修改新版7b Unit 1 Dream homes Grammar

1、Unit 1 Dream homes Grammar We use cardinal numbers almost(几乎几乎) every day. We use them to talk about the numbers(数量数量) of people or things.Cardinal numbers (基数词基数词)No.1 busNo.23 player10 yuanLets count from o to 10.012345678910zeroonetwothreefourfivesixseven eightninetenCan you read the phone number

2、s?three,six,five,eight;six,three,nine,oeight,five,two,six;seven,three,nine,fivefive,five,five,three;two,nine,o,oneMillie 5553 2901 _Amy 3658 6390 _ Kitty 8526 7395 _Lets count from 10 to 100.131415111216171819 eleven twelve thirteen fourteen fifteen sixteen seventeen eighteen nineteen203040506070809

3、0212223100twentythirtyfortyfiftysixtyseventyeightyninetytwenty-onetwenty-twotwenty-threeone hundredCan you read the numbers?1024221345338291thirteenforty-fivethirty-threeeighty-twoninety-oneone hundred and twofour hundred and twenty-two180one hundred and eightyTip:l十几十几teenl几十几十tyl几十几十几几十几几几十几l19、90

4、不去不去el4和和40不一样不一样l5和和15、50也不同也不同l百后加百后加andlarge numbers100one hundred10,000ten thousand100,000one hundred thousand1,000,000one million1,000one thousandX10=X10=X10=1,000one thousand1,81591,000260,000one thousand eight hundred and fifteenninety-one thousandtwo hundred and sixty thousand701,012 seven h

5、undred and one thousand and twelveABC, DEFA hundred and BC thousand D hundred and EF13,000,0008,000,000eight millionthirteen million1,000,000one million960,000,000nine hundred and sixty millionABC, DEF, GHImillionthousand6,425,200120,300,573591,006,000 A hundred and BC million D hundred and EF thous

6、and G hundred and HIsix million four hundred and twenty-five thousand two hundredone hundred and twenty million three hundred thousand five hundred and seventy-threefive hundred and ninety-one million and six thousand 1.180 one hundred and eighty2. 1,815 one thousand ,eight hundred and fifteen3.91,0

7、00 ninety-one thousand4.260,000 two hundred and sixty thousand5.8,000,000 eight million6.13,000,000 thirteen million4,0567,35012,320800,555four thousand and fifty-sixseven thousand three hundred and fiftytwelve thousand three hundred and twenty eight hundred thousand five hundred and fifty-five20,45

8、0,209twenty million four hundred and fifty thousand two hundred and nine基数词的用法基数词的用法1、表示数量的多少。如：、表示数量的多少。如：There are 25 desks in the classroom.2、表示年份和年龄。如：、表示年份和年龄。如：He was born in 1978.-How old is Simon? -He is 13 years old.3、表示时刻。如：、表示时刻。如：-What time is it?-It is two to two.4、表示顺序。基数词表示顺序时，由、表示顺序。

9、基数词表示顺序时，由“单数名词单数名词+基数基数词词”构成，此时名词和基数词的第一个字母常都大写。构成，此时名词和基数词的第一个字母常都大写。如：如：Class Three 三班三班 Lesson Ten 第十课第十课 Unit One 第一单元第一单元注意：注意：“单数名词单数名词+基数词基数词”可以转换成可以转换成“the+序数词序数词+单数名词单数名词”，此时的名词和序数词的第一个字母都不大，此时的名词和序数词的第一个字母都不大写。如：写。如：Lesson Ten= the tenth lesson5、确数和概数的表达。、确数和概数的表达。英语中表示确数的方法为英语中表示确数的方法为“基

10、数词基数词+计数单位的单数计数单位的单数（hundred, thousand, million, billion）+名词复数名词复数”；表示概数的方法为表示概数的方法为“计数单位的复数（计数单位的复数（hundreds, thousands, millions, billions）+of+名词复数名词复数”。如：。如：There are six hundred workers in this factory.Thousands of visitors are visiting the garden.6、“整十整十”的基数词的复数形式可用于表示几十年代的基数词的复数形式可用于表示几十年代或在某人

11、几十多岁时。如：或在某人几十多岁时。如：in the 1960sHe invented many things in his twenties.成千上万成千上万7、“another+基数词基数词+名词复数名词复数”或或“基数词基数词+more+名词名词”表示在已有基础上再增加一定的数表示在已有基础上再增加一定的数量。如：量。如：He ate another two cakes. = He ate two more cakes.他又吃了两块蛋糕。他又吃了两块蛋糕。We need three more hours to finish the work.=We need another three

