2022年中考英语二轮语法专题复习专题4 数词课件(29张PPT)

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名称 2022年中考英语二轮语法专题复习专题4 数词课件(29张PPT)
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更新时间 2022-01-15 20:54:54

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(共29张PPT)
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2022年中考英语二轮
专题复习
全国通用版
专题四 数词
知识导图
语法突破 精讲精练
目录
content
01.
02.
Part 01.
知识导图
Part 02.
语法突破
精讲精练
考点1
基数词与序数词
1.基数词的构成
数字 基数词形式 示例
0~12 独立词 zero,one,two,three,four,five,six,seven,eight,nine,ten,eleven,twelve
13~19 个位数+teen(13,15,18稍特殊) thirteen,fourteen,fifteen,sixteen,seventeen,eighteen,
nineteen
数字 基数词形式 示例
20~90 (整十) 个位数+ty(20,30,40,50,80稍有变化) twenty,thirty,forty,fifty,sixty,seventy,eighty,ninety
21~99 (非整十) 整十位数+“-”+个位数 twenty-one 21,fifty-five 55
101~999 (非整百) 百位数与十位数或个位数之间用and连接。 five hundred and nine 509,two hundred and thirty-five 235
几百、 几千等 在hundred,thousand等词前加基数词。 one hundred,two thousand
2.序数词的构成
注意:序数词的缩写形式由阿拉伯数字加序数词的后两个字母构成。如:first-1stsixth-6th
基变序,有规律,结尾加上-th;
一二三,特殊记,结尾字母t,d,d;
八去t,九去e,f来把ve替;
-ty将y变ie,后加-th别忘记;
要是遇到几十几,只变个位就可以。




3.基数词与序数词的用法
(1)表示数量(用基数词)。
如:I have six pencils.我有六支铅笔。
(2)表示时刻(用基数词)
(3)表示年龄(用基数词)
(4)表示编号
(5)表示日期(年、月、日)、年代及世纪
年用基数词,日用序数词,读时前面加定冠词the。年份可整体读,也可以先读前两位数,再读后两位数。
(6)表示分数、倍数
注意:(1)序数词前面通常要加定冠词the,若序数词前有my,his等限定词修饰时,则不加the。
如:My parents are in the second photo.
我父母在第二张照片里。
(2)序数词前加不定冠词a/an,表示“又一;再一”。
如:You've tried twice.Why not try a third time?
你已经试了两次。为何不再试一次呢?
(3)“基数词+more+复数名词”表示“又;再”,通常可与“another+基数词+复数名词”的结构互换使用。
如:Lucy gave me two more apples.
=Lucy gave me another two apples.
露西又给了我两个苹果。
1.(2021·眉山)The n inth month of a year is September.
2.(2021·新疆)My doctor advised me to take the medicine t wice a day,in the morning and evening.
3.(2021·大庆)Tianwen 1,China's first (one) Mars probe(探测器) successfully entered space in February.




4.(2021·包头)In the sports meeting,she came third in the 200 meters.(three)
5.As everyone knows,the Laba Festival is celebrated on the eighth day of the twelfth (twelve) lunar month.
6.(2021·泰州)Shenzhen Special Economic Zone(经济特区) celebrated its fortieth (forty) birthday on Oct.14,2020.




7.(2021·百色)Yuan Longping,the Father of Hybrid Rice(杂交水稻) still worked in his nineties (ninety).
8.(2021·遂宁)I like the fifth (第五) lesson best because there is a beautiful poem in it.
9.Today we begin to learn the eighth (第八) lesson.It is about delicious food.




概数词
考点2
1.表示确切的数字(具体数字+概数词+复数名词)
hundred,thousand,million等词与具体数字(如one,two)连用时,要用单数形式(其后不加s),一般不与of连用。
如:three hundred students三百名学生
2.表示不确切的数字(概数词加s+of+复数名词)
hundred,thousand,million等词与of连用时,要用复数形式(其后加s),此时前面不能再加数字。如:thousands of people成千上万的人
1.(2021·海南)There are many old people who are over a h undred years old in Hainan.
2. Hundreds (百) of books are sold in this bookstore every month.




3. So far, thousands (千) of people have died of COVID\|19.
4. Millions (million) of people in the world are sending and receiving emails every day.