中考英语二轮语法专题复习 数词 课件(共39张PPT)

(共39张PPT)
中考一轮语法复习
数词专题
沪教牛津版九年级
基数词
Numeral
1
2
3
4
5
1 2 3 4 5 6 7 8 9 10 11 12 one two three four five six seven eight nine ten eleven twelve 13 14 15 16 17 18 19 词尾为teen thirteen fourteen fifteen sixteen seventeen eighteen nineteen 20 30 40 50 60 70 80 90 100 逢十词尾为ty twenty thirty forty fifty sixty seventy eighty ninety one(a) hundred 23 35 101 十位数和个位数之间添加连字符“-”构成
twenty-three
thirty-five
one hundred and one
基数词的特征
基数词的特征
(1) 1-12: one, two, three…
(2) 13-19: 词尾为teen
(3) 21-99(除整十的数外): 中间添加连字符“-”
(4) 20, 30, … 90: 逢十词尾为ty
(5) 101-999: 几百+and+剩下的数
240 two hundred and forty
330 three hundred and thirty
特征小结：
(6) >1000 分段读
4,007 thousand
1,402,407 million
3,977,466,002 billion
four thousand and seven
one million, four hundred and two thousand, four hundred and seven
读一读
基数词的特征
hundred, thousand, million, billion
数词-表示具体数目 数字+hundred…
名词复数-表示不确定的数目 hundreds of
E.g. one hundred, two thousand, three million
E.g. hundreds of, thousands of, millions of, billions of
有数字有s有of，无数字无s无of
【有无无，无有有】
基数词的常考点
---There are books in the school library, aren’t there
---Yes, and two thirds of them are open to the students.
A. five thousand B. six thousands
C. thousand of D. thousands
2. ---How many students are there in your newly built school
---Two in classes.
A. thousands; four B. thousands; fourth
C. thousand; forty D. thousand; the fortieth
√
√
实战演练
序数词
Numeral
1
2
3
4
5
序数词的变化规则
基数词 序数词 基数词 序数词
one first eleven eleventh
two second twelve twelfth
three third thirteen thirteenth
four fourth fourteen fourteenth
five fifth fifteen fifteenth
six sixth sixteen sixteenth
seven seventh seventeen seventeenth
eight eighth eighteen eighteenth
nine ninth nineteen nineteenth
ten tenth twenty twentieth
序数词的变化规则
（1）一般在基数词后加th, E.g. six→sixth
（2）-ve结尾的改为-fth, E.g. twenty-five→twenty-fifth…
（3）-ty结尾的改为-tieth, E.g. fifty→fiftieth…
（4）熟记特殊词: first, second, third, eighth & ninth
序数词的常考点
the+序数词
a+序数词
vs.
I returned to China in the first year of the 21st century.
2. Although I have failed four times, I desire to make a fifth attempt.
表示“第…”有先后顺序，按一定规律排列
表示“又一，再一”
单名(首字母要大写) + 基数词
the +序数词 +单名
=
第十课
第二行
第七页
the seventh page
Page Seven
the tenth lesson
Lesson Ten
the second line
Line Two
注：Room 101 101号房间 （仅用第二种表达法）
表示编号
序数词的常考点
1. This is Mr. Green’s visit to America. He has never been there before.
A. first B. second C. third D. fifth
2. There are months in a year. October is the month.
A. twelve; ten B. twelfth; tenth
C. twelve; tenth D. twelfth; ten
3. Every year, people visit the Forbidden City.
每年，成千上万的人参观故宫。
√
√
thousands of
实战演练
四则运算
Numeral
1
2
3
4
5
(1)加: plus, and, added to
(2)减: minus, taken from
(3)乘: times, multiplied by
(4)除: divided by
(5)等于: be(is), makes, equals
词汇积累
四则远算——加法
E.g. 2+3=5 Two plus three is five.
Two and three is five.
Two added to three is five.
4+6=10
1+11=12
5+3=8
口头练一练
四则远算——减法
E.g. 6-2=4 Six minus two is four.
Two taken from six is four.
9-2=7
5-4=1
11-1=10
口头练一练
四则远算——乘法
四则远算——除法
E.g. 16÷8=2 Sixteen divided by eight is two.
