序数词的用法.ppt

Unit 5 Dates1-months January July February August March September April October May November June December2-April June September November January March May July August October DecemberFebruary3-Fill the blankChildrens Day is in_Christmas Day is in_Teachers Day is in_Summer holiday is in_and_JuneDecemberSeptemberJulyAugust4-基数词变序数词加th,1、2、3要死记，9去e，8减t,f来把ve替，y要变ie,几十几只变个位就可以。5-基基变序，有序，有规律：律：1 1、2 2、3 3特殊例，特殊例，结尾各是尾各是t,d,d;t,d,d;th,4th,4加起，加起，8 8加加h,9h,9去去e;e;y y结尾改尾改ie,veie,ve要用要用f f替，再替，再加加thth莫莫迟疑；疑；若是遇到几十几，只若是遇到几十几，只变个位就可以个位就可以。6-表示次序的数表示次序的数词词叫序数叫序数词词，是，是由基数由基数词变词变化而来的。化而来的。1 one-first2 twosecond3 three-third7-four-fourthfive-fifthsix-sixthseven-seventheight-eighthnine-ninthten-tentheleven-eleventhtwelve-twelfththirteen-thirteenthfourteen-fourteenthfifteen-fifteenth序数序数词词是由基数是由基数词词后加后加-th 变变化而来。化而来。8-几个特殊几个特殊变变化的序数化的序数词词1 five-fifth2 twelve-twelfth3 eight-eighth4 nine-ninth 基变序有规律，词尾加上th，特殊例子特殊记9-整十的序数词把 y 变成 i加-eth1 twenty-twentieth2 thirty-thirtieth3 forty-fortieth4 fifty-fiftieth你能写出 sixty seventy eighty ninety 的序数词吗？整十的序数词10-你你对对了了吗吗？1.Sixty-sixtieth2.seventy-seventieth3.eighty-eightieth4,ninety-ninetieth11-几十几的序数词，十位数不变，个位数变成序数词。1.twenty-one 21-twenty-first 21st2.twenty-two 22-twenty-second 22nd请请写出写出23 24 31 的序数的序数词。12-基数词和序数词基数基数词：表示数量的：表示数量的词。序数序数词：表示：表示顺序的序的词。在表示：年月日是，在表示：年月日是，年年用基数用基数词。如：如：1976年年4月月1日。日。写成：写成：April 1st,1976.读作：作：April the first,nineteen seventy-six13-读分数时，分子分子用基数基数词，分母分母用序数序数词，除了分子是1的情况下外，分母用单数数，其他情况其他情况下，分母都用复数形式。下，分母都用复数形式。书写写时要加要加连词号。号。如：1/3 读作：one-third,2/3 读作：two-thirds 5 2/3 读作：five and two-thirds14-th发音规则在在 th 后以字母后以字母er或或ern结尾的尾的单词中，或者中，或者最后一个是不最后一个是不发音的音的e时，th发浊辅音音 ，如：，如：mother,father,brother,weather.Leather,further,southern,northern,either,bathe,breathe.一般情况下，一般情况下，th字母在代字母在代词，冠，冠词，介，介词，连词中中读浊辅音音 This,that,these,those,they,them,their,the,than,then,.15-th在数在数词(基数基数词和序数和序数词）中）中读清清辅音音如：如：three,third,fourth大部分位于大部分位于词首首读清清辅音音 thank,thin,thing,thirsty,Thursday.以以th 结尾的尾的单词，发清清辅音音 bath,both,tooth在复合在复合词中中,th读音与原音与原词中的中的读音相同音相同如如Something,anything,nothing16-the first day of January-January 1st-(January the first)the second day of January-January 2nd-(January the second)the twenty-first day of January-January 21st-(January the twenty-first)the fifth day of January-January 5th-(January the fifth)the eleventh day of January-January 11th-(May the eleventh)17-18-日期的表达日期的表达 dateWhats the date today?Its_ October 13th.19-When is Teachers Day?Its on Sept.10th.20-When is Childrens Day?Its on June 1st.21-When is Christmas Day?Its on December25th22-His birthday is on July 13th(1983.7.13)LiuxiangWhen is his birthday?23-（1980.9.12)When is his birthday?His birthday ison September 12th.Yao MingYao Ming24-When is your birthday?Its on _.25-Homework1.1.抄抄73 U4 73 U4 黑体黑体单词 （2 2）2.2.同步同步54543.3.同步作文写在一同步作文写在一张纸上上4.4.状元坊状元坊订正正5959，6060，做，做6161，62625.5.完成双行本完成双行本6.6.读38453845，背，背诵4545的一句的一句谚语26-