基数词及英文时间表达法.

0 1 2 3 4 zero one two three four 5 6 7 8 9 five six seven eight nine 10 11 12 ten eleven twelve
0至12各相异，一个一个单独记。
13 14 15 thirteen fourteen fifteen 16 17 18 sixteen seventeen eighteen 19 后加teen ，为十几。 nineteen thirteen . fifteen 记仔细，
eighteen 只有一个t.
20 30 40 twenty thirty forty 60 70 80 sixty seventy eighty
50 fifty 90 ninety
20，30到90词尾ty 莫忘记， twenty 不同重点记, forty 剜去字母 u , thirty , fifty 单独 记.
Two awenku.baidu.comd three is five
数词（1）----基数词
1.概念：表示 数目的词叫基数词.
one two three four five six seven eight nine ten
eleven
twelve
thirt een
fourt fifte sixt seve eigh ninet twe een en een ntee teen een nty n sixty seve eight nine one a hundr hundr nty y ty ed ed
注： 分钟数多于30分钟，可用 （60分钟-原分钟数）+ to +（原钟点数+ 1） 表示，其中to是介词，意思是“差”
• 10:35 • • 5:50 • • 9:49 •
twenty-five to eleven (60-35) + to + (10+1) ten to six (60-50) + to + (5+1) eleven to ten (60-49) + to + (9+1)
12:10 9:25 10:30 15:40 twelve ten nine twenty-five ten thirty three forty p.m.
• 6:10 • 4:20 • 10:25 • 11:40 • 13:35
ten past six twenty past four twenty-five past ten forty past eleven thirty-five past one p.m.
I’m in Row one . I’m in class two . I’m live in Room 302 .
1.单项选择. （A）It’s time ____class. A . for B .to C .on （C）It’s time ____. A .go to school B. go school C .to go to school （A）It’s ____(8:30).we must start to work now. A .eight thirty B. eighty-thirty C .thirty -eighty
The Expressions of Time 时间表达法
时间表达有规律，一般规律顺着读 二般规律倒着念，30分钟为界限 小于30past，几点过几分 大于30 要用to，差多少几点钟 半小时用half，15分钟用quarter 上午都用a.m 下午都用p.m
A. 整点，用基数词+o’clock来表 示,注意o’clock须用单数，可以 省略。
8:00 10:00 13:00
eight o’clock a.m. ten o’clock a.m. one o’clock p.m.
exercise
4:00
9:00 13:00 15:00
four o’clock a.m. nine o’clock a.m.
one o’clock p.m.
three o’clock p.m.
B. 非整点，用基数词按小时+分钟的顺 序直接写出时间，后不可加o’clock
• 6:10 • 8:30 • 2:41 • 1:05 • 13:20
six ten eight thirty two forty-one one o five/one five one twenty p.m.
exercise
练习题
(A) What’s the time ? It’s ____. A .nine B .mine C .nice ( B) What ____ ten and eleven ? It’s ___. A .is ,twenty B. is , twenty-one C. are ,twenty-one ( A ) ___is your English teacher ? He is forty . A .how much B .How old C .What
Twent thirt y-one y
forty fifty
101 one hundred and one 236 Two hundred and thirty –six
注意： A.1在数字开头时，既可译成a ,也可译成 one .如： 146 ：a（one）hundred and fortysix 1038：a（one）thousand and thirty-eight
What’s two and three?
Two and three is (are)five.
What’s nine plus six?
Nine plus six is fifteen . It’s fifteen.
How much is forty-one minus thirty-two?
It’s nine.
21 46 63 84
twenty-one forty-six sixty-three eighty-four
35 thirty-five 52 fifty-two seventy-eight 78 ninety-seven 97
十位后面是个位， 表示数词几十几。 连字符号莫丢弃， 写到hundred好成绩。