江苏牛津译林七年级下册Unit 1语法复习学案.doc

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1、江苏牛津译林七年级下册Unit 1语法学员姓名: 年级:七年级 授课日期授课时段授课主题基数词与序数词教学目标准确基数词与序数词,并且精确区分二者使用。教学重难点重点:基数词与序数词的使用情况难点:二者辨析区分教学内容基数词与序数词 一、基数词:表示数目多少的词叫基数词100以下的基本基数词100以上1-1011-1920-90100a/one hundred;1000a/one thousand;1,000,000a/one million;1,000,000,000a/one billion(美)a/one thousand million(英)1 one11 eleven20 twent

2、y2 two12 twelve30 thirty3 three13 thirteen40 forty4 four14 fourteen50 fifty5 five15 fifteen60 sixty6 six16 sixteen70 seventy7 seven17 seventeen80 eighty8 eight18 eighteen90 ninety9 nine19 nineteen10 ten二、序数词:表示顺序的数次叫序数词基本序数词的构成1st first11th eleventh20th twentieth30th thirtieth2nd second12th twelfth2

3、1st twenty-first40th fortieth3rd third13th thirteenth22nd twenty-second50th fiftieth4th fourth14th fourteenth23rd twenty-third60th sixtieth5th fifth15th fifteenth24th twenty-fourth70th seventieth6th sixth16th sixteenth25th twenty-fifth80th eightieth7th seventh17th seventeenth26th twenty-sixth90th ni

4、netieth8th eighth18th eighteenth27th twenty-seventh100th one hundredth9th ninth19th nineteenth28th twenty-eighty1,000th one thousandth10th tenth29th twenty-ninth1,000,000th one millionth100,000,000th one billionth注意: hundred thousand million1. 其前有具体数字时,用单数: There are thousand students in this in thi

5、s school.这所学校大约有2000名学生。2. 前无数词,模糊数字+s+of短语: Hundreds of people come to see our play.Its so great.成百的人来看我们的戏剧,它太成功了。3. 基数词变序数词口诀:基变序,很容易,结尾加上th。一二三特殊记,结尾各是t,d,d。八去t,九去e,f来把ve替,y改为ie,结尾仍有th。若是遇到几十几,只变个位就可以。三、基数词的构成和用法 (1)最基本的基数词如上页图表所示: (2)基数词的写法 2199 的两位数,十位与个位之间用连字符“”。例: 21 twentyone 32thirtytwo 98

6、 ninetyeight 99ninetynine 101999的三位数,百位数和后面的数之间用连词and,百、千等数词一律用单数形式。例 101 one hundred and one 225 two hundred and twenty five 999 nine hundred and ninetynine 1000以上的数,从后面向前数,每三位中间点“,”,第一个“,”前为thousand,第二个“,”前为 million,第三个“,”前为billion。例: 2,567 two thousand five hundred and sixtyseven 3,018 three thou

7、sand and eighteen (3) 基数词的用法 作主语。例: Ten is a very important number 十是一个很重要的数字。 Two and three are (is) five 2加3等于5。 作定语。例: One kilometer is equal to two li 1公里等于2华里。 She has three brothers 她有三个兄弟。 作宾语。例: I wanted three but he gave me five 我想要三个,但他给了我五个。 I get up before six every day 我每天六点之前起床。 作表语。例:

8、 What time is it?几点钟啦? Its ten 十点。 (4) 疑难点 hundred,thousand和million在合成数词中一般用单数形式,但是用来表示不定 数目时,用作复数形式。例: Hundreds of workers will go ons trike Thousands of people are swimming in the river 此时 hundred,thousand等词前没有数词修饰,且通常其复数形式与of 连用。基数词:表示数目的词称为基数词。其形式如下:(1)从110 one,two,three,four,five,six,seven,eigh

9、t,nine,ten(2)从 1119 eleven,twelve, thirteen, fourteen, fifteen, sixteen, seventeen,eighteen, nineteen 这里除 eleven, twelve, thirteen, fifteen, eighteen为特殊形式外,fourteen,sixteen,seventeen,nineteen都是由其个位数形式后添加后缀-teen构成。 (3)从 2199 整数几十中除twenty,thirty, forty,fifty,eighty为特殊形式外,sixty,seventy,ninety都是其个位数形式后添

