英语基数词序数词.ppt

英语基数词序数词.ppt

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基数词：

表示数目（多少）的数词。

OneTwoThreeFourFiveSixSevenEightNineTen,ElevenTwelveThirteenFourteenFifteenSixteenSeventeenEighteenNineteenTwenty,Twenty-oneTwenty-twoThirtyFortyFiftySixtySeventyEightyNinetyAhundred,年龄和时间的表达用基数词。

序数词：

指表示顺序的数词。

firstsecondthirdfourthfifthsixthseventheighthninthtenth,11th12th13th14th15th16th17th18th19th20th,twenty-firsttwenty-secondtwenty-thirdtwenty-fourthtwenty-fifthtwenty-sixthtwenty-seventhtwenty-eighthtwenty-ninththirtieth,注意：

序数词在使用时，通常前面要加定冠词the。

有时，序数词可以用缩写形式来表示。

1st2nd3rd4th5th6th7th8th9th10th,eleventhtwelfththirteenthfourteenthfifteenthsixteenthseventeentheighteenthnineteenthtwentieth,21st22nd23rd24th25th26th27th28th29th30th,日期用序数词表示，前面可加the，也可以省略。

Learnthesenumbersandfindouttherules:

一起找规律,1stfirst2ndsecond3rdthird4thfourth5th6th7th8theighth9thninth10th,fifth,sixth,seventh,tenth,11theleventh12thtwelfth13th14th15th16th17th18th19th20thtwentieth,thirteenth,fourteenth,fifteenth,sixteenth,seventeenth,eighteenth,nineteenth,21sttwenty-first22ndtwenty-second23rdtwenty-third24th25th26th27th28th29th30ththirtieth31stthirty-first,twenty-fourth,twenty-fifth,twenty-sixth,twenty-seventh,twenty-eighth,twenty-ninth,基变序，有规律，一、二、三单独记。

-th,四加起，八去t来、九去e。

遇到ve,f替,-ty变为tie,后跟th莫迟疑。

若想表示几十几，只变个位就可以。

Januaryisthe_monthofayear.Marchisthe_monthofayear.Aprilisthe_monthofayear.Juneisthe_monthofayear.Julyisthe_monthofayear.,first,third,fourth,sixth,seventh,小试牛刀,基础训练,_isthe1stmonthoftheyear._isthe2ndmonthoftheyear._isthe5thmonthoftheyear.Augustisthe_monthoftheyear.Octoberisthe_monthoftheyear.,January,February,May,eighth,小试牛刀,基础训练,tenth,1、把下列基数词变为序数词。

two_three_nine_twelve_twenty_eight_five_thirty-one_,second,third,ninth,twelfth,twentieth,eighth,2、按要求变换句子。

1、MybirthdayisonAugustfourth（对划线部分提问）isbirthday?

2、Nickisthirteen（提问）__isNick?

3、MybirthdayisonJanuary10th.（一般疑问句并做否定回答）__birthdayonJanuary10th?

No,__,Howold,Isyour,fifth,thirty-first,itisnt,能力训练,SpringFestival（春节）isin_or_.TreePlantingDay（植树节）isin_.MothersDayisin_.NationalDay（国庆节）isin_.TeachersDayisin_.,JanuaryFebruary,March,May,October,September,ChristmasDay（圣诞节）isin_.AprilFoolsDay（愚人节）isin_.ChildrensDay（儿童节）isin_.Studentshavesummerholiday（暑假）in_and_.Thanksgiving（感恩节）isin_.,December,April,June,June,July,November,你知道这些节日吗？