Unit 1 Grammar 课件2022-2023学年牛津译林版七年级英语下册

7BUnit1DreamHomes

GrammarNumbersinourdailylife100yuanBusNo.1Page28Tel:33586390Therearetwentyrestaurantsintown.ThebiggestoneinFifthStreet.数词基数词序数词1.Cardinalnumbers

基数词Cardinalnumbers

基数词

Weusecardinalnumbersalmosteveryday.Weusethemtotalkaboutthenumbersofpeopleorthings.表示人或事物数量多少的词叫基数词,如one,two,three…012345678910zeroonetwothreefourfivesixseveneightninetenLet’scountfrom0to10.Let’scountfrom10to100.131415111216171819eleventwelve

thirteenfourteen

fifteensixteenseventeen

eighteennineteenTip1：13-19：由3－9

+teen构成2030405060708090212223100twentythirtyfortyfiftysixtyseventyeightyninetytwenty-onetwenty-twotwenty-threeonehundredTip2：几十:以-ty结尾Tip3：几十几:中间有“-”Payattention!1.–teen重音在“teen”上；2.-ty重音在单词开头;

3.表示“几十几”的数词中有“—”，如：twenty-two,thirty-five等。

100

one/ahundred1,000

one

thousand10,000tenthousand

100,000onehundredthousand1,000,000one

million

26

twenty-six

260twohundredandsixty

2,261twothousand,twohundredandsixty-one

2,026

twothousandandtwenty-six

1,200,226

onemillion,twohundredthousand,twohundredandtwenty-six9305400607,,,billionmillionthousandninebillion,threehundredandfivemillion,fourhundredthousand,sixhundredandsevenhundredFindouttherule!

180=1,815=

91,000=

260,000=8,000,000=13,000,000=onehundredandeightyonethousand,eighthundredandfifteenninety-onethousand

twohundredandsixtythousandHowdowesayit?eightmillionthirteenmillion500,000fivehundredthousand5,678fivethousand，sixhundredandseventy-eight4,886,103銉佰捌拾捌万陆千壹佰零叁元整亿千百十万千百十元角分￥488610300four

million,eighthundredandeighty-six

thousand,onehundredandthree9,156,018nine

million,onehundredandfifty-six

thousandandeighteen26.RedSquareinMoscowisabout91,000squaremetresinsize.莫斯科的红场在大小上大的9.1万平方米。（1）square形容词，意为“平方的；正方形的”。Theroomisabout30squaremetres.这个房间大约30平方米。拓展：square作名词，意为“正方形；广场”。（2）metre名词，意为“米，公尺”，复数为metres。Theriverisabout50metreswide.这条河大约有50米宽。拓展：kilometre作名词，意为“千米”，复数为kilometres。（3）insize介词短语，意为“在大小上”。Mypencilboxisdifferentfromyoursinsize.我的铅笔盒的大小和你的不一样。1)1--12,独立成词。2)13--19,以teen结尾。3)几十,以-ty结尾。4)几十几，十位与个位之间有“－”。5)百位后读的时候加and。6)1,000以上数目,从右向左每三位用“，”分开，分别读为thousand,million,billion。Summary:电话号码的读法MissWang8433,2901Me8432,1201eight,four,three,three;two,nine,o,oneeight,four,three,two;one,two,o,oneyou…doublethree

年份的读法1978年

读作:nineteenseventy-eight1897年读作：eighteenninety-seven2005年读作：twothousandandfive或:twentyofive2015年读作：

twothousandandfifteen或：

twentyfifteen,Peoplefromabout180countriesandareasliveinNewYork.StephenfromtheUSA地区TheCNTowerisover1,815feettall.overprep.

超过=morethanfoot英尺（pl.feet)be+数字+表单位的词+形容词（长、宽、高、深等）表示……长/宽/高/深等Sheis11yearsold.Thebuildingis21metrestall/high.Thetableis2metreslong.squareadj.平方的n.广场RedSquareinMoscowisabout91,000square

metresinsize.insize在（大小、尺寸、面积……）上e.g.我们学校占地面积是15607平方米。Ourschoolis15607square

metresinsize.be+数字+面积单位+insizehaveanareaof……有……面积Francehasanareaofover260,000squaremiles.

e.g.我们学校占地面积是15607平方米。Ourschoolhasanareaof15607squaremetres.Ourschoolis15607squaremetres

insize.Thereareabout8,000,000peoplelivinginLondon.