10、加后缀-ty构成。表示几十几时,在几十和个位基数词形式之间添加连字符“-” 21 twenty-one 76 seventy-six (4)百位数:个数基数词形式加“hundred”,表示几百,在几十几与百位间加上and 101 a hundred and one 320 three hundred and twenty 648 six hundred and forty-eight (5)千位数以上:从数字的右端向左端数起,每三位数加一个逗号“,”。从右开始,第一个“,”前的数字后添加 thousand,第二个“,”前面的数字后添加 million,第三个“,”前的数字后添加 billion

11、。然后一节一节分别表示,两个逗号之间最大的数为百位数形式。 2,648 two thousand six hundred and forty-eight 16,250,064 sixteen million two hundred and fifty thousand sixty-four 5,237,166,234 five billion,two hundred and thirty-seven million,one hundred and sixty-six thousand,two hundred and thirty-four (6)基数词在表示确切的数字时,不能使用百、千、百万、

12、十亿的复数形式;但是,当基数词表示不确切数字,如成百、成千上万,三三两两时,基数词则以复数形式出现。There are hundreds of people in the hall大厅里有数以百计的人。 Thousands and thousands of people come to visit the Museum of Qin Terra-Cotta Warriors and Horses every day每天有成千上万的人来参观秦兵马涌博物馆。有时两个复数形式的基数词连用可写为: hundreds of thousands of , tens of hundreds of 等等。 T

13、hey went to the theatre in twos and threes他们三三两两地来到了剧院。四、 序数词的构成与用法 (1) 序数词的构成 一般来说,是由相应的基数词加词尾th构成。例: four th fourth six th sixth seven th seventh ten th tenth 下面这些基数词在变为序数词时,有特殊的变化。例: one first two second three third five fifth eight eighth nine ninth twelve twelfth 十位整数序数词的构成方法是将基数词的词y变成i,然后再加eth

14、。例: twenty twentieth thirty thirtieth forty fortieth ninety ninetieth 两位或两位以上的基数词变成序数词时,仅将个位数变成序数词。例: twentyone twentyfirst thirtyfive thirtyfifth a hundred and fiftythree a hundred and fiftythird (2) 序数词的用法 序数词在使用时,一般加上定冠词。例: the first book the second floor the third day the fourth week 序数词在多数情况下都用

15、作定语,有的也可以作表语、主语和宾语。例: The may 1st is Labour Day 五月一日是劳动节。 My room is on the second floor 我的房间在二楼。 The first is larger than the second (主语) 第一个比第二个大。 Read the book from the first(宾语) 从开头读这本书。 Youll be the sixth to write (表语) 你将是第六个写的。 序数词的前面可以加上不定冠词,用来表示“再一”,“又一”的意思。例: You may have a third try 你可以第三次

16、尝试。 (3) 时间表示法 时间都由基数词表示。例: Its nine 现在九点。 Its not five yet 还不到五点。 有时后面要加oclock,但在口语中通常省略。 几点几分表示法有两种形式。 A倒读法:与汉语顺序不同,先读“分”后说“点”。30分钟以内,用“分钟数”past “ 钟点数”表示“几点过几分”,超过30分钟,用“分钟数” to “下一个钟点数”表示“差几 分到几点”。15分钟也可以用a quarter,30分钟也可以用a half。例: 2:15 a quarter past two 2:45 a quarter to three 1:55 five to two

17、7:05 five past seven 5:35 thirty five past five 9:30 half past nine 只有指几点钟整时才用oclock,如ten oclock,但不可以说seven past ten oclock B顺读法:与汉语顺序相同,连用两个基数词,第一个表示“点钟”,第二个表示“分钟”。例: 5:40 five forty 2:30 two thirty 1:15 one fifteen 这时的15和30不能用a quarter, a half代替。 (4) 日期表示法 年的读法:用基数词,分成两位一读。例: 1949 nineteen fortyni

18、ne 1840 eighteen forty 月份的名称要大写。例: January February March April 日期用序数词表示,前面可加the,也可以省略。例: 5月4日 May (the) fourth 10月1日 October (the) first 年、月、日的顺序:在英语中, 按月、日、年的顺序来读。例: 1949年10月1日 October (the) first nineteen fortynine 1999年5月1日 May (the) first nineteen ninetynine 表示在“在某年、在某月”用介词in,如in2000,in Septemb