12、hours to finish the work.我们还需要三个小时来完成这项工作。我们还需要三个小时来完成这项工作。We can use ordinal numbers to order things and events.1.Mr. Wu has two children. The first child is a boy. The second is a girl.2. There are seven days in a week. Wednesday is the fourth day of a week. Thursday is the fifth day of a week.Ord

13、inal numbers(序数词序数词)We use them to talk about dates(日期日期), floors(楼层楼层), results(结果结果)Its birthday is on the fifth of June.The flat is on the seventh floor.I get the first in this exam(考试考试).序数词前要加序数词前要加“the”（twenty-one twenty-first） 基变序，有规律，基变序，有规律， 大部分结尾字母是大部分结尾字母是th。 一、二、三，特殊记，一、二、三，特殊记， 结尾字母结尾字母

14、t, d, d； 八加八加h, 九去九去e, ve要用要用 f 替替; 逢十改逢十改y为为ie，几十几几十几,也好记也好记, 只变个位就可以。只变个位就可以。(fourth, sixth)(first, second, third)(eighth, ninth)(five -fifth, twelve-twelfth)(twenty-twentieth)基数词变序数词：基数词变序数词：基数词基数词 序数词序数词1 = one 2 = two 3 = three 4 = four 4th = fourth 5 = five 6 = six 6th = sixth 7 = seven 7th =

15、seventh 8 = eight 9 = nine 10 = ten 10th = tenth 1st = first2nd = second3rd = third5th = fifth8th = eighth9th = ninth11 = eleven 11th = eleventh 12 = twelve 13 = thirteen 13th = thirteenth 14 = fourteen 14th = fourteenth 15 = fifteen 16 = sixteen 16th = sixteenth 17 = seventeen 17th = seventeenth 18

16、 = eighteen 18th = eighteenth 19 = nineteen 19th=nineteenth 20 = twenty 30 = thirty12th = twelfth15th = fifteenth20th = twentieth30th = thirtieth100 = one hundred 1000 = one thousand21 = twenty-one 22 = twenty-two 23 = twenty-three100th = one hundredth1000th = one thousandth21st = twenty-first 22nd

17、= twenty-second23rd = twenty-third1. Elsa lives on the _ floor.2. Ivan lives on the _ floor. 3. Mary lives on the _ floor.4. Peter lives on the _ floor.5. Ricky lives on the _ floor.6. Wilson lives on the _floor.seventhfifteenthfourthsecondninthtwelfth151413121110987654321GWilsonIvanMaryPeterRickyEl

18、saDo Part B2 on page12.用所给词的适当形式填空用所给词的适当形式填空. He gets the (one) in the English test this time.2.Tom will come on the (twelve) of this month.3.There are days in a week. Saturday is the _ day . (seven)4.This is my (three) time to come to Shanghai.5.Mr. Green has children. Tom is the youngest. He is t

19、he child. (nine)6.He is the (twenty-one) member in the football team.firsttwelfthsevensevenththirdnineninthtwenty-first基变序，很容易；基变序，很容易；1,2,3 特殊记特殊记; 8去去t, 9去去e; ve 要用要用 f 替；替； ty 变成变成tie，然后再加，然后再加-th;“几十几几十几”面前要注意，各位序数要牢面前要注意，各位序数要牢记。记。Childrens Day is on _.June 1st/firstDragon Boat Festival is on t

20、he _ of May.fifth _is National Day.October 1stA: How old is ?B: HesA: Whats his phone number?B: ItsA: How much money can he get every year?B: AgePhone number Salary（年薪）（年薪）Yao Ming311330,2578,888 ￥82,650,000Liu Xiang281353,1245,666 ￥36,508,800XiaoShenyang301510,5432,999 ￥5,000,000two eleven twelvefi

21、fteenthirtyforty fiftyhundredthirteenninety-eightfirst second thirdfifthninthtwelfthtwenty-thirdthirtiethone hundredthmillion一周的第一天是一周的第一天是Sundy.他们正在庆祝他们正在庆祝Millie的十五岁的生日。的十五岁的生日。今天是二月今天是二月26日。日。这是这是Millie第五次来俄罗斯。第五次来俄罗斯。九月是一年的第九个月份。九月是一年的第九个月份。thousand1.Copy and memorize the numbers.Homework2.Translate the sentences into English. ( )1. There are some _ in our classroom.A. hundred of books B. the hundreds of booksC. hundreds of books D. hundred of book( )2. There are _ students in our school.A. fourhundred and fortyfive B. four hundred and fortyfiveC.