序数词PPT课件.ppt
,元树尔小学 马 清,基数词,表示个数的词叫基数词,1-one 一个 2-two 两个3-three 三个4-four 四个5-five 五个,9-nine 九个12-twelve 十二个20-twenty 二十个21-twenty-one 二十一30-thirty 三十个,几 十几 几十,one eleven two twelve twenty three thirteen thirty four fourteen forty five fifteen fifty six sixteen sixty seven seventeen seventy eight eighteen eighty nine nineteen ninety ten,基数词口诀,基数词不难记，找出规律就容易；0 至12 样各异，一个一个单独记；后加teen 变十几，thirteen fifteen 看仔细；18需要看准确，eighting只有一个；20到90加ty，twenty eithty重点记；forty去掉字母u，thirty fifty更出奇；十位数后接个位，表示数字几十几；排列顺序不费力，连字符号别丢弃；写到几百几十几，and把百与十系；巧学巧记加努力，hundred是你的好成绩。,基数词不难记，找出规律就容易；0 至12 样各异，一个一个单独记；onetwothree fourfive six seven eightnineten eleven twelve,后加teen 变十几，thirteen fifteen 看仔细；18需要看准确，eighteen 只有一个t；thirteen fourteen fifteensixteen seventeen eighteen nineteen,20到90加ty，twenty eithty重点记；forty去掉字母u，thirty fifty更出奇；twenty thirty fortyfifty sixty seventy eighty ninety,十位数后接个位，表示数字几十几；排列顺序不费力，连字符号别丢弃；twenty-one thirty-two ninety-nine,写到几百几十几，and把百与十系；巧学巧记加努力，hundred是你的好成绩。one hundred and twenty-one five hundred and ninety-nine seven hundred and thirty-two,序数词,序数词,基数词(表示个数的词),1-one 一个 2-two 两个3-three 三个4-four 四个5-five 五个9-nine 九个12-twelve 十二个20-twenty 二十个21-twenty-one 二十一个30-thirty 三十个,first(1st)第一,ninth(9th)第九,second(2nd)第二,fourth(4th)第四,third(3rd)第三,thirtieth(30th)第三十,twenty-first(21st)第二十一,twentieth(20th)第二十,fifth(5th)第五,twelfth(12th)第十二,序数词(表示顺序的词),表示次序的数词叫序数词，它是由基数词变化而来的。,序数词一般是由基数词后加-th 变化而来。four（四）-fourth(4th)第四 six（六）-sixth(6th)第六 seven（七）-seventh(7th)第七 ten（十）-tenth(10th)第十 eleven（十一）-eleventh(11th)第十一 thirteen（十三）-thirteenth(13th)第十三 fourteen（十四）-fourteenth(14th)第十四 fifteen（十五）-fifteenth(15th)第十五 sixteen（十六）-sixteenth(16th)第十六 seventeen（十七）-seventeenth(17th)第十七 eighteen（十八）-eighteenth(18th)第十八 nineteen（十九）-nineteenth(19th)第十九,特殊的基数词:,one(一)-first(第一)two(二)-second(第二)three(三)-third(第三),几个特殊变化的序数词,five(五)-fifth(第五)twelve(十二)-twelfth(第十二)eight(八)-eighth(第八)nine(九)-ninth(第九),整十的序数词把 y 变成 i加-eth,1 twenty(二十)-twentieth(第二十)2 thirty(三十)-thirtieth(第三十)3 forty(四十)-fortieth(第四十)4 fifty(五十)-fiftieth(第五十)5 你能写出 sixty seventy eighty ninety 的序数词吗？,你对了吗？,1.Sixty-sixtieth2.seventy-seventieth3.eighty-eightieth4,ninety-ninetieth,几十几的序数词，十位数不变，个位数变成序数词。,1.twenty-one 21(二十一)twenty-first 21st(第二十一)2.thirty-two 32(三十二)thirty-second 32nd(第三十二)3.ninety-nine 99(九十九)ninety-ninth 99th(第九十九)4.请写出66 83 48 55的序数词。,你做对了吗？