2023学年完整公开课版BUnitGrammar（新）

Unit1DreamhomesGrammar1-_______2-_________3-_______4-_________5-_______6-_________7-_______8-_________9-_______10-_________onetwothreefourfivesixseveneightnineten一、Cardinalnumbers基数词表示人或物数量的词为基数词。11-________12-__________13-________15-__________18-________19-_________20-________30-_________40-________50-_________100-___________1,000-__________10,000-____________________100,000-_______________________1,000,000-______________twelveelevenfifteenthirteeneighteennineteentwentythirtyfortyfiftyonehundredonethousandtenthousandonehundredthousandonemillionHowdowesayit?twenty-sixfourhundredandsixty-sevensixthousand

twohundredandfifty-oneeightthousandandtwenty-threethreemilliononehundredthousandandsix264676,2518,0233,100,006Trytosaythem:

2,005

19,724

743,2107,766,187twothousandandfivenineteenthousandsevenhundredandtwenty-foursevenhundredandforty-threethousandtwohundredandtensevenmillionsevenhundredandsixty-sixthousandonehundredandeighty-sevenTrytowritethem1.onehundredandtwenty-five2.twothousandthreehundredandeleven3.tenthousandandeleven4.onehundredthousandonehundredandtwo5.twomillionthreehundredandtwo6.ninemillioneightthousandsevenhundredandeight1252,31110,011100,1022,000,3029,008,7081.表示人或物的数量

(56students)2.表示班级、年级、房间号、公交车号等

(Class2,Grade7,Room608,BusNo.1=theNo.1bus)3.表示电话号码、车牌号、门牌号、价格、年份等

(87536891,56StarRoad,￥100,1998)4.复数表示年龄、年代

(inone’stwenties在20多岁,inthe30s在30年代,inthe1930s在20世纪30年代)基数词的用法：5.表示人或物的年龄、大小、长度、高度等：基数词+单位名词+形容词(2monthsold,40mileslong,2meterstall)6.hundred,thousand,million的特别用法：

a.前面有数词，则不用其复数，如twohundred,fivethousand等。

b.表示上百、上千、上百万等不确定的数量时，用hundredsof,thousandsof,millionsof

来表示。Herearesometelephonenumbers.Canyoureadandwritethem?1593269017887326594one,five,nine,three,two,six,nine,o,one,seven,eighteight,seven,three,two,six,five,nine,fourHerearesomenumbersonthecheques(支票）.Canyoureadandwritethem?￥7,493.00seventhousand,fourhundredandninety-threeyuan$

12,321.00twelvethousand,threehundredandtwenty-onedollarsHerearesomeyears.Canyoureadandwritethem?15461785199920072013fifteen,forty-sixtwenty,thirteen/twothousandandthirteenseventeen,eighty-fivenineteen,ninety-ninetwothousandandsevenIamthesecondchildofmyfamily.ItsbirthdayisonthefifthofJune.Theflatisontheseventhfloor.二、Ordinalnumbers序数词表示顺序的词为序数词。通常用于表示日期、编号、楼层等。CardinalnumbersOrdinalnumbers1one1st=

first2two2nd=second3three3rd=third4four4th=fourth5five5th=fifth6six6th=sixth7seven7th=seventh8eight8th=eighth9nine9th=ninth10ten10th=tenth11eleven11th=eleventh12twelve12th=twelfthCardinalnumbersOrdinalnumbersthirteen13th=thirteenth14fourteen14th=fourteenth15fifteen15th=fifteenth16sixteen16th=sixteenth17seventeen17th=seventeenth18eighteen18th=eighteenth19nineteen19th=nineteenth20twenty20th=twentieth21twenty-one21st=twenty-first22twenty-two22nd=twenty-second23twenty-three23rd=twenty-third30thirty30th=thirtieth（一）序数词的构成：1.基数词+th2.以

ty结尾，把y改为ie+th3.多位基数词，最后一个基数词改为序数词，其他仍然为基数词4.特殊形式：one–first,two—second,three—third,five—fifth,eight—eighth,nine—ninth,twelve--twelfth（二）序数词的用法：1.序数词前通常要加the(thethirdfloor)2.序数词表示日期1May/1stMay–thefirstofMayMay1/May1st–Maythefirst3.序数词用作副词，前面不加thecomefirstintheexam4.

有其他限定词修饰(物主代词、名词所有格或指示代词this，that等)，不加the(his/Tom’stenthbirthday)Canyoureadandwritethefollowingphrases?January1February2March23April4May15

June26①Januarythefirst②thefirstofJanuary

①Februarythesecond②thesecondofFebruary

①Marchthetwenty-third②thetwenty-thirdofMarch

①Aprilthefourth②thefourthofApril

①Maythefifteenth②thefifteenthofMay

①Junethetwenty-sixth②thetwenty-sixthofJuneAnswers:(2)fifteenth(1)seventh(3)fourth(4)second(5)ninth(6)twelfthExerciseB2Translation1.Tom是他家的第二孩子．２.我的