6÷2=3
30÷3=10
20÷10=2
口头练一练
分数、小数、
百分数
Numeral
1
2
3
4
5
分数结构:
1/2
1/3
1/4
3/4
特殊！
one second
one third
one fourth
three fourths
a half
a third
a quarter
three quarters
分子
分母
基数词
序数词
分子基数词，
分母序数词，
分子大于一，
分母用复数。
分数
分数
2. 分数作主语: 谓语动词的单复由分数词后面的名词确定
Two fifths of the milk ______(be ) drunk by Tom.
One third of the students _______(be )girls.
Three quarters of the boys _______ (want) to play football now.
was
are
want
小数
10
.
23
10
.
23
ten
two three
point
0.4
25.67
1.03
three point two five
point five six one
four point two o one
3.25
0.561
4.201
zero point four
point four
twenty-five point six seven
one point o three
百分数
基数词+percent
50%
7%
0.6%
0.01%
—— fifty percent
—— seven percent
—— zero point six percent
—— zero point o one percent
年龄、年份、年代
Numeral
1
2
3
4
5
年龄的表达
(1)基数词
I am twenty-four.
(2)用“基数词+years+old”表示
I am twenty-four years old.
(3)用“基数词+years+of age”表示
I am twenty-four years of age.
(4)用“at the age of +基数词”表示
I am at the age of twenty-four.
(5)表示在某人几十岁时,“in one’s + 整十的复数”
In my twenties
1989, 1943, 2015
……
怎么读？
1. 一般情况，分前后两组，基数词
1989 nineteen eighty-nine
整百的年份，hundred
1900 nineteen hundred
3. 千年—— thousand
2008 two thousand and eight
4. 十位是零，字母”o”的音
1907 nineteen o seven
年份的表达
1989, 1943, 2015……
in 1989
in 1943
in 2015 ……
年份介词用in
年份用什么介词？
年份的表达
年代的表达
(1) 表示年代: in the + 年份的复数/年份’s
在20世纪80年代—— in the 1980s或in the 1980’s
(2) 表示世纪: in the+序数词+century
在18世纪—— in the eighteenth century.
90s
年代的表达
(3) 表示某年代的早期、中期和晚期，可以在定冠词后、年代前加early、mid-，late
20世纪20年代初 ——
20世纪20年代中期 ——
20世纪20年代晚期 ——
in the early 1920’s
in the mid-1920’s
in the late 1920’s
实战演练
1. A war took place in ____ .
A. the 1720’s B. 1720s
C. 1720’s D. the 1720
2. About of the students in Grade Nine this year
were born in the .
A. three fifths, 1996 B. three fifths, 1990s
C. third fifth, 1997 D. third fifths, 1990s
√
√
时间、月份、日期
Numeral
1
2
3
4
5
2. 几点几分:
A). 直接读法（顺读）
3:25 → three twenty-five
10:10 → ten ten
整点: 基数词+ o’clock
十点 → 10 o’clock
六点 → 6 o’clock
一点 → 1 o’clock
时间的表达
B). 间接读法（倒读）
≤30分钟：分钟+ past + 小时 几分过几点
3:25 → twenty-five past three
＞30分钟：( 60-分钟 )+ to + (小时数+1) 差几分到几点
3:50 → ten to four
30分钟=half
15分钟=a quarter
45分钟= three quarters
3:30 → half past three
3:15 → a quarter past three
3:45 → a quarter to four
时间的表达
十二月份
January Jan. July July
February Feb. August Aug.
March Mar. September Sep.
April Apr. October Oct.
May May November Nov.
June June December Dec.
月份的表达
日期的表达
日期结构:
1). 月 日,年 (日用序数词,年用基数词)
2012年10月25日 → 读 October the twenty-fifth, two
thousand and twelve
写 Oct. 25th, 2012
2). 日 月 年 (the +序数词+of +月, 年)
2012年10月25日 → 读 the twenty-fifth of October ,two
thousand and twelve
写 25th October, 2012
3). 某年、某月、某世纪、上午、下午、晚上——in
具体某一天（的上午、下午、晚上）——on
in 2015, in May, in 21st century…
on the night of May 1st, on Monday…
on the night of May 1st, on Monday…
日期的表达
谢谢
21世纪教育网（www.21cnjy.com)
中小学教育资源网站