2022届高考英语复习之数词总结 课件(30)

(共30张PPT)
高考总复习之数词
04/
153 4482 5667
03/
136 3452 6630
02/
187 5560 1182
01/
zero
05/
138 9634 5622
Telephone number
什么叫数词
表示数目多少或顺序多少的词叫数词，数词分为基数词和序数词。表示数目多少的数词叫基数词；表示顺序的数词叫序数词。
一、基数词
one
two
three
four
five
six
seven
eight
nine
eleven
twelve
thirteen
fourteen
fifteen
sixteen
seventeen
eighteen
nineteen
ten
twenty
thirty
forty
fifty
sixty
seventy
eighty
ninety
zero
hundred
thousand
million
billion
point
基数词的构成
1）1－12, 独立成词。
one two three four five six seven eight nine ten eleven twelve
2）13--19, 由3－9 + teen构成。
14–fourteen 16--sixteen 17--seventeen 19—nineteen
特殊拼写: 13– thirteen 15--fifteen 18—eighteen
3）20－90, 以-ty结尾。
20—twenty 30---thirty 40—forty 50—fifty 80---eighty
60---sixty 70---seventy 90—ninety
4）21－99， 两位数，十位与个位之间有 “－”。
21 twenty—one 55 fifty—five 99 ninety—nine
5）101—999，三位数，百位与十位/个位之间加and。
101 one hundred and one
840 eight hundred and forty
693 six hundred and ninety-three
29
,
431
500
7
6
,
,
thousand
hundred
million
billion
and
6) 1，000以上数目,从右向左每三位用“，”分开,分别读为thousand , million, billion
+ of
hundred
thousand (与数字连用不加s)
million
billion
hundreds
thousands (表示概数)
millions
billions
数词(one/two…)
some / many hundreds of
注意
hundred, thousand, million, billion, trillion(万亿)
与数字连用时，不加s；
与of连用时，加s；
单数形式
a seven-day holiday
a 3–year–old girl
“基数词-名词”=形容词，在句子中作定语
这个名词只用__________．
7天的假期
一个三岁的女孩
二、序数词
基数词 序数词 基数词 序数词
one twelve
two twenty
three thirteen
four forty-one
five one hundred
six one hundred and five
eight one hundred and twenty-nine
nine nineteen
first
second
third
fourth
fifth
sixth
eighth
ninth
twelfth
twentieth
thirteenth
forty-first
one hundredth
one hundred and fifth
one hundred and twenty-ninth
nineteenth
2nd
1st
注意：
1. 序数词可以用缩写，如____,____, ____,____ …
3rd
4th
2. 序数词前面要加the；
John lives on the fifteenth floor．
注意：如果前面有形容词性物主代词或名词所有格修饰时，序数词前不加the。
She is my first English teacher.
有时加a/an，“再一”，“又一” 的意思
We‘ll have to do it a second time．
Shall I ask him a third time？
When I sat down，a fourth man rose to speak．
They had a second child in 1988
the/my
∧
数词与高考
改错
1. In the summer holiday following my eighteen birthday, I took driving lessons.(2017课标全国I)
2. I still remember how hard first day was. (2017课标全国I)
3.For example, we can do reading for one and a half hour and play sports for one hour every day.(2014课标II)
4. I went to attend my the first music festival.(2016模拟)
5. Thousands people come on special “party trains” from other countries such as France and Italy.(2016模拟)
eighteenth
hours
∧
of
三、数词的用法
PART.01
① 月日年
1.日期的表达与读法
读法：on October the first, two thousand and eight
日
the + 序数词
月
（首字母
大写）
月日与年之间用逗号分开
年
（两位两位读）
on August 9th
in May, 2010
有日用 on 无日用in
on Oct. 1st , 2008
② 月日 在8月9日
③ 月年 在2010年5月
2005-----two thousand and five
年份的读法
2005-----two thousand and five
1999-----nineteen ninety-nine
1900---- nineteen hundred
请读出以下年份:
1865
1998
1800
1809
2008
eighteen sixty-five
two thousand and eight
eighteen O nine
nineteen ninety-eight
eighteen hundred
A
选择题
1. The accident happened on___.
A. April 5, 2001
B. 2001, April 5
C. April 2001, 5
2. I was born ___.
A. in March 8, 1993
B. on July 9, 1994
C. on May, 1995
B
2.时刻的表达与读法
28 读为
30 读为
40 读为
45 读为
至于整点的情况，读法就更简单了，
00 读为
twenty-eight 或twenty-eight past four
thirty或 half past four
forty或twenty to nine
forty-five或a quarter to ten
It‘s four o’clock. 或 It‘s four.
总结：分+介词+时
前30分钟用：分+ past +时
后30分钟用：分+ to +时
半小时用： half past +时
15分钟=a quarter
3.数目半的表示法
半小时___________________
一个半小时__________________________
两个半小时____________________________
half an hour
and a half hours
= one hour and a half
and a half hours
= two hours and a half
4.年代世纪 的表达法
20世纪90年代
→ in the 1990s
在他50多岁时
→in his fifties
表示“在某人几十岁时” 用：
in one’s +_______________
整十基数词复数
表示“几十世纪几十年代” 用：
in the +_______________
整十年代复数
5.分数百分数的表达
1
4
1
4
3
4
2
5
9
10
one quarter
three quarters
two fifths
nine tenths
1
4
1
2
a half
总结：表达分数时，分子用 ______，分母用________。分子﹥1，分母加______.
基数词
序数词
s
1
3
2
3
one third
two thirds
80 %
基数词 + percent
eighty percent
half / (百)分数 + of + 可数名词复数
谓语动词用复数
half / (百)分数 + of + 不可数名词
谓语动词用单数
3.78
three point seven eight
2. 改错
1). Two third of the students are boys
in our class .
2). Half of her money are spent on clothes .
3). The number of the teachers in our school
are about one hundred.
thirds
is
is
once
6.倍数的表示法
一倍 两倍
三倍 三倍或以上
A是B的几倍（大/长… ）
① A + be + 倍数 + as +形容词原级+ as +B.
② A+ be + 倍数 + 比较级+ than +B.
③ A + be + 倍数 + the +名词（size/ weight /length /height /width）+ of +B.
twice
three times
基数词＋times
B
1. This building is ______ that building.
A. three time as tall as
B. twice taller than
C. three times as taller as
2. 我的箱子是你的六倍重。
My box is _____________________________ yours.
My box is _____________________________ yours.
My box is _____________________________ yours.
six times the weight of
six times heavier than
six times as heavy as
6.数量增加或减少的表达
增加了20%
增加到20%
减少了20%
减少到20%
increase/reduce by 增加了/减少了
increase/reduce to 增加到/减少到
increase by 20%
increase to 20%
reduce by 20％
reduce to 20％
7.固定搭配
It is the first time + that 从句（现在完成时have/has+过去分词）
It was the first time + that 从句（过去完成时had+过去分词）
序数词+名词+to do sth
Eg:
It’s the first time that we have been out alone.
James is the first person to arrive.
编号的表达
练习7 翻译下列短语
207房
三年级一班
第五部分
第一课
3 号汽车
第一中学
Room 207
Class One Grade Three
Part Five = the fifth part
Lesson One = the first lesson
Bus No.3 = the No.3 bus
No. 1 Middle School
规律：一般编码用 名词 +_________
基数词
Good-bye!