内容正文:
数词
1、 基数词
1. 定义:表示数量,几个。
2. 书写:
1-12 :无规律
Eg:one、two、three、four、five、six、seven、eight、nine、ten、eleven、twelve
13-19 :个位数+teen
Eg:thirteen、fifteen、eighteen
20. ..90(整十):个位数+ty
Eg:thirty、forty、fifty
几十几:十位数(>=2) - 个位数
Eg:thirty-three、forty-four、fifty-five
>100 : 数字+hundred and 十位数-个位数
Eg:two hundred and twenty-one、four hundred and sixty-eight
>1000 :数字+thousand +数字+hundred and 十位数-个位数
Eg:six thousand(and)six hundred and sixty-six
3. 考点
①数量:数字>1+可数名词复数
②年龄:XX years old = a/an XX-year-old boy / girl
③几年几班:Class Three, Grade One(先班后年首字母大写)
④房间号:Room + 数字(首字母大写)
练一练
1.A_________boy can sing the English song well.(16 years old)
2. Danny lives in ______ .
A. room 404 B. Room 404
C. 404 room D. 404 Room
3. - How many books do you have?
- I have ______.
A. two B. both C. twice D. the second
Keys:1.16-year-old 2.B 3.A
2、 概数词
1.包括
hundred ---百
Thousand---千
million---百万
billion---十亿
2. 考点
有数字,无s;s,of 不分离
3 hundred/thousand/million visitors
hundreds/thousands/millions of visitors
练一练
1. Our school is not very big. There are only _____ students.
A. nine hundreds of B. nine hundred
C. nine hundreds D. nine hundred of
2. _____ visitors come here during the May day holiday every day.
A. Thousands of B. Two thousands
C. Thousand of D. Thousands
Keys:1.B 2.A
3、 序数词
1.定义:表示顺序,第几
2.基变序:1,2,3特殊记,词尾t,d,d
8加h,9去e,f 来把ve替
-ty 要变-tie(-th不要忘)
要是遇到几十几,前用基来后用序
3.考点
①序数词前要加the(常考:the+序数词+名词)
②序数词前不加the
1. 几月几日,不加the。
2. 前有形物代/名词所有格
mother's _____ birthday
my/her/his _____ birthday
③a/an + 序数词
练一练
一、单项选择
1.My grandmother is____ old.
A.seventieth B.seventy year
C.seventy years D.seventies
2.________people visit this museum every day.
A.Hundred B.Hundreds
C.hundred of D.Hundreds of
3.There are two __