Unit1HomeGrammar课件译林版七年级英语下册

GrammarUnit1Home七年级下册(1)1—12单独记。如：one,two,three...twelve。(2)13—19的词尾都是teen。但13—thirteen，15—fifteen，18—eighteen需要特殊记。foursixsevennineteenteenteenteentysixtysevenninety(4)21~99的构成是在整十位的数词后加上个位的数词，中间用连字符“-”如：21twenty-one37thirty-seven96ninety-six。(3)20~90这些整十数词均以ty结尾。其中sixty，seventy，ninety都是在个位后直接加-ty。其余的构成不规则。构成规则100及以上的基数词100onehundred1,000onethousand1,000,000onemillion1,000,000,000onebillion(1)HowmanypeoplearethereinFemi’sfamily?

TherearesevenpeopleinFemi’sfamily.(2)HowmanyfloorsdoesNeil’shousehave?

Neil’shousehastwofloors.(3)HowmanybalconiesdoesLiMengtianhaveinherflat?Shehasonebalconyinherflat.1.Answerthefollowingquestionsaccordingtotheblogpostsonpage8.ACardinalnumbers101~999的构成要在百位数与十位数之间加and;156onehundredandfifty-six若十位数为零，百位数后仍要加and。509fivehundredandnine(1)TherearesevenpeopleinFemi’sfamily.

(2)Neil’shousehastwofloors.(3)Shehasonebalconyinherflat.Whatkindofnumbersarethewordsinbold?Theyarecardinalnumbers.NotesWeusecardinalnumberstotalkaboutthenumberofpeopleandthings.2.Readthecardinalnumbers0–19inthetableonpage11.四位数或者四位数以上的基数词的拼写规律：用逗号从右往左每三位加一个逗号，第一个逗号读作thousand(千)，第二个逗号读作million(百万)，第三个逗号读作billion(十亿)。15,600,000,000千百万十亿fifteenbillionsixhundredmillion百位数后莫忘“and”ReadthetextaboutNeil’shomeonpage11andanswerthefollowingquestions.(1)WhereisNeil’shome?(2)Whatistheareaofhishome?Itisat

28

(twenty-eight)RoseStreet.Ithasanareaof160

(onehundredandsixty)squaremetres.表示“一亿”用onehundredmillion英语中表示“万”用tenthousand;表示“十万”用onehundredthousand;表示“千万”用tenmillion;用法基数词主要用于表达确切的数量。金钱年龄蝴蝶的种类Imakefivehundreddollarsaweek.TheirsonDylanistwelve.Theyhaveabutterflyhousewithover200kindsofbutterflies！Itisabout10milesfromhere.距离四位数或者四位数以上的基数词的拼写规律：用逗号从右往左每三位加一个逗号，第一个逗号读作thousand(千)，第二个逗号读作million(百万)，第三个逗号读作billion(十亿)。hundred后莫忘“and”3,61094,295threethousandsixhundredandtenninety-fourthousandtwohundredandninety-fiveNeil’shomeisabout15milesfromLondon.Itisat28RoseStreet.Ithasanareaof160squaremetres.Hisphonenumberis02070001111.Neillovestakingpictures.Hehasabout1,000picturesonhisphone.Theyareverybeautiful!Readthetextbelowandpayattentiontotheuseofcardinalnumbers(基数词).面积为eightosixfifteenninety-eight(ooneosevenonetwoonetwoonetwoonetwo).foursixforty-fivefourthousandfivehundredandfiftyChecktheansweronthebook基数词变序数词记忆口诀基变序，有规律，词尾加上“th”。一、二、三，特殊记，词尾字母t，d，d。八去t，九去e，f来把ve替。若是遇到几十几，只变个位就可以。Let’ssharethenumbersinlife!Myfamilyhas___people:mydad,mymom,mysister,andme.4Iam____yearsold.12Simonisdoingatestonordinalnumbers.Lookatthenumbersbelowandwritethenumbersoutinwords.1st=2nd=second3rd=third4th=fourth5th=fifth6th=7th=8th=9th=ninth10th=12th=twelfth14th=19th=20th=twentieth21st=twenty-first22nd=30th=40th=fortieth90th=100th=firsttwenty-secondsixthseventheighthtenthfourteenthnineteenththirtiethninetiethonehundredth我们通常用序数词来谈论日期、楼层、名次、年级等。在表达日期时，用“月份+日期+年份”或“日期+月份+年份”，其中日期用序数词表示，年份用基数词表示，并需用逗号把年份与其前面的部分隔开。用法Let'sspeakout!HowtosaythesenumbersinEnglish?Simonwantstotellhisfriendsaboutthethreebloggers.Completehissentenceswiththecorrectordinalnumbers.LiMengtianlivesinabuildingwith22floors.Herhomeisonthetopfloor,the

floor.HerfamilyalwayseatyuanxiaoontheLanternFestival—the

dayofthefirstmonthintheChineselunarcalendar.NeilisaGrade7student.Heisinthe

grade.Heisusually

the

togetupinhisfamilybecausehelikesjogginginthe

morning.Hismumisthesecondone,rightafterNeil.3.Femi’sbirthdayisinMarch,the

monthoftheyear.Todayishis

birthday.Heis13yearsoldnow.twenty-secondfifteenthseventhfirstthirdthirteenthInterviewHowoldareyou?Whenisyourbirthday?Wheredoyoulive?Whichfloordoyouliveon?Whatisyourtelephonenumber?……Youcanusethequestionslike…Can

you

read

cardinal

numbers

correctly?Try

to

read

the

big

number

below.4,056=

four

thousand

and

fifty-six23,813=twenty-three

thousand

eight

hundred

and

thirteen567,110=

five

hundred

and

sixty-seven

thousand

one

hundred

and

ten6,425,000=

six

million

four

hundred

and

twenty-five

thousandHowdowechangeacardinalnumberendingin-yintoitsordinalnumber?Pleasegiveoneortwoexamples.Ifacardinalnumberendsin-y,wefirstchange-yinto-ieandthenadd-thtoformitsordinalnumber.e.g.forty→fortiethsixty→sixtiethWriteashorttextaboutyourfamilyorfamilymembers,usingbothcardinalnumbersandordinalnumbers.WritingI.写出下列数字的英文表达方式。1.3,478

_________________________________________2.45,063

_______________________________________3.23,768,920

____________________________________________________________________________________________4.64,433,021_______________________________________________________