新人教版PEP小學(xué)英語五年級下冊第四單元第四課時Unit4-when-is-Easter-B-Let's-learn

Unit4WhenisEaster?BLet’slearnAskandanswersecondfirstfourthJune4thFebruary2ndfifthAugust1stthird3rdJanuary3rdJuly5th4th1st2nd5thFlashgamemathtestDec.1stChinesetestEnglishtestJuly5thApril4thSportsmeetOct.3rdschooltripWhenisthe_____________?It’son__________________.Mar.2ndSingingcontest表示數(shù)目順序的詞叫序數(shù)詞。例如:第一，第二，……序數(shù)詞firstsecondthirdfourth第二第三第四第一fifth(ve變f)第五sixthseventheighth（-t）第六第七第八ninth(-e)第九tenth第十特殊變化的：第一，第二，第三（結(jié)尾t,d,d），第五，ve要用f替）；第八（減t），第九(減e),其他的序數(shù)詞要在基數(shù)詞后面+th基數(shù)詞變序數(shù)詞規(guī)則數(shù)字11121314基數(shù)詞序數(shù)詞eleventwelvethirteenfourteeneleventhtwelfththirteenthfourteenth1516171819fifteenthsixteenthseventeentheighteenthnineteenthsixteenseventeeneighteennineteenfifteen在11-19的序數(shù)詞里面，只有第十二的變化最為特殊，twelfth1)在第1到第19之間：特殊變化的：第一，第二，第三，第五，第八，第九,第十二2）其他的序數(shù)詞要在基數(shù)詞后面+th基數(shù)詞變序數(shù)詞規(guī)則數(shù)字20304050

基數(shù)詞整十的數(shù)twentythirtyfortyfifty數(shù)字60708090基數(shù)詞sixtyseventyeightyninety序數(shù)詞十位整數(shù)的序數(shù)詞的構(gòu)成方法:是將十位整數(shù)的詞尾-y,變成i和e再加–th;例如：twenty----twentieth

基數(shù)詞twentythirtyfortyfifty序數(shù)詞十位整數(shù)變序數(shù)詞twentieththirtiethfortiethfiftieth基數(shù)詞sixtyseventyeightyninety序數(shù)詞sixtiethseventietheightiethninetieth序數(shù)詞幾十幾（例如32，68等）序數(shù)詞變化方法：只是把個位數(shù)變成相應(yīng)的序數(shù)詞,十位數(shù)不變例如：21:53:66:twenty-onetwenty-firstfifty-threefifty-thirdsixty-sixsixty-sixthWhenis___________________?It’son____________________Newyear’sDayFebruary1stAprilFool’sDayApril1stChildren’sDayJune1stChina’sNationalDayOctober1stMayDayMay1stWhenisTreePlantingDay?It’sonMarch12th.WhenisChristmas?It’sonDecember25th.Whenisyourbirthday?It’son

August21st.twenty-first21sttwenty-oneFebruary21stDec.21stWhenisgrandpa’sbirthday?It’son

October12th.12th

twelfthtwelveApril12thSept.12thJanuary12thWhenisgrandma’sbirthday?It’son

April20th.twentieth20thtwentyAugust20thMarch20thOct.20thWhenisDad’sbirthday?It’son

November30th.thirtieth30ththirtyJuly30thMarch30thJune30thWhenisMum’sbirthday?It’son

February23rd.twenty-third23rdtwenty-threeApril23rdMay23rdNov.23rdtwenty-thirdtwelfthtwenty-firstthirtiethtwentiethtwenty-thirdtwelfthtwenty-firstthirtiethtwentieth23rd12th21st30th20thWuyifan’sbirthdayisonAugust21st.Grandpa’sbirthdayisonOctober12th.Grandma’sbirthdayisonApril20th.Dad’sbirthdayisonNovember30th.Mum’sbirthdayisonFebruary23rd.Whenisyourbirthday?Mybirthdayison_______Whenisyour/yourfather’s/yourmother’sbirthday?Myb