外研版2018年英语中考归纳复习专题：数词学案

1、外研版2018年英语中考归纳复习专题：数词学案外研版2018年英语中考归纳复习专题：数词【数词】表示数目和顺序的词叫数词。数词分为基数词和序数词两类，基数词表示数目的多 少，序数词表示顺序。基数词与序数词1 .基数词的构成数字基数词形式示例012独立词zero,one,two,three,four,five,six,seven,eight,nine,ten,eleven,twelve1319个位数 +teen（13,15,18稍特殊）thirteen,fourteen,fifteen,sixteen,seventeen,eighteen,nineteen2090（整十）个位数+ty（20,30

2、,40,50,80稍有变化）twenty , thirty , forty , fifty , sixty, seventy, eighty, ninety2199（非整十）整十位数+“ "十个位数twenty one 21, fifty five 55101999（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 thousand2 .序数词的构成数字序数词变化规则示例13特

3、殊变化first, second,third419对应的基数词+th（第5,8,9,12稍不同）fourth,fifth,sixth,seventh,eighth , ninth,tenth,eleventh,twelfth,thirteenth,fourteenth,fifteenth,sixteenth,seventeenth,eighteenth,nineteenth2090（整十）将对应的基数词变ty为tie,再加-thtwentieth,thirtieth,fortieth,fiftieth,sixtieth,seventieth,eightieth,ninetieth2199, 1

4、01999（整十、整 百除外）只将个位数变为序数词twenty first,thirty fifth, one hundred and twenty ninth整百、整千等在 hundred, thousand等词词尾加-thtwo hundredth,one thousandth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-1st sixth-6th巧记口诀：-基变序，有规律.用i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c3 .基数词与序数词的用法(1)表示

5、数量(用基数词)。如：I have six pencil就有六支铅笔(2)表示时刻(用基数词)示例时在前，分在后7:45 seven forty-five表达法分在前，时在后在30分钟(含30 分钟)以内时，用分 钟数+past+0、数 表 示8:20 twenty past eight10:15 fifteen past ten12:30 half past twelve超过30分钟时，用 分钟数+to+下一时 数”表示6:47 thirteen to seven9:56 four to ten11:40 twenty to twelve几刻钟二刻钟 two quarters九点一亥U a

6、quarter past nine(3)表示年龄(用基数词)表达法示例 基数词(+years old),基数 词1时，year用复数He' four (years old)他四岁 了。基数词 year old,常作定语，year用单数She' an eight year old girl.她是一个八岁的女孩。“ atthe age of+基数词”表示在岁时”at the age of ten 在十岁时“ inone'整十的复数形式”表示 在某人几十多岁时”in his forties在他四十多岁时（4）表水编号示例名词+基数词（首字母大写）the+序数词+名词（首字母不

7、 大写）第一课Lesson One=the first lesson第九页Page Nine=the ninth page九年级三班Class Three,Grade Nine表达法13 / 12207 房间 Room 207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（5）表示日期（年、月、日）、年代及世纪年用基数词数，再读后两位数。内容表达法示例月，日，年月+the+序数词，年1998年6月3日June the third, nineteen ninety eight日力,年the+序数词+of+月，年2009年8月25日the twenty fifth of Aug

8、ust, two thousand and nine年代“ inhe+年份的复数形 式”表示在几世纪几 十年代”在20年纪40年代 in the 1940s/1940' s/nineteen forties世纪“ the+数词 +century ” 或“the+T位进数+' s”在21世纪in the twenty first/21st centuryin the 1900, 在 20 世纪(6)表示分数、倍数分数分子用基数词，分母用序数词分子为1时，分母用单数分子1时,分母加s1/5 one fifth注意:1/2通常用a/one half1/4通常用 a/one quart

9、er2/3two thirds5/6 five sixths4/7 four sevenths倍数twice表示两倍，两倍以上用基数词+times表示， 如：five times 五倍汪息：(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 two times.Why not try a third time?你已经试了两次。为何不再试一次呢？“基数词+m

10、ore+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。【考点训练111.Helen loves reading.She has read(five) books this month.2.Sunday is the(one) day of a week.3.Rose received a letter full of love from her parents on her(seventeen)

11、birthday.4.Yod d better take this medicine(two) a day.5.Boys and girlg please turn to Page and look at the picture.()A.Sixth;sixB.Six;sixC.Six;sixthD.Sixth;sixth答案：five first seventeenth twice C概数词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）, 一月S不与of连 用。

12、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【考点训练2】1 .There are about five(thousand) students in our school.2 .(million) of people in the world are sending and receiving emails every day.3.It is repo

13、rted that people throw plastic bags along this street every week.()A.hundred B.hundreds C.hundred of D.hundreds of答案：thousand Millions D【考题热身】1 .(2017 云南)The(thirteen) Games of China will be held in Tianjin from August 27 to September 8.2 .(2017 上海)My schoolis goingto have an open day on the (ten) o

14、f next month.3 .(2017 -盐城)Yanchenghas the(two) largest population of more than 8 million in Jiangsu Province.4 .(2017 长春)Jim' s aunt bought him a new model ship on his (seven) birthday.5 .（2017 甘肃）The boy got the（one） place in the singing competition.6 .（2017 呼和浩特）一How old is your daughter? .We

15、had a special party for her birthday yesterd ay.）A.Nine;nineB.Nine;ninthC.Ninth;ninthD.Ninth;nine7 .（2017 毕节）Two students in our school are from the countryside.）A.hundred ofB.hundreds ofC.hundredD.hundreds8 .（2017 潍坊）“ Food Safety has become one of the hottest topics recently.一Yeah,it receives Internet hits a day.）A.thousandsB.thousands ofC.thousandD.hundreds9 .（2017 甘肃）There are twelve boys and thirteen girls in Class Four,which means studen