不定冠词的基本用法不定冠词的主要功用为非特指、

1、不定冠词的基本用法: 不定冠词的主要功用为“非特指”、“泛指”。即指某类人或物的任何一个或某个。它有意义相同的两个形式：a 和an,a 用于辅音前，读作; an 则用于元音前，读作. 1) 表示“一个”这个数量，意思和“one”相当。如： Rome was not built in a day. 罗马不是一天建成的。（谚语） Id like an apple. 我想要一个苹果。 A stitch in time saves nine. 及时（缝）一针顶十针。（谚语） 这种用法在某些表示重量、长度、时间等的词中特别普遍。如： a pair of socks 一双袜子 a hundred 一百 t

2、wo yuan a metre 两元一米 at a glance 一瞥 eight hours a day 一天八小时。 twice a week 一周两次 a cup of coffee 一杯咖啡 a handful of rice 一把米 at a blow 一下子 at a stretch 一鼓作气 one at a time 每次一个 in a word 一言以蔽之 当用复数来表示时,则用some或any. 如: Id like some apples. I dont want any apples. 因此,当不定冠词强调数量概念时,some 和any常被看作是a/an的复数形式. 2

3、) “任何一个,” 如: Pass me a pencil, please. 请递一支铅笔给我.(任何一支铅笔) 3) “某一个 ” 如: A man called you just now. 一个人刚刚给你打电话. She has just graduated from a Beijing university. 他刚从北京一所大学毕业. 4) “一类”. 此用法同定冠词表示类别的用法是一致的. A child needs love. 儿童需要爱. The dog is mans best friend. 狗是人类最好的朋友. 另：有时序数词前也用不定冠词a或an，其 汉译为“再一次（一个）

4、”。如：I lost the first two games, but I want to try a third.前两盘我输了，但我想再试一盘。5) a/an与one的区别: 不定冠词a/an强调数量概念时相当于one,二者可互相替换使用. eg: a/one hundred a/one third a/one dollar a/one metre 但是, a/an 与one之间也有区别,在许多情况下二者不能相互替换使用: a) one不能指“任何一个”.如: A knife is no good, you need a screwdriver to do the job properly.

5、 一把刀不行,你干这活需要一把螺丝刀合适. b) 当强调“只有一个时,”只能用one. 如: There is only one apple left, there were plenty in the morning. c) one 经常与day, week, month, year, summer, winter 等连用,用来讲故事或描述过去发生的事情. 如: One day, many years later, I found out what had really happened. 许多年后的一天,我弄明白了真正发生的什么事情. One winter the snow fell ea

6、rly. 一年冬天雪下得早. 另外, one day 也可以表示“将来某一天”. .“总有一天.” 如: One day youll be sorry you treated him so badly. 总有一天,你会后悔, 你对待他是那样恶劣. d) one 可以与another/others 连用,强调与“另一个(些)” “相对的一个.”如: One boy wanted to read, another/others wanted to watch TV . 一个男孩想读书,另一个/另一些想看电视. Fill in the blanks with a, an or the(1)_ bab

7、y _ desk _bird _village _knife _useful book _university _zoo _driver(2) _orange _ear _ eye _animal _excuse _aunt _interesting story _ important meeting(3) in _ morning all over _ world in _ south go to _ cinema at _ same time in _ daytime(4) by _bus play _ basketball have _ lunch in _ summeraaaaaaaa

8、aananananananananthethethethethethe/(5) We can see _ sun in the daytime, and we can see _ moon at night.(6) His father is _ English teacher. He works in _ middle school in Guangzhou.(7) Mr. Brown wants to buy _ house. He wants to buy _ old house, not _ new one.(8) He has two children, _ son and _ da

9、ughter. _ son is _ soldier. _ daughter is _ doctor.(9) Winter is _ coldest season of the year.(10) _ Smiths are having supper.(11) On _ Childrens Day, they all went to _ park.(12) _ young like to help others.thetheanaaanaaaTheaTheatheThetheThe/Choose the best answers.1. English is _ useful language.

10、 A. a B. an C. the 2. There is _ “S” in the word “bus”. A. the B. an C. a3. _ sun rises in _ east. A. An, a B. The, an C. The, the4. Mr. King has arrived in _ China. Hes going to visit _ Great Wall. A. X, X B. the, an C. X, the5. Is _ your favourite sport? A. a football B. football C. the football6.

11、 This picture is _ most beautiful of all. A. the B. a c. XABCCBA7. Beijing is _ old city. Its _ capital of China. A. the, the B. an, a C. an, the8. Take _ third turning on _ left. A. the, a B. X, the C. the, the9. On _ Sundays I stay in _ bed till eight. A. a, a B. the, a C. X, X10. _ Browns have be

12、en to China twice. A. X B. A C. The 11. Yesterday I went town _. A. by a bus B. by bus C. by buses12. _ bike near _ tree is mine. A. A, a B. The, a C. The, theCCCCBCRead this passage and fill in the blanks with a, an or the. _ famous scientist flew to England for his holiday. One day he went to _ university by boat. On_boat he spoke to _ young farmer and asked him what he had studied at school. When he found out that _ young farmer didnt know history,scienceor geography, he said, “My poor friend, youve lostthree quarters of your life.” As he said t