4.不规则的序数词如下: the first, the second, the third, the fifth, the eighth, the ninth, the twelfth
三.数词的用法:
1.编号的事物可用序数词或基数词加名词构成, 如: the fourth lesson =lesson four, the fifteenth page =page fifteen, the ninth part =part nine
2.编号的事物若数字较大, 一般用基数词放在名词后面来表示, 名词前一般不用定冠词, 如: room 302, page 215, No. 101 middle school
3.在表示年月日时, 年用基数词, 日用序数词, 年的读法是, 从后往前, 将年份分成两位一段, 依次读出每一段即可, 如: April 5,1976 读作April (the) fifth, nineteen seventy-six; October 1, 1949读作October the first, nineteen forty-nine; 年份1905读作nineteen hundred and five; 年份1800读作eighteen hundred; 年份2000读作year two thousand; 年份502 B.C.读作five o two B C; 年份A.D. 620读作six twenty A D
4.表示时间时用基数词:
①.表示几点整的说法: It is five (oclock)
②.表示几点过几分的说法: 若不超过30分钟, 用past表示过几分; 若超过30分钟, 用to表示差多少分到几点, 如: 3:05 =five past three, 5:20 =twenty past five; 8:35 =twenty-five to nine; 12:50 =ten to one
③.表示几刻钟的说法, 如: a quarter, three quarters
④.表示上午,下午某时间, 如: 8:00 a.m., 4:15 p.m.
⑤.时刻也用24小时制读法, 只须依次读出点钟数和分钟数, 整点钟时, 需在最后加读hundred ( hours), 如: 18:45读作eighteen forty-five, 18:00读作eighteen hundred ( hours ), 以上提到的3:05, 5:20, 8:35分别也可读作three five, five twenty, eight thirty-five
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