【最新】英语语法EnglishGrammar

• 类别:
1. 一般表示法 one fourth two third
2. 其他表示法 two and three fifths a (one) half a (one) quarter three quarters
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分数词的作用
1.作主语
A quarter of the students are from England.
一箭双雕
• A fall into the pit, a gain in your wit.
吃一堑，长一智。
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Translation
• at sixes and sevens
乱七八糟
• on second thoughts
再三考虑
• by ones and twos
三三两两地，零零落落地
4.作表语
They are altogether fourteen. 他们一共十四个人。
5.作同位语
There is a room for you two. 有你们两人的房间。
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Task 1.3
Ordinal Numbers
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序数词的构成
1. 以与之相应的基数词加词尾-th构成 six — sixth four—fourth ten — tenth
他的数学分数在班上名列前茅。
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Translation
• I always believe my sixth sense.
我总相信我的直觉。
• He talks about you nine times out of ten when we have a chat.
每次我们闲聊他几乎都谈及你。
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基数词的构成（二）
1. 20--100之间各数词要在十位和个位之间加连字符 号
“-”。
22 twenty-two 99 ninety-nine
2. 三位数数词要在百位和十位（若无十位则和个位）之 间加and。
157 one hundred and fifty-seven 208 two hundred and four
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分数词的作用
4.作定语
It’s one-twentieth the thickness of a human hair.
它相当于人头发丝的1/20（那样粗细）。 5.作状语
This room is one tenth larger than that one.
这个房间比那个房间大1/10。
2. 特殊形式
one—first two—second three—third
3. 缩写形式 阿拉伯数字+序数词的最后两个字母。
first—1st
second—2nd
2021/t2h/2 ird—3rd
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序数词的用法
1.作主语
The first is his.第一个是他的。
2.作宾语
Please pass me the third. 请递给我第三个。
计算机价格降低了24%。
• The output of cars in China this year is
48 per cent more than in 2001. 今年中国小汽车产量比2001年上升了 48%。
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Task 1.5 Fractions
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分数词的形式
8-2=6 8×5=40 15÷3=5
Eight minus two is six. Eight times five is forty. Fifteen divided by three is five.
15×10=？ How much is fifteen times ten?
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小数的用法
• 作定语：
• The number of college students is now 2.8 times that of 1998 in our college.
• 我们大学现在的学生人数是1998年的2.8 倍。
• Its capacity was 4.3 times as great as that in
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Translation
• He had one over the eight after be drank only half bottle of the wine.
他才喝了半瓶酒就醉得七歪八倒了。
• Two heads are better than one.
三个臭皮匠胜过诸葛亮。
1981. 它的生产能力为1981年生产能力的4.3倍。
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Task 1.7 Multiples
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倍数
• 通常用time表示倍数
• The earth is 49 times the size of the moon. 地球的大小是月球的49倍。
• The output of computers was more than 3 times greater.
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Task 1.1
The classification of numbers
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Contents
1. The classification of numbers
2. Cardinal numbers
3. Ordinal numbers
4. Percentages
5. Fractions
基数词的用法
1.作定语
The nine girls are from Beijing. 这九个女孩是北京人。 2.作主语
Eight is a good number. 8是个好数字。
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3.作宾语
How many do you want? Five, please.
你要多少？ 五个。
• 计算机产量增长了3倍多。
• It is 8 times as big as Japan. • 它有日本8倍大。
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Task 1.8 Additional Information
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年份、月份、日期、时刻
1.年份（年份是四位数字时，一般分为 两位来读），表示年份用介词in 1985年 nineteen eighty-five 1990年 nineteen ninety 2000年 two thousand 2006年 two thousand and / o six
英语语法
English Grammar
Unit 2
Numbers
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Study objectives Warm-up activity Unit 3 Numbers
Study objectives
describe the definition of numbers
classify the classes of numbers
Warm-up Activity
Let’s do some warm-up exercises!
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Translation
• a drop in the ocean
沧海一粟
• within a stone’s throw
一箭之遥
• kill two birds with one stone
6. Decimals
7. Multiples
8. Additional information
9. Exercises of numbers
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Task 1.2
Cardinal Numbers
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基数词的构成(一）
I
II
III
IV
1.one 11.eleven 20.twenty 一百one hundred
grasp the usages of numbers
grasp the usages of Cardinal Numbers; grasp the usages of Ordinal Numbers; grasp the usages of Fractional Numbers;
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3. 1,000以上的数字，从后面向前数，每三位数加
“，”；第1个“，”为thousand，第2个“，”为
million。 2,002 two thousand (and) two
38,654 thirty-eight thousand six hundred (and)
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fifty-four
上午9点
nine a.m.
下午5点25分 five twenty-five p.m.
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数学算式和编号表示法
类别
均用基数词
加plus或and
数 减minus
学 乘times
算 式
除divided by
例子
读法
2+3=5
Two plus (and) three are (is) five.
3.作定语
The tenth boy is from Singapore. 第十个男孩是新加坡人。
注意：序数词作定语时，前面一般要加定冠词 （或物主代词）
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Task 1.4
Percentages
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百分数
用法:例句作状语
• The price of the computer was reduced by 24 per cent.
6.six 16.sixteen 70.seventy 一百万one million
7.seven 17.seventeen 80.eighty 一千万ten million
8.eight 18.eighteen 90.ninety 一亿 one
9.nine 19.nineteen 10.ten
hundred million 十亿 billion
6月 June Jun. 12月 December Dec.
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4. 时刻（通常使用基数词来读），表示时刻用
介词at
8点ຫໍສະໝຸດ Baidu
eight o’clock / eight
9点15分 nine fifteen/ a quarter
past nine
14点15分 fourteen fifteen
数学算式和编号表示法
类别
例子
读法
1. 编号一般用 203房间 Room Two o three
基数词
7号公共汽 Bus Number Seven
2. 如数字较小， 车
编 号
可用以下两 种形式：
中山路118 118 Zhongshan Road 号
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Task 1.6 Decimals
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小数的读法
• 例子：
• 6.3 six point three • 0.4 zero(或nought) point four • 12.386 twelve point three eight six
806.07 eight hundred and six point o seven
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Translation
• One man’s meat is another man’s poison.
人各有所好。
• I’ll love you three score and ten.
我会爱你一辈子。
• His mark in math is second to none in the class.
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2. 月份（月份的第一个字母要求大写），表示 月份用介词in
月 份 缩写
月份
缩写
1月 January Jan. 7月 July Jul.
2月 February Feb. 8月 August Aug.
3月 March Mar. 9月 September Sep.
4月 April Apr. 10月 October Oct. 5月 May May 11月 November Nov.
1/4的学生是英国人。
2.作宾语
We will use one fifth of the money for construction.
我们将用1/5的钱来进行建设。
3.作表语
My salary is only one third of that of his boss.
我的工资只是他老板的1/3。
2.two 12.twelve 30.thirty 一千one thousand
3.three 13.thirteen 40.forty 一万ten thousand
4.four 14.fourteen 50.fifty 十万one hundred
5.five 15.fifteen 60.sixty thousand