中考英语数词总复习课件

《中考英语数词总复习课件》由会员上传分享，免费在线阅读，更多相关内容在教育资源-天天文库。

1、数词初三英语总复习你能写出下列数词吗？38122045100threeeighttwelvetwentyforty-fiveonehundred第2第9第13第20第32第100secondninththirteenthtwentieththirty-thirdonehundredth数词的分类数词基数词序数词基数词定义：基数词用来表示数目，或者表示数量的词叫基数词。一个苹果八辆汽车两支钢笔十张课桌oneappletwopenstendeskseightbuses基数词的构成1one11eleven100ahu

2、ndred2two12twelve20twenty1,000athousand3three13thirteen30thirty1,000,000amillion4four14fourteen40forty10,000,000tenmillion5five15fifteen50fifty6six16sixteen60sixty7seven17seventeen70seventy8eight18eighteen80eighty9nine19nineteen90ninety10ten两位基数词的构成213457668

3、9twenty-onethirty-fourfifty-sevensixty-sixeighty-nine三位基数词的构成457890608389threehundredandeighty-ninefourhundredandfifty-seveneighthundredandninetysixhundredandeight序数词定义：表示数目顺序的词叫序数词。相当于中文的“第几”。序数词在使用时，通常前面要加定冠词the.如：Shelivesonthefifthfloor.序数词的构成口诀基变序，有规律，词尾

4、常加-th。一、二、三特殊记，词尾字母t,d,d.八减t，九减e,f来把ve替。ty字母作结尾，ty变成tie.若是遇上“几十几”，只变个位就可以。序数词的基本构成第一---第十第十一---第十九第二十以上firsteleventhtwentiethsecondtwelfththirtieththirdthirteenthfortiethfourthfourteenthfiftiethfifthfifteenthsixtiethsixthsixteenthseventiethseventhseventeenth

5、eightietheightheighteenthninetiethninthnineteenthhundredthtenthtwohundredth两位序数词的构成第33第46第89第66thethirty-thirdtheforty-sixththeeighty-ninththesixty-sixth数词的用法例1、--I’vecutthecakeinto___pieces.Whichpiecedoyouwant?--The___one,It’sthebiggest.A.five,twoB.fifth,tw

6、oC.five,second用法1、表示数量多少用基数词；表示顺序用序数词√1.表示数量用基数词。575名学生73两自行车fivehundredandseventy-fivestudentsseventy-threebikes2.表示事物的顺序用序数词。Mondayistheseconddayofaweek.Januaryisthefirstmonthofayear.Winteristhefourthseasonofayear.例2、Ioftenhavebreakfastat___.A.fiftypastsix

7、B.sixfiftyC.fiftytosix√用法2、表达时间用基数词1、先时后分6：45sixforty-five9:30ninethirty2、先分后时◆当分钟数小于30分时，用分钟数+past+点钟数6:10tenpastsix9:20twentypastnine◆当分钟数等于30分时，用half+past+点钟数9:30halfpastnine2:3ohalfpasttwo◆当分钟数大于30分时，用(60-分钟数)+to+下一个点钟数6:45fifteentoseven或aquartertoseven8

8、:55fivetonine翻译：五年半三天半fiveandahalfyears/fiveyearsandahalfthreeandahalfdays/threedaysandahalf用法3、表达“几个半”用基数词“基数词+andahalf+复数形式”或“基数词+单数/复数形式+andahalf”例、Ittookme_____towritethebookA.twoandhalfyear