件遺憾的事，an honour一個（件）經以為榮的人(事)。（8）與物質名詞連用，表示“一種，一陣、一份”。What a heavy rain!What a good supper!Please give me a black coffee!4.冠詞表類別的常見方式（1）定冠詞 + 單數(shù)可數(shù)名詞，表示一個，代表一類。The computer was invente

14、d in 1945.The TV set was invented by Joan Baird.The horse is a useful animal.（2）不定冠詞 + 單數(shù)可數(shù)名詞（表示任意一個，某一個）。A pen is a tool for writing.A square has four sides.A horse is a useful animal.注意：man, woman表示泛指時，不用冠詞，且常用單數(shù)。如：Man is fighting a battle against pollution.Man tries to be the protector of woman.（

15、3）可數(shù)名詞或不可數(shù)名詞，指類別（考慮到同類中的各個情況）。Horses are useful animals.Rice is a kind of food.5.冠詞位置問題（1）不定冠詞 + 副詞 + 形容詞 + 名詞。This is a very interesting story.（2）such、what、both、all、quite、rather +不定冠詞+形容詞+名詞。Ive never seen such a film!Half a pound of pork,please!What a good idea it is!（3）as、so、too、how、however、enoug

16、h+形容詞+不定冠詞+名詞。It is as pleasant a day as I have ever spent.I cant finish the task in so short a time.This seems not too long a distance.We wonder how difficult a problem he worked out.However low te price you paid,you waste your money.He is brave enough a hunter to kill the bear.（4）定冠詞位置。half、twice、

17、three times + the + 名詞He paid twice the price for it.Their house is three times the size of yours.all、both、double + the + 名詞Both the blind men were mistaken.All the students in our class are eager to know the secret.I offered him double the amount, but he still refused.【課堂練習】句子改錯：下面各句A, B, C, D中有一處錯

18、誤，請指出并改正。1. May is a fifth month of the year. A B C D2. The film has been on for half a hour. A B C D3. The boys and the girls often play the foot ball in the afternoon. A B C D4. It looks rain. Why not take a umbrella with you? A B C D5. Li Mei often gives us some good information by the e-meil. A

19、B C D6. Weve planted two hundreds trees in the centre of our city this year. A B C D7. Five million of dollars is a lot of money. A B C D8. There are thousand of children in the park now. A B C D9. By the end of twenty century, the world population had passed six billion. A B C D10. Over three fifth

20、 of the worlds books and newspapers are written in English. A B C D【練習答案】 1.B athe 2.D aan 3.C 去掉the 4.C aan 5.D去掉the 6.B two hundredstwo hundred 7.B 去掉of 8.B thousandthousands 9.B twentytwentieth 10.A three fifththree fifths 【家庭作業(yè)】.單項填空 1. This morning I had _ egg and a bottle of milk for my breakf

21、ast. A. an B. a C. the D./ 2. -Whats the matter with you? -I caught _ bad cold and had to stay in _. A. a;/ B. a; the C. a; a D. the; the 3. -Have you seen _ pen? I left it here this morning. -Is it _ black one? I think I saw it somewhere. A. a; the B. the; the C. the; a D. a; a 4. _ sun is shining

22、brightly. A. A B. An C. The D. / 5. There is _ “h” in the word hour. A. a B. the C. an D./ 6. Did you enjoy your stay in Xian? Yes. I had _ wonderful time. A. a B. an C. the D. / 7. _ sun is bigger than _ earth. A. A; the B. A; an C. The; an D. The; the 8. There is _ apple and some pears on the tabl

23、e. A. the B./ C. a D. an 9. David has _ cat. Its very nice. A. a B. an C. the D./ 10. Im reading _ novel. It is _ interesting story. A. a; an B. a; a C. the; the D. /; an 11. It is said that SARS has killed more than _ people worldwide. A. three hundreds B. three hundreds C. three hundreds D. three

24、hundred 12. -How many workers are there in your factory? -There are two _. A. hundreds B. hundred C. hundred of D. hundreds of 13. -Which is the smallest number of the four? -_. A. Two-thirds B. A half C. A quarter D. Three-fourths 14. -What do you think of a war, Li Ming? -Ive no idea. But its a fact that _ people had to leave their hometown during the War on Iraq