英语人教版五年级下册unit 4.ppt

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1、Unit4WhenisEaster?BLet’slearnAskandanswersecondfirstfourthJune4thFebruary2ndfifthAugust1stthird3rdJanuary3rdJuly5th4th1st2nd5thFlashgamemathtestDec.1stChinesetestEnglishtestJuly5thApril4thSportsmeetOct.3rdschooltripWhenisthe_____________?It’son__________________.M

2、ar.2ndSingingcontest表示数目顺序的词叫序数词。例如:第一，第二，……序数词firstsecondthirdfourth第二第三第四第一fifth(ve变f)第五sixthseventheighth（-t）第六第七第八ninth(-e)第九tenth第十特殊变化的：第一，第二，第三（结尾t,d,d），第五，ve要用f替）；第八（减t），第九(减e),其他的序数词要在基数词后面+th基数词变序数词规则eleventwelvethirteenfourteeneleventhtwelfththirteenthf

3、ourteenthfifteenthsixteenthseventeentheighteenthnineteenthsixteenseventeeneighteennineteenfifteen在11-19的序数词里面，只有第十二的变化最为特殊，twelfth1)在第1到第19之间：特殊变化的：第一，第二，第三，第五，第八，第九,第十二2）其他的序数词要在基数词后面+th基数词变序数词规则整十的数twentythirtyfortyfiftysixtyseventyeightyninety序数词十位整数的序数词的构成方法:是

4、将十位整数的词尾-y,变成i和e再加–th;例如：twenty----twentieth十位整数变序数词twentieththirtiethfortiethfiftiethsixtiethseventietheightiethninetieth序数词几十几（例如32，68等）序数词变化方法：只是把个位数变成相应的序数词,十位数不变例如：21:53:66:twenty-onetwenty-firstfifty-threefifty-thirdsixty-sixsixty-sixthWhenis________________

5、___?It’son____________________Newyear’sDayFebruary1stAprilFool’sDayApril1stChildren’sDayJune1stChina’sNationalDayOctober1stMayDayMay1stWhenisTreePlantingDay?It’sonMarch12th.WhenisChristmas?It’sonDecember25th.Whenisyourbirthday?It’sonAugust21st.twenty-first21sttwen

6、ty-oneFebruary21stDec.21stWhenisgrandpa’sbirthday?It’sonOctober12th.12thtwelfthtwelveApril12thSept.12thJanuary12thWhenisgrandma’sbirthday?It’sonApril20th.twentieth20thtwentyAugust20thMarch20thOct.20thWhenisDad’sbirthday?It’sonNovember30th.thirtieth30ththirtyJuly30

7、thMarch30thJune30thWhenisMum’sbirthday?It’sonFebruary23rd.twenty-third23rdtwenty-threeApril23rdMay23rdNov.23rdtwenty-thirdtwelfthtwenty-firstthirtiethtwentiethtwenty-thirdtwelfthtwenty-firstthirtiethtwentieth23rd12th21st30th20thWuyifan’sbirthdayisonAugust21st.Gran

8、dpa’sbirthdayisonOctober12th.Grandma’sbirthdayisonApril20th.Dad’sbirthdayisonNovember30th.Mum’sbirthdayisonFebruary23rd.Whenisyourbirthday?Mybirthdayiso