《數(shù)詞的用法》PPT課件.ppt

數(shù)詞,數(shù)詞分為基數(shù)詞和序數(shù)詞。,一 基數(shù)詞的構(gòu)成 1 one 11 eleven 20 twenty 2 two 12 twelve 21 twenty-one 3 three 13 thirteen 30 thirty 4 four 14 fourteen 40 forty 5 five 15 fifteen 50 fifty 6 six 16 sixteen 60 sixty 7 seven 17 seventeen 70 seventy 8 eight 18 eighteen 80 eighty 9 nine 19 nineteen 90 ninety 10 ten 100 one/a hundred,基數(shù)詞的讀法,1、百位和十位間用 and 連接, 十位和個位間用 - 連接,three hundred and twenty-one,321,2、右往左數(shù),三位一組,逗號隔開.依次是 thousand(千) 1，000 million (百萬) 1，000,000 billion (十億) 1,000,000,000,1. hundred thousand (表示具體數(shù)字) million billion 2. hundreds thousands (表示概數(shù)) millions (數(shù)以 計) billions,基數(shù)詞的用法-表示數(shù)量,具體數(shù)字+,+ of+復數(shù)名詞,二 序數(shù)詞的構(gòu)成,1st 2nd 3rd fourth 4th 5th sixth 6th seventh 7th 8th 9th,first,second,third,fifth,eighth,ninth,nine,二 序數(shù)詞的構(gòu)成 21 twenty - 21st 22 twenty- 22nd 23 twenty- 23rd 24 twenty-fourth 24th .,first,scond,third,練一練 一 讀出下列數(shù)字 79 103 999 1,302 6,896,203 123,234,438,209 第九 第四十 第五十二 第八十六 第三百零三 _,the three hundred and third,基數(shù)詞的用法,one oclock,ten past two,half past three,twenty to five,a quarter past five,a quarter to seven,seven fifty,表示在幾點鐘用介詞 at,1.表時間 1) 鐘點時間,2) 數(shù)詞表示年 月 日 英語年月日的順序：月 日，年 a. 在 2011年5 月1號 寫作 ：on May 1(st ) , 2011 讀作： on the first of May, two thousand and eleven 或 on May the first, two thousand and eleven b.在1989年9月 寫作 ： in September, 1989,on+日 on+月.日 on+年.月.日,in+月 in+年 in+年.月 in+季節(jié),80 %,基數(shù)詞 + percent（%）,3.78,three point seven eight 小數(shù)點,基數(shù)詞的用法 2：百分數(shù)：,基數(shù)詞的用法3： 小數(shù)：,1）.表示十幾歲用teens指從13歲到19歲。 在某人十幾歲時： in ones teens. 2）.表示 “幾十歲”；用 in ones + 整十數(shù)詞復數(shù)的復數(shù) in ones thirties 表示在某人三十幾歲時 （3039歲）。 在他五十多歲時，寫作_ 3）18歲：eighteen years old 4）一個十八歲的男孩：an 18-year-old boy 5）,in his fifties,數(shù)詞的用法4 年齡：,at the age of +年齡： 在幾歲的時候, The winner is _. He is an _ boy . A. eight-year-old; eight years old B. eight years old; eight-year-old C. eight-years old; eight-year-old He came to China _. A. at the age of 20 B. when he is 20 C. at age of 20,基數(shù)詞的用法4 年齡,基數(shù)詞常與名詞構(gòu)成的合成詞在句中作定語，中間要用連字符 “-”，這個名詞只用單數(shù)形式,a seven-day holiday a three-year-old girl, The river is about _. A. 6,000 meters long B. 6,000-meters-long C. 6,000-meter-long,基數(shù)詞的用法5 ：計量,be + 數(shù)詞 + 量詞 + 形容詞,一倍 once，兩倍 twice， 三倍 three times (三倍或以上： 基數(shù)詞times),基數(shù)詞的用法6：倍數(shù),This box is five times as big as that one. =This box is four times bigger than that one., A + be + 倍數(shù) + as +adj.原+ as +B. A是B的 倍 A + be + 倍數(shù) + adj.比+ than +B. A比B（寬，大，長）倍數(shù),1 5,分子 基數(shù)詞 分母 序數(shù)詞,one fifth,2 7,分子 1 分母 + s,two sevenths,1 4,分子 a 分母 quarter,a quarter,3 4,three quarters,1 2,a half,1 3,three and one third,3,基數(shù)詞 + and + 分數(shù),數(shù)詞的用法7 分數(shù)：,分子用基數(shù)詞，分母用序數(shù)詞，當分子超過“1”時，分母用復數(shù)。