19、er,表示“在某日 ”用介词on,如on July 8。 (5) 编号的读法 表示“第几课(部分,章或节)”时,用序数词时,前面一定要加冠词;用基数词时,不用冠词,但 语序与汉语相反。例: lesson one the first lesson part three the third part 当数字较长时,通常用基数词。例: 第219页 page 219 (two one nine) 第306号房间 room 306 (three o?藜usix) 第六路公共汽车 bus number six 电话号码 885316 telephone number885316 (eight eight

20、five three one six) (6) 倍数的用法 The train arrived half an hour late 火车晚到了半个小时。 half 是形容词。 He has three times as many books as I have 他的书有我的三倍多。 “的几倍”的说法,两倍用twice,注意表示倍数的词在句中的位置。 中考链接1.(宿迁)-Mum, of my classmates glasses. -Oh,my God.You need to protect your eyes well. A.three-fourths;wears B. three-four

21、th ;wear C. three-fourth ;wearsD. three-fourths;wear  2. (苏州)Tony's mum looks young and beautiful. It's hard to imagine she is already in her   A.fifties B. fifty C.fiftieths D.fiftieth3.(泰州) About

22、  of the earth  covered with water, but we have less and less available fresh waer.  A three-fourth is  BAhree-fourths;is C.three-fourth;are   D.three-fourths;are 4.(淮安 )Susan lives on&

23、#160;the  floor and we are neighours.  A.four B.fourth C. fourteen D. forty5.(天津)Li Ming will be . His parents are going to have a party for his  birthday.  A.sixteen;sixteenth B.sixteenth; sixteenth  

24、; C. sixteen;sixteen D. sixteenth; sixteen 6. (重庆)Meimei is going to be an older sister. Her parents are planning to have their  child.  A. one B.two C. first D.second 7.(天津 )Baske

25、tball is so exciting that  people play it for fun.  A million  B. two millions  C.million of D. millions of答案:DABBADD强化练习一、单项选择( )1. Please turn to _. A. Page 11 B. the 11 st page C. page 11 D. page the 11 th(

26、)2. At night we can see _ stars in the sky. A. thousands and thousands of B. thousand and thousands ofC. a thousand and thousands D. thousand and thousand( )3. There are some _ in our classroom. A. hundred of books B. the hundreds of books C. hundreds of books D. hundred of book( )4. I have been to

27、the village _. A. a hundred time B. hundred times C. hundreds of times D. hundred of times( )5. There are _ students in our school. A. fourhundred and fortyfive B. four hundred and fortyfive C. four hundreds and fortyfive D. four hundred and forty five( )6. The teacher told me to go over _ lessons.

28、A. thirst three B. the three first C. three the first D. the first three(前三课)( )7. May is _ of a year. A. the fifth months B. the fifth month C. the five months D. the five month( )8. We live in _. A. the twenty-first century B. the century twenty-one C. century twenty-one D. the century twenty-firs

29、t( )9. He said he was going to be free in _. A. one and a half hour B. one hour and half C. one and half hours D. an hour and a half(一个半小时 one and a half hours)( )10. -How many English books are there on the table? -There is only _English book on it. A. a B. an C. one D. the( )11. Mr Smith stayed in

30、 _ last night. A. Room 403 B. the Room 403 C. the 403 room D. 403 the room( )12. The road is _. A. two thousand and five hundred metres long B. two thousands metres long C. long one thousand five hundred metre D. a thousand and five hundreds metres long( )13. He joined the army on _ of May 1980. A.

31、1 st B. the 1 C. first D. the first( )14. Is Sunday the _ day of the week? A. a B. one C. once D. first( )15. March the _ is Womens Day. A. eighth B. ninth C. tenth D. eight( )16. September is the _month of the year. A. nineth B. ninth C. nine D. the twelveth( )17. December the _ is Christmas. A. tw

32、enty-five B. twenty-fifth C. twentieth-five D. twenty-five( )18. Another way of saying Lesson 12 is _. A. Lesson ten-two B. Lesson Ten-second C. the Twelfth Lesson D. Twelfth lesson答案:AACCB DBADC AADDA BBC二、完成句子 (用past或 to的句型)1. What time is it ? (8:30) Its _. 2. What time is it ? (9:15) Its _. 3. What time is it ? (7;45) Its _. 答案:1. half past eight 2.a quarter past nine 3.a quarter to eight总结 什么是基数词: 什么是序数词: 基数词的用法: 序数词的用法 两种时间表达法是什么:9 / 9

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