基数词与序数词

基数词与序数词twelfthWhoisthefirstintheboy'sline?I’mthefirstsecondthirdfourthfifthsixthseventheighthninthtentheleventh

基数词

序数词

onefirsttwosecondthreethirdfourfourthfivefifthsixsixthsevenseventheighteighthnineninthtententh基数词序数词eleveneleventh

twelvetwelfththirteen

thirteenthfourteenfourteenthfifteenfifteenthsixteen

sixteenthseventeenseventeentheighteen

eighteenthnineteennineteenthtwentytwentieth

基数词

序数词

twenty-onetwenty-firsttwenty-twotwenty-secondtwenty-threetwenty-thirdtwenty-four

twenty-fourth……thirty

thirtieththirty-onethirty-first……

4th5th6th7th8th9th

10th11th12th

13th14th15th16th17th18th19th20th

30th

onetwothreefourfivesixseveneightnineteneleventwelve

基数词thirteenfourteenfifteensixteenseventeeneighteennineteentwentytwenty-onetwenty-twotwenty-threethirty基数词firstsecondthirdfourthfifthsixth

seventh

eighth

ninth

tentheleventhtwelfth

序数词thirteenthfourteenthfifteenth

sixteenthseventeentheighteenth

nineteenthtwentiethtwenty-firsttwenty-secondtwenty-thirdthirtieth

序数词基变序，有规律，词尾加上th.123特殊记，词尾字母t，d，d。

8少

t，9去

e，f来把ve

替。整十变y为ie，后跟th莫迟疑。若想表示几十几，只变个位就可以。1st2nd3rd21st22nd23rdCanyoureadthesenumbers?2nd11th5th30th21st44th12th63rd9th18th72nd13th19th56th87th15th31st10th93rd17th12th14th1st

2nd

3rd

6th

9th

22nd21st

29th30th

31st

19th

6th

numbersSaytogether一起说Januaryisthe_____monthofayear.Marchisthe______monthofayear.Aprilisthe______monthofayear.Juneisthe_______monthofayear.Julyisthe________monthofayear.

first

third

fourth

sixth

seventh小试牛刀基础训练1、把下列基数词变为序数词。two_three_nine_twelve_twenty_eight_five_t