掌握基數(shù)詞和序數(shù)詞的用法

1、 數(shù)詞（一）主講老師：主講老師： 黃岡黃岡 吳靜吳靜數(shù)數(shù)詞詞基數(shù)詞基數(shù)詞 序數(shù)詞序數(shù)詞數(shù)量數(shù)量順序順序重點內(nèi)容：1. 112, 獨立成詞。獨立成詞。 one two three four five six seven eight nine ten eleven twelve2. 13-19, 由由39 + teen構(gòu)成。構(gòu)成。 14fourteen 16-sixteen 17-seventeen 19nineteen 特殊拼寫特殊拼寫: 13 thirteen 15-fifteen 18eighteen 3. 2090, 以以-ty結(jié)尾。結(jié)尾。 20twenty 30-thirty 40for

2、ty 50fifty 80-eighty 60-sixty 70-seventy 90ninety 4. 2199， 兩位數(shù)，十位與個位之間有兩位數(shù)，十位與個位之間有 “”。 21 twentyone 55 fiftyfive 99 ninetynine5. 101999，三位數(shù)，百位與十位，三位數(shù)，百位與十位/個位之間加個位之間加and。 101 one hundred and one 840 eight hundred and forty 693 six hundred and ninety-three基數(shù)詞的構(gòu)成基數(shù)詞的構(gòu)成529, 43150076 ,thousandhundredmi

3、llionbillionand6. 1，000以上數(shù)目以上數(shù)目,從右向左每三位用從右向左每三位用“，” 分開分開,分別讀為分別讀為thousand , million, billion 基數(shù)詞的構(gòu)成基數(shù)詞的構(gòu)成1、表示、表示具體具體數(shù)目數(shù)目,hundred, thousand, million不用復(fù)數(shù)不用復(fù)數(shù). 表示表示不確定不確定數(shù)目數(shù)目,用用復(fù)數(shù)。復(fù)數(shù)。即即hundreds of(數(shù)百數(shù)百), thousands of(數(shù)千數(shù)千), millions of(數(shù)百萬數(shù)百萬)+ 名詞復(fù)數(shù)名詞復(fù)數(shù), 可以用可以用many/several修飾，但不能與具體數(shù)目連用。修飾，但不能與具體數(shù)目連用。 (

4、1) Our country has a population of 1,300 million people. (2) There are three thousand students in our school. (3) After the war, thousands of people became homeless. (4) Several / Many thousands of trees must be planted every year.基數(shù)詞的用法72、 “幾十幾十”的復(fù)數(shù)形式可以表示：的復(fù)數(shù)形式可以表示： 幾十多歲幾十多歲 - in + ones + 數(shù)詞復(fù)數(shù)數(shù)詞復(fù)數(shù)

5、年年 代代 - in + the +數(shù)詞復(fù)數(shù)數(shù)詞復(fù)數(shù) (1) He died in his forties四十多歲四十多歲 (2) In the nineties, most people go to work by bike. 90年代年代3、“基數(shù)詞基數(shù)詞+名詞名詞” 的的合成形容詞合成形容詞作定語，作定語， 中間有連字符中間有連字符“”,當中的名詞用當中的名詞用單數(shù)單數(shù)。 a 3 year old girl a seven-day holiday 4、表計量、表計量- “基數(shù)詞基數(shù)詞+度量單位度量單位+形容詞形容詞” The classroom is 7 meters long, 6 m

6、eters wide and 3 meters high.5. 時刻表示法順讀法-先時后分, “幾點幾分” 9:30 nine thirty 6:21 six twenty-one 逆讀法逆讀法-先分后時先分后時1. 幾點鐘 5:00 讀作 five oclock 2. 幾點過幾分 five past seven 七點過五分half past six 六點半a quarter past eight 八點過一刻3. 幾點差幾分 ten to eight 差十分八點a quarter to twelve 差一刻十二點twenty to six 差二十分六點 (廣東) It is said that

7、 there will be _ people visiting the exhibition. A. five hundred B. five hundreds C. five hundred of D. hundreds 解析分析句子意義可知，本題考查數(shù)詞修飾名詞的應(yīng)用。題中名詞前用數(shù)詞修飾時，表示單位的數(shù)詞不能用復(fù)數(shù)形式。故正確答案為A。(定西）_ girls took part in the Happy Girl Competition but only few of them succeeded. A. Million of B. Many million of C. One mil

8、lion of D. Millions of 解析million后跟of時一定要用復(fù)數(shù)形式，表示成千上萬的，許多的。11序數(shù)詞的構(gòu)成序數(shù)詞的構(gòu)成(1) 13, first, second, third 。(2) 419, 相應(yīng)基數(shù)詞相應(yīng)基數(shù)詞+th, 特殊拼寫特殊拼寫:fifth, eighth, ninth, twelfth。(3) 2090, y變成變成ie +th,如如twentieth。(4) 2199, 只把個位的基數(shù)詞變成序數(shù)詞只把個位的基數(shù)詞變成序數(shù)詞 如如twenty-first。(5) 序數(shù)詞縮寫序數(shù)詞縮寫-數(shù)字最后兩字母數(shù)字最后兩字母 如如1st, 2nd, 3rd ,4t

9、h12基變序基變序,有規(guī)律有規(guī)律,一、二、三，特殊記，面目全非要注意，一、二、三，特殊記，面目全非要注意，加加th從從4起，起，八少八少“t”，九去，九去“e”，“ve”要用要用“f”替，替，(five, twelve)見見“y”變成變成“i”和和“e”，詞尾加上，詞尾加上“th”，(twenty, thirty,ninety)若是遇到幾十幾，只變個位就可以。若是遇到幾十幾，只變個位就可以。序數(shù)詞縮寫記清楚序數(shù)詞縮寫記清楚,數(shù)字后跟兩字母。數(shù)字后跟兩字母。(序數(shù)詞構(gòu)成規(guī)律)13序數(shù)詞的用法序數(shù)詞的用法(1)序數(shù)詞作定語，前面要加序數(shù)詞作定語，前面要加the； The first truck i

10、s carrying a food basket John lives on the fifteenth floor She is my first English teacher.(2)有時加有時加a/an，“再一再一”，“又一又一” 的意的意思思Well have to do it a second time Shall I ask him a third time？They had a second child in 1988.(重慶)I got a beautiful bike on _ birthday. I like it very much. Afifteenth Bfiftee

11、n Cmy fifteen Dmy fifteenth 解析考查序數(shù)詞作定語。句意為“在我十五歲生日的時候，我得到了一輛漂亮的自行車，我非常喜歡它?！备鶕?jù)句意可知是第十五個生日，序數(shù)詞作定語時，其前要加the或形容詞性的物主代詞。(聊城) Please turn to page _ and look at the _ picture in this unit. A. twentieth; one B. twenty; one C. twentieth; first D. twenty; first 解析很顯然，本題考查數(shù)詞的用法。句意為：請翻到第20頁，看這個單元的第一幅圖片。表示順序時使用“名詞+基數(shù)詞”或使用“the + 序數(shù)詞 + 名詞”，因此D項為正確答案。(自貢)Have you seen the CCTV news on TV? Yes, _ children had a good festival on the _ Childrens Day. Amillions of; sixty Bten millions; sixtieth Cmillions of; sixtiet