四年级上册英语课件-Unit 1 Our birthdays 1_深港朗文版.ppt

1、Unit 1 Our birthday 基数词 其形式如下：（1）从1-12 one，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13 thirteen 30 thirty14 fo

2、urteen 40 forty15 fifteen 50 fifty16 sixteen 60 sixty17 seventeen 70 seventy18 eighteen 80 eighty19 nineteen 90 ninety 表示几十几时，在几十和个位基数词形式之间添加连字符“-”21 twenty-one 45 forty-five 76 seventy-six one first two second three third five fifth eight eighth nine ninth twelve twelfth如果是整的两位数（比如十，二十）变序数词 ty变成tie

3、，再加th,例：twenty thirty 第二十 twentieth第三十 thirtieth forty fifty 第四十 fortieth 第五十 fiftieth sixty seventy 第六十 sixtieth第七十 seventieth eighty ninety 第八十 eightieth第九十 ninetiethfirst second third fiftheighth ninth twelfth fifteenth twentieth thirtiethfourthsixthseventh tentheleventh thirteenth fourteenthsixt

4、eenth seventeentheighteenthnineteenth 基数词变为序数词口诀：1.一二三，特别记2.八减 t ，九去 e ，3.f 要将 ve 替4.y 变为 ie，然后再加-th 5.“几十几”要注意,只变个位就可以1 2 3 4 5 6 7 8 9 1011 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30stthththrdrdndndstththththththththththththththththththththththe序数词 第Practice基数词序数词缩写1.1 (one)()()2.2 (

5、)(second)()3.3 ()()(3rd )4.5 ()()()5.9 ()()()6.20 ()()()January 一月February二月March 三月AprilApril 四月May五月JuneJune 六月July七月August 八月September九月October十月NovemberNovember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JanuaryFebruaryMarchOctoberAprilNovemberAugustMayJulyDecemberJ

6、unet.January 16读作：January the sixteenthJanuary 23读作：January the twenty-thirdJanuary 24读作：January the twenty-fourthJanuary 31读作：January the thirty-firstHow many months are there?There are 12months.February 1读作：February the firstFebruary 8读作：February the eighthJanuary 24读作：January the twenty-fourthJan

7、uary 31读作：January the thirty-firstMy birthday is in October.My birthday is on October 18.Teachers Dayon June 1on October 1on September 10May Day劳动节Childrens DayNational DayChristmas Dayon December 25on May 1What are they?They areDecember十二月Whens your birthday?Its on September 11.Say a chant:January,

8、February,one and twoMarch,April,three and fourMay,June,five and sixJuly,August,seven and eightSeptember,October,nine and tenNovember,December,the year is done!B:My birthday is in May.我的生日在5月A:Whens your birthday?你的生日是什么时候？whens=when is什么时候注意：表示几月而没有几日前用介词in。B:My birthday is on May28.我的生日在5月28日A:When

9、s your birthday?你的生日是什么时候？whens=when is什么时候日期的表达方式：月份后面直接加数字。注意：表示在具体的几月几日前用介词on January 1February2March3April4May5June6July12August20September21October22November23December30日期的表达方式：the+序数词+of+月份A:Whens your birthday?B:My birthday is in _.My birthday is on_.Look and say用下列句型去询问你的朋友的生日 1 Words Januar

10、y 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:Whens your birthday?当你说出自己生日的日期时,可以使用句型:My birthdays onMy birthdays inHomework 1 抄写十二个月份单词，中英各二 2 写出1-30的序数词.3 用英语表达下列日期：9月1日11月2日3月3日5月5日4月8日8月9日10月12日1月20日6月21日2月22日 7月23日12月25日