九年级英语中考复习专题课件4数词全国通用.ppt

数词 数词 基数词 序数词 表数量 后面常跟名词复数 1除外 表顺序 后面常跟名词单数 前面一般有the或代词修饰 读出下列数字的基数词和序数词1 2 3 4 5 6 7 8 9 10 11 12 13 onefirsttwosecondthreethirdfourfourthfivefifthsixsixthsevenseventheighteighthnineninthtententheleveneleventhtwelvetwelfththirteenthirteenth 14 15 16 17 18 19 20 21 fourteenfourteenthfifteenfifteenthsixteensixteenthseventeenseventeentheighteeneighteenthnineteennineteenthtwentytwentiethtwenty onetwenty first 30 40 50 60 70 80 90 100 1000 1 000 000 thirtyfortyfiftysixtyseventyeightyninetyonehundredonethousandonemillion 用法 1 基数词 名词复数the 序数词 名词单数eg ihavetwobookstherearetwelvemonthsinayear januaryisthefirstmonthoftheyearex 1 thereare studentsinourclass a fiftiethb fifty fivec fiftyfived fivety2 thereare daysinaweek mondayisthe day a seven twob seven secondc theseventh two3 thebuildinghas floors heliveson floor a twelve twelfthb twelfth twelvec twelve thetwelfthd twelve twelve4 thereareninety here a personb peoplec man bbcb 用法 hundred thousand million billion百千百万十亿与具体数字连用时 不加s和of 否则加s和ofeg twohundredbooks hundredsofbooksthreethousandtrees thousandsoftreesex 1 eight peoplecametovisitheretoday a hundredofb hundredc hundredsof2 weplanted treeslastweek a 3hundredb hundredofc 3hundreds3 therearemany starsinthesky a thousandb thousandofc thousandsof bac 数学词的表达 分数的表达分子用基数词 分母用序数词 分子大于 分母加seg 三分之一onethird四分之三threefourths threequarters 小数的表达 小数点用 point eg 0 4zeropointfour 百分数的表达 分数用 percent eg 60 sixtypercentex onehalfofthestudents fromchinaa isb arec was2 onesecondofthework donebythecomputera isb arec beihavefinishedreading ofthebook a twothirdb thirdonec twothirds bac 用法 编号的表达 名词 基数词 the 序数词 名词单数eg class7 room101 busno 7lessonone thefirstlesson5 年 月 日的表达顺序 月 日 年in1998inmay 1998onmay4 1998onmay4th 1998 6 其他重点表达 1 半小时halfanhour半天halfaday2 两天半twoandahalfdays twodaysandahalf3 一至两天oneortwodays onedayortwo4 在20世纪90年代inthe1990s5 在他30多岁inhisthirties6 一段5分钟的步行afive minutewalk fiveminutes walk7 一座800米长的桥an800 metre longbridge 7 时刻表达法1 顺读 1 整点 点钟 o clock 6 00atsixo clock2 不整点 点钟 分钟 顺读 6 05sixfive8 50eightfifty2 153 455 308 029 1010 2011 2512 50 twofifteenthreeforty fivefivethirtyeighttwoninetententwentyeleventwenty fivetwelvefifty 2 逆读1 30分钟用分钟 past 点钟 几点过几分 6 05fivepastsix7 30thirtypastsevenorhalfpastseven1 022 043 104 205 256 287 159 3010 3011 30 twopastonefourpasttwotenpastthreetwentypastfourtwenty fivepastfivetwenty eightpastsixfifteenpastsevenhalfpastninehalfpasttenhalfpasteleven 2 30分钟 to 点钟 1 差几分到 点8 50tentonine10 45fifteentoelevenoraquartertoeleven6 357 459 55 twenty fivetosevenaquartertoeightfivetoten 8 25twenty fivepasteight9 15fifteenpastnineoraquarterpastnine10 1510 1211 3012 1512 30 aquarterpasttentwelvepasttenhalfpastelevenaquarterpasttwelvehalfpasttwelve 1 ioftengetupat a sixtwentyb thirty onepastsixc thirty onetosixwehaveclassat a eightthirtyb twentyeightc halftoeight6 55is a sixfiveb fivetosixc fivetoseven4 hecamehereat a twotwob twotofortyc fortytwo5 hewatchedtv a thirty fivepasteightb twenty fivepasteightc twentyeight6 hespent watchingtv a oneandahalfhourb oneandahalfhoursc onehourandhalf aacabb 7 thereare inanhoura thirtyb sixtyc seventy8 children sdayison a july1stb june1stc august1st9 wewilllearn a firstlessonb lessononec theonelesson10 septemberis monthoftheyeara nineb theninthc thenineth11 thereare peopleinthefielda hundredb hundredofc hundredsof12 the letterintheword cinema is i a firstb secondc fourth13 aquartertosevenis a 6 45b 7 45c 7 15 bbbbcba 14 howmuchiselevenand it stwentya sevenb eightc nine15 decemberisthe monthofayear a twelveb twelvethc twelfth16 myfatherhasgoteight stamps a hundredsb hundredc hundreds