数词（讲义）-2023-2024学年人教PEP版英语六年级下册

小学英语语法——数词 数词是表示数目多少或顺序先后的词forty fifty sixty seventy eighty ninety one hundred one thousand twenty-one twenty-two twenty-three twenty-four twenty-five twenty-six twenty-seven twenty-eight twenty-nine thirty eleven twelve thirteen fourteen fifteen sixteen seventeen eighteen nineteen twenty 基数词：表示数量 one two three four five six seven eight nine ten 1. 数词+名词: one book, two books; 2. 二年级一班：Class One, Grade Two， 一楼：Floor One； 3. 时间： 1: 00 five o’clock 1: 30 one thirty, half(thirty) past one 2: 45 two forty-five, a quarter(fifteen) to three; 4. one hundred一百/ two hundred两百 hundreds of 数以百计的; one thousand一千/ two thousand两千 thousands of 数以千计的fortieth fiftieth sixtieth seventieth eightieth ninetieth twenty-first(21st) twenty-second(22rd) twenty-third(23nd) twenty-fourth twenty-fifth twenty-sixth twenty-seventh twenty-eighth twenty-ninth thirtieth eleventh(11th) twelfth(12th) thirteenth(13th) fourteenth(14th) fifteenth(15th) sixteenth(16th) seventeenth(17th) eighteenth(18th) nineteenth(19th) twentieth(20th) 序数词：表示顺序 first(1st) second(2nd) third(3rd) fourth(4th) fifth(5th) sixth(6th) seventh(7th) eighth(8th) ninth(9th) tenth(10th) 基数词变序数词变化规则： 基变序，有规律，末尾加上th; 一二三，特殊记；8加h, 9去e; 末尾加上th; ve要用f替，然后加上th;整十数去y改ie，然后加th; 若遇几十几，只变个位就可以。 1. 序数词前面常加the: the first floor; 2. 形容词最高级前要加the: He is the tallest boy. 3. 日期：5月5日 读作：May (the) fifth, the fifth of May 写作：May 5, May 5th, May the fifth, 5 May, 5th May Exercise 1． 写出下列数词的基数词和序数词。 1 ， 2 ， 3 ， 5 ， 8 ， 9 ， 20 ， 21 ， 30 ， 12 ， 2． 翻译英文。 六楼 ， 五年级二班 三楼 ， 三年级四班 3：30 ， 5：45 ， 7：25 ，