,_ of the land in that district _ covered with trees and grass. A. Two fifth, is B. Two fifth, are C. Two fifths, is D. Two fifths, are,C,一般編碼用 名詞 + 基數(shù)詞 207房 三年級一班 第五部分 第一課 3 號汽車 第一中學,Room 207 Class One Grade Three Part five = the fifth part Lesson one = the first lesson Bus No.3 = the No.3 bus No. 1 Middle School,基數(shù)詞的用法8 編號,基數(shù)詞也可以表示順序。 the first lessonLesson One,1）. in the +數(shù)詞的復數(shù) ，意為 在年代， 如:in the nineties 在九十年代 可寫作：in the 90s 2）. in the+序數(shù)詞+century,意為在世紀 如：在19世紀 in the nineteenth century 在十九世紀三十年代 寫作 _,in the 1830s,數(shù)詞的用法9 世紀年代,1.It is not rare in _ that people in _ fifties are going to university for further education. A. 90s, the B. the 90s, / C. 90s, their D. the 90s, their 2. Jack is now in _. the three grade B. Grade Third C. Grade Three 3.-Peter ,how old is your father this year? -_. And we just had a party for his _birthday last week Fortieth , forty B . Forty ,forty C. Forty , fortieth D . Fortieth, forthieth,c,C,C,1. “加”用plus：pls ，and或add表示 How much is two plus three? It is five Two and three is equal to five 2. “減”用 minus：mains How much is ten minus six? 3. “乘” times或者multiplymltiplai 3X4? How much is three four? 4. “除”用divide的過去分詞形式表示 164=? How much is sixteen divided by four?,數(shù)詞的用法10 加減乘除,注：通常序數(shù)詞前面要加定冠詞 the；但出現(xiàn)不定冠詞a或an時，則表示“再一”，“又一”。 Can you give me a second time,人民幣 RMB：yuan 英鎊 GBP： pound(s) 美元 USD: dollar(s) 歐元EUR: euro（s）,常見錢幣單位,jr,?？剂曨} 選擇題 1. - When was he born? - He was born _. A. in 1988 June 6 B. on June 6,in 1988 C. in June 6 , 1988 D. on June 6 ,1988 2. The library in the school isnt large .There are only _books in it. A. six thousand, five hundred and forty-one B. six thousand and five hundred and forty-one C. six thousands five hundred forty and one D. six thousand , five hundreds and forth one 3. Athough I failed four times , my father encouraged me to try a _time. A . two B. four C. third D. fifth,D,A,D,4. The Olympics Games are held _. A. every four years B. every four year C. every fourth years D. every four-year 5. The yellow river is _in China. It goes through many cities in China. A. the second longest river B. the longest scond river C. the second longest rivers D. the longest scond rivers,A,A,6. In our school more than _boys _like English. A. two fifths ; dont B. two fives dont C. two fifths doesnt D. scond five doesnt 7. The car cost me _dollars. A. eight thousands B. eight thousand of C. eight thousands of D. thousand of 8. The war took place _. A. 1720s B. 1720s C. in the 1720s D. the 1720 9. I got a beautiful bike on _birthday. I like it very much. A. fifteenth B. fifteen C. my fifteen D. my fifteenth,A,C,D,A,10 Five minus two_three. A. was B. are C. were D. is,D,102 6500 123456789 第一 第五 第二十一 1/3 2/7 9.8 2：00,作業(yè)：,5：30 5:06 7:58 70 69 在1983年 在20世紀50年代 在1998年4月1號 在9月 在10月1號,January1月 Jan. February2月 Feb. March3月 Mar. April4月 Apr. May5月 May. June6月 Jun. July7月 Jul. August8月 Aug. September -9月 Sept. O