,sixty-six-sisty-sixtheighty-three-eight-thirdforty-eight-forty-eighthfifty-five-fifty-fifth,基数词变序数词的口诀,基变序，有规律,词尾加上th，(fourth,sixth),一、二、三，特殊例,结尾字母 t,d,d(first,second,third),八去 t，九去 e(eighth,ninth),ve要用f替(fifth,twelfth),ty将y改成i(twenty-twentieth),th前面有个e(fifty-fitieth),若要碰到几十几,前用基来后用序(twenty-four-twenty-fourth),基变序，有规律；词尾加上th,four（四）-fourth(4th)第四 six（六）-sixth(6th)第六 seven（七）-seventh(7th)第七 ten（十）-tenth(10th)第十 eleven（十一）-eleventh(11th)第十一,一、二、三，特殊例结尾字母 t,d,d,one(一)-first(第一)two(二)-second(第二)three(三)-third(第三),八去 t，九去 e；ve要用f替,eight(八)-eighth(第八)nine(九)-ninth(第九),ty将y改成i；th前面有个e,twenty(二十)-twentieth(第二十)thirty(三十)-thirtieth(第三十)forty(四十)-fortieth(第四十)fifty(五十)-fiftieth(第五十),若要碰到几十几；前用基来后用序,1.twenty-one 21(二十一)twenty-first 21st(第二十一)2.thirty-two 32(三十二)thirty-second 32nd(第三十二)3.ninety-nine 99(九十九)ninety-ninth 99th(第九十九),日期的表达 date,Whats the date today?Its March 28th.,Whats the date?(11月15日),Its November 15th.Its+月份+日期.10月5日8月15日9月10日12月21日1月20日3月30日,October fifth.,March thirtieth,August fifteenth,December twenty-first,September tenth,January twentieth,When is your birthday?,Its _.,Whens your birthday?(9月10日),Its on September 10th.Its+on+月份+日期.10月5日8月15日9月10日12月21日1月20日3月30日,October fifth.,March thirtieth,August fifteenth,December twenty-first,September tenth,January twentieth,Whats the date?,Its November 15th.Its+月份+日期.,Its in September.Its+in+月份.Its on September 10th.Its+on+月份+日期.,Whens your birthday?,Is your birthday on+月份+日期?,Yes,it is.No,it isnt.,（1879.3.14-1955.4.),Einstein,His birthday isMarch 14th.,Lu Xun.His birthday is Sept.25th,(1881.9.25-1936.10.19),When is Teachers Day?,Its Sept.10th.,When is Childrens Day?Its June 1st.,When is Christmas Day?,Its Dec.25th,1,How many months are there in a year?()()12 months.2,Whens Grandma()birthday?Its()September./Its()Sep11th.3,()is the first month.()is the second day in a week.4,Whens your birthday?Its()July./Its()Jun5th.5,What()is it today?-Its Wednesday.6,Whats the()today?-Its Sep12th.7,Is your birthday()May17?Yes,it()./No,it().,Fill the blanks(填空),There,in,Monday,in,on,s,on,are,day,January,date,on,isnt,is,看中文写句子:,妈妈的生日是什么时候?在十月份.在九月一日.好主意.你的生日是在十一月十五日吗?一年有多少个月?有十二个月.,写出下列词的序数词;one-()two-()three-()four-()five-()nine-()twelve-()fifteen-()twenty-()twenty-one-(),写出下列日期;5.21()10.1()6.1()12.25()8.25()11.18()1.1()3.30()2.3()9.10(),看中文写句子:,妈妈的生日是什么时候?Whens Mums birthday?在十月份.Its in October.在九月一日.Its on September first.好主意.Good idea.你的生日是在十一月十五日吗?Is your birthday on November15th?6,一年有多少个月?How many months are there in a year?7,有十二个月.There are 12 months.,写出下列词的序数词;one-(first)two-(second)three-(third)four-(fourth)five-(fifth)nine-(ninth)twelve-(twelfth)fifteen-(fifteenth)twenty-(twentieth)twenty-one-(twenty-first),写出下列日期;5.21(May twenty-first)10.1(October first)6.1(June first)12.25(December twenty-fifth)8.19(August nineteenth)11.18(November eighteenth)1.1(January first)3.30(March thirtieth)2.3(February third)9.10(September tenth),