Therebesbdoingsth.如：Thereisabirdsinginginthetree.Tokyo,thecapitalofJapan,hasover13,000,000people.26.RedSquareinMoscowisabout91,000squaremetresinsize.莫斯科的红场在大小上大的9.1万平方米。（1）square形容词，意为“平方的；正方形的”。Theroomisabout30squaremetres.这个房间大约30平方米。拓展：square作名词，意为“正方形；广场”。（2）metre名词，意为“米，公尺”，复数为metres。Theriverisabout50metreswide.这条河大约有50米宽。拓展：kilometre作名词，意为“千米”，复数为kilometres。（3）insize介词短语，意为“在大小上”。Mypencilboxisdifferentfromyoursinsize.我的铅笔盒的大小和你的不一样。hundred,thousand,million,billion的用法1.当有具体数字时，不能加“s”和“of”2.当表示泛指数量时用以下形式:如：200:twohundredhundreds

of…thousands

of

…millions

of…billions

of…eg.Thereare________booksinourlibrary.A.sixthousandsofB.sixthousandsC.sixthousandD.sixthousandof2.Ordinalnumbers

序数词Ordinalnumbers序数词Wecanuseordinalnumberstoorderthingsandevents.Weusethemtotalkaboutdates,floors,positions,etc.表示人或事物顺序的数词叫序数词,如first,second,Women’sDayisontheeighthofMarch.Ourflatisontheseventhfloor.Heisalwaysthefirsttocometoschoolinourclass.Howdoyouwriteit?基数词

序数词1=one2=two3=three4=four

4th=fourth5=five6=six

6th=sixth7=seven

7th=seventh8=eight9=nine10=ten

10th=tenth1st

=first2nd

=

second3rd=third5th=

fifth8th=eighth9th=ninthHowdoyouwriteit?基数词

序数词11=eleven11th=eleventh

12=twelve

13=thirteen13th=thirteenth

14=fourteen

14th=fourteenth15=fifteen

16=sixteen

16th=sixteenth17=seventeen

17th=seventeenth18=eighteen

18th=eighteenth

19=nineteen

19th=

nineteenth

20=twenty12th=twelfth15th=fifteenth20th=twentieth100=onehundred21=twenty-one22=twenty-two23=twenty-three100th

=onehundredth21st=twenty-first22nd=twenty-second23rd=twenty-third40=forty40th=fortieth基数词

序数词26.RedSquareinMoscowisabout91,000squaremetresinsize.莫斯科的红场在大小上大的9.1万平方米。（1）square形容词，意为“平方的；正方形的”。Theroomisabout30squaremetres.这个房间大约30平方米。拓展：square作名词，意为“正方形；广场”。（2）metre名词，意为“米，公尺”，复数为metres。Theriverisabout50metreswide.这条河大约有50米宽。拓展：kilometre作名词，意为“千米”，复数为kilometres。（3）insize介词短语，意为“在大小上”。Mypencilboxisdifferentfromyoursinsize.我的铅笔盒的大小和你的不一样。基变序，有规律，结尾字母th一二三，特殊记，结尾字母t,d,d:first,second,third八减t，九减e,f变ve:eighth,ninth,five—fifth整十变y为ie，然后再加th；twenty—twentieth如果遇到几十几，只变个位就可以:twenty-one—twenty-first基数词变序数词的规律9的家族只有第九ninth没有e4的家族只有四十forty和第四十fortieth没有uCompletethesentenceswiththecorrectfloornumbers1.Elsalivesonthe_________floor.2.Ivanlivesonthe__________floor.3.Marylivesonthe________floor.4.Peterlivesonthe________floor.5.Rickylivesonthe________floor.6.Wilsonlivesonthe_________floor.seventhfifteenthfourthsecondninthtwelfth序数词用法

1.表日期：thefifthofJune(=Junethefifth)6月5日

2.表顺序或编号：

thesecondlesson(=LessonTwo)语法小结3.序数词常与the连用(基数词无)，但以下两种情况不用the：(1)作副词,

如：Heoftencomesfirstintheexams.

他考试常名列第一。Youmustfinishyourhomeworkfirst.(2)前面有限定词(如形容词性物主代词名词所有格)时，不可再用the。It’smyfirsttimetowatchtheliondance.

4.

序数词用来表示“第…世纪”二十世纪thetwentiethcentury033.ExercisesBAAC()1.Footballissoexcitingthat___peopleliketoplayit.A.millionofB.millionsofC.twomillionsof()2.Thereare__daysinaweek.andSundayisthe____day.A.seven,firstB.seven,oneC.seventh,first(

)3.-Excuseme,whichisthewaytothepark?-Sorry,Idon’tknow.Thisismy_____timehere.A.firstB.secondC.third()4.Father’sDayisonthe____SundayinJune.A.firstB.secondC.third单项选择()5.—David,howoldisyourfatherthisyear?—________.Andwewillhaveaspecialpartyforhis________birthdaynextweekend.A.Fortieth;fortyB.Forty;forty

C.Forty;fortiethD.Fortieth;fortieth()6.Now,pleaseturntoPage______andlookatthe_______picture.A．Fifth；fiveB．Five；fifthC．Fifth；fifthD．Five；fiveCBHegetsthe

(one)intheEnglishtestthistime.2.Tomwillcomeonthe

(twelve)ofthismonth.3.Thereare

daysinaweek.Saturdayisthe

day(seven).4.Thisismy

(three)time________(come)toNan