内容正文:
7B Units1- 4
Revision for Grammar
基 数 词
(一)基数词构成及读法
1、1-12为独立的单词,有其各自的形式
one, two, three, four, five, six, seven, eight, nine, ten, eleven, twelve
2、13-19都以teen结尾 thirteen, fourteen, fifteen, sixteen, seventeen, eighteen, nineteen
3、20-90之间的“整十”都以ty结尾 twenty, thirty, forty, fifty, sixty, seventy, eighty, ninety
4、20-99之间的“几十几”,先说“几十”,再说“几”,且中间加连词符。
如:22 twenty-two, 49 forty-nine, 94 ninety-four
5、101-999之间的非整百的基数词读法为百位数和十位数(或个位数)之间用and连接。 如:608 six hundred and eight, 732 seven hundred and thirty-two
6、四位数及以上的基数词读法为:三位一打点,从右至左,thousand,million,billion
基 数 词
(二)基数词的部分用法
1、表顺序。由单数名词 + 基数词,此时名词和基数词第一个字母大写。如:Class One, Room Five, Lesson Ten, Page 108, No. 9 Middle School
2、确数与概数的表达
基数词+ hundred, thousand, million, billion+ 名词复数 six hundred students
短语:hundreds, thousands, millions, billions+ of +名词的复数 数以百/千/百万/十亿计的……
注意:two hundred of the students 学生中的两百个
3、another+基数词+名词复数= 基数词+more+名词复数 表示再增加一定的数量,意思是“再、又、还”。He ate another two cakes. = He ate two more cakes. 他又吃了两块蛋糕。
序 数 词
(三)序数词的构成
1、123特殊记,8去t,9去e,ve要用f代替,ty变成tie,词尾加上th,若是遇到几十几,只变个位就可以。
(四)序数词的用法:
1、序数词表顺序时,前要加定冠词the,有物主代词或名词所有格不需要加the。
The __________ picture is very beautiful. 第二幅图很漂亮。
Today is grandma’s______________(nine) birthday.
2、表日期中的“日”。 2009 年7月6日 July 6th, 2009
(1) He lives on ___________________(seven) floor.
(2) The ________________(twenty-nine) Olympic Games took place in Beijing.
(3) Father’s Day is the ________________(three) Sunday in June.
(4) Now, everyone, please turn to Page________ and look at the _________ picture.
A. Twelve, fifth B. Twelfth, fifth C. Twelve, five D. Twelfth, five
数 词
一、单项选择
( )1. There are _______ students in our school.
A. one thousand, nine hundred and forty-five
B. one thousand, nine hundred and fourty-five
C. one thousand and nine hundred, forty-five
D. one thousand and nine hundred and fourty-five
( )2. The picture on Page _______ is houses from the _______ century.
A. Five; nineteen B. Five; nineteen