國中英語語法之數詞講解與練習
數詞分為基數詞和序數詞。用於表示事物數目的詞稱為基數詞,表示事物順序的詞稱為序數詞。
1.基數詞(1000以內的基數詞的讀法)
365—three hundred and sixty-five
505—five hundred and five
2.基數詞變序數詞的方法:
基變序,有規律;詞尾要加th。
一二三,特殊記;詞尾分別tdd。
八去t ,九去e ;ve則以f替。
ty 則變作 ti ; 後面還有一個e。
要是遇到幾十幾;只將個位變成序。
eg. one—first two—second three—third
eight—eighth nine—ninth twelve—twelfth
twenty—twentieth
twenty-one –-twenty-first
3.數詞的應用:
A、時刻表達法:
a. 整點:基數詞 + o’clock
eg. It’s eight o’clock now.
b. 幾點幾分:
1.直接表達法:先小時後分
eg. 3:25 three twenty-five
2.間接表達法:先分後小時
1)(<30分鐘)用past :分鐘past 小時
eg. 3:25 twenty-five (minutes) past three
2) (30分鐘)用to:(60-分鐘數) to (小時數+1)
eg. 3:35 twenty-five (minutes) to four
3) 30分鐘 = half 15分鐘 = a quarter
eg. 3:30 three thirty = half past three
3:15 three fifteen = a quarter past three.
3:45 three forty-five = a quarter to four
B、日期表達法:月日,年(或日月年)
1949年10月1日 :
October1st , nineteen forty-nine
=the first of October, nineteen forty-nine
2000年: the year two thousand
=twenty hundred
2001年: twenty o one
3月1日: March the first = the first of March
C、表編號:
第207房間:Room 207
第五課: Lesson 5 = the fifth lesson
D、序數詞與不定冠詞(a; an)連用表又一;再一
eg. You’ve done it three times. Why not try a fourth time?
E、分數的`表達:分子(基數)、分母(序數)
eg. one third 三分之一 two thirds 三分之二
注意:1.分子超過1時,分母加s
2.含分數的短語作主語由分數後的詞決定謂語
eg.1)One third of the students are girls.
2)One third of the milk is mine.
3.分數的特殊形式
1)one third = a third
2)one fourth = a quarter
three fourths = three quarters
3)one second = a half
F、一些數詞的複數 + of表約數:
練 習
( ) you go out at night, you’ll be able to see ____ starts.
A. thousands of B. thousand of
C. nine thousands of D. thousands
( )ay is ___ day of the week.
A. first B. the first
C. the second D. second
( )’ve done it twice. Why not try ____ time?
A. third B. the third C. a third D. once
( )h is the____ month? It’s September.
A. nine B. nineth C. ninth D. ninety
( )mber is ___ of the year.
A. the twelfth months B. the twelfth month
C. the twelveth months D. twelve months
( )e are ___ floors in the building and he lives on the ____ floor.
A. eighteen, fifteen B. eighteenth, fifteenth
C. eighteen, fiveteen D. eighteen, fifteenth
( )7.I was born ___, 1982.
A. on June 2rd B. in June 2nd
C. on June two D. on June 2
( )’s ____ from our home to the zoo.
A. two and a half hours’ walk
B. a half and two hours walk
C. two hours and a half hour’s walk
D. two and a half hour’s walk
( ) time is it now? It’s ___ to six.
A. quarter B. a quarter C. quarto C. a quarto
( ) you be back in ____ ?
A. one or two minutes B. one minute or two
C. two minutes or one D. two or one minute
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