四年级上册英语课件Unit1Ourbirthdays1深港朗文.ppt

Unit1Ourbirthday,基数词其形式如下：（1）从1-12one，two，three，four，five，six，seven，eight，nine，ten,eleven，twelve.,（2）从1319，thirteen，fourteen，fifteen，sixteen，seventeen，eighteen，nineteen这里除thirteen，fifteen，eighteen为特殊形式外，fourteen，sixteen，seventeen，nineteen都是由其个位数形式后添加后缀-teen构成。,观察，总结规律13thirteen30thirty14fourteen40forty15fifteen50fifty16sixteen60sixty17seventeen70seventy18eighteen80eighty19nineteen90ninety,表示几十几时，在几十和个位基数词形式之间添加连字符“-”21twenty-one45forty-five76seventy-six,onefirsttwosecondthreethirdfivefiftheighteighthnineninthtwelvetwelfth,如果是整的两位数（比如十，二十）变序数词ty变成tie，再加th,例：,twentythirty第二十twentieth第三十thirtiethfortyfifty第四十fortieth第五十fiftiethsixtyseventy第六十sixtieth第七十seventietheightyninety第八十eightieth第九十ninetieth,firstsecondthirdfiftheighthninthtwelfthfifteenthtwentieththirtieth,fourthsixthseventhtenthelevenththirteenthfourteenthsixteenthseventeentheighteenthnineteenth,基数词变为序数词口诀：一二三，特别记八减t，九去e，f要将ve替y变为ie，然后再加-th“几十几”要注意,只变个位就可以,234567891012131415161718192021222324252627282930,st,th,th,th,rd,rd,nd,nd,st,th,th,th,th,th,th,th,th,th,th,th,th,th,th,th,th,th,th,th,th,th,the,序数词,第,Practice基数词序数词缩写1.1(one)()()2.2()(second)()3.3()()(3rd)4.5()()()5.9()()()6.20()()(),January一月,February二月,March三月,April,April四月,May五月,June,June六月,July七月,August八月,September九月,October十月,November,November十一月,December十二月,一月二月三月四月五月六月七月八月九月十月十一月十二月,September,以-uary结尾以Ju-开头以-ber结尾其余的,January,February,March,October,April,November,August,May,July,December,June,t.,January16读作：Januarythesixteenth,January23读作：Januarythetwenty-third,January24读作：Januarythetwenty-fourth,January31读作：Januarythethirty-first,Howmanymonthsarethere?,Thereare12months.,February1读作：Februarythefirst,February8读作：Februarytheeighth,January24读作：Januarythetwenty-fourth,January31读作：Januarythethirty-first,MybirthdayisinOctober.,MybirthdayisonOctober18.,TeachersDay,onJune1,onOctober1,onSeptember10,MayDay劳动节,ChildrensDay,NationalDay,ChristmasDay,onDecember25,onMay1,Whatarethey?,Theyare,December十二月,Whensyourbirthday?,ItsonSeptember11.,Sayachant:,January,February,oneandtwoMarch,April,threeandfourMay,June,fiveandsixJuly,August,sevenandeightSeptember,October,nineandtenNovember,December,theyearisdone!,B:MybirthdayisinMay.我的生日在5月,A:Whensyourbirthday?你的生日是什么时候？,whens=whenis,B:MybirthdayisonMay28.我的生日在5月28日,A:Whensyourbirthday?你的生日是什么时候？,whens=whenis,January1February2March3April4May5June6July12August20September21October22November23December30,日期的表达方式：the+序数词+of+月份,A:Whensyourbirthday?B:Mybirthdayisin_.Mybirthdayison_.,Lookandsay用下列句型去询问你的朋友的生日,1WordsJanuary一月July七月February二月August八月March三月September九月April四月October十月May五月November十一月June六月December十二月,Revision:,2.Phrases当你想知道别人的生日时,你可以问:Whensyourbirthday?当你说出自己生日的日期时,