序数词的用法
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the eleventh day of January---- January 11th----(May the eleventh)
the twenty-first day of January-- January 21st----(January the twenty-first)
日期的表达
date
读分数时，分子用基数词，分母用序数词，除 了分子是1的情况下外，分母用单数，其他情况 下，分母都用复数形式。书写时要加连词号。 如：1/3 读作： one-third, 2/3 读作 ： two-thirds 5 2/3 读作 ： five and two-thirds
th发音规则
在 th 后以字母er或ern结尾的单词中，或者 最后一个是不发音的e时，th发浊辅音 「ð 」 ，如：mother ,father, brother, weather. Leather, further, southern, northern, either, bathe, breathe. 一般情况下，th字母在代词，冠词，介词，连 词中读浊辅音「ð 」 This, that, these, those, they, them,, their, the ,than, then,….
the first day of January----January 1st----(January the first) the second day of January-----January 2nd----(January the second)
the fifth day of January----January 5th----(January the fifth)
December 25th
It’s on
When is his birthday?
His birthday is on July 13th
(1983.7.13)
Liuxiang
When is his birthday?
His birthday is
on September 12th.
（ 1980.9.12)
几十几的序数词，十位数不变， 个位数变成序数词。
请写出23 24 31 的序数词。
基数词和序数词
基数词：表示数量的词。 序数词：表示顺序的词。 在表示：年月日是，‘年’用基数词。 如：1976年4月1日。 写成：April 1st,1976. 读作：April the first ,nineteen seventysix
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。
基变序，有规律： 1、2、3特殊例， 结尾各是t, d, d; th, 4加起，8加h, 9去e; y结尾改ie, ve要用f替，再 加th莫迟疑； 若是遇到几十几，只变 个位就可以。
seven-----seventh
eight------eighth
nine-------ninth
fifteen--------fifteenth
序数词是由基数词后加-th 变化而来。
基变序有规律，词尾加 上th，特殊例子特殊记
几个特殊变化的序数词
1 five----fifth 2 twelve----twelfth 3 eight----eighth 4 nine----ninth
表示次序的数词叫序数词，是 由基数词变化而来的。
1 one -----first 2 two------second 3 three----third
four------fourth five------fifth six--------sixth
ten-----------tenth eleven-------eleventh twelve-------twelfth thirteen------thirteenth fourteen------fourteenth
Yao Ming
When is your birthday?
It’s on _______ .
Homework 1.抄73 U4 黑体单词 （2） 2.同步54 3.同步作文写在一张纸上 4.状元坊订正59，60，做61，62 5.完成双行本 6.读38—45，背诵45的一句谚语
百度文库
Fill the blank
June Children’s Day is in_________ December Christmas Day is in_________
September Teachers’ Day is in_________ July Summer holiday is in______and______ August
Unit 5 Dates
months
January July
February
March April
August
September October
May
June
November
December
April June September November January March May July August October December February
th在数词(基数词和序数词）中读清辅音 「θ」如：three, third, fourth… 大部分位于词首读清辅音「θ」 thank, thin, thing, thirsty, Thursday.. 以th 结尾的单词，发清辅音「θ」 bath, both, tooth… 在复合词中,th读音与原词中的读音相同 如「θ」 Something, anything, nothing
1. Sixty----sixtieth 2. seventy---seventieth 3.eighty----eightieth 4,ninety----ninetieth
1. twenty-one 21----twenty-first 21st 2.twenty-two 22---twenty-second 22nd
整十的序数词
1 2 3 4 twenty----twentieth thirty----thirtieth forty----fortieth fifty -----fiftieth
整十的序数词把
y 变成 i加-eth
你能写出 sixty seventy eighty ninety 的序数词吗？
你对了吗？
What’s the date th today? October 13 . It’s_________
When is Teacher’s Day?
It’s on Sept.10th
When is Children’s Day? It’s on June 1st.
When is Christmas Day?
the twenty-first day of January-- January 21st----(January the twenty-first)
日期的表达
date
读分数时，分子用基数词，分母用序数词，除 了分子是1的情况下外，分母用单数，其他情况 下，分母都用复数形式。书写时要加连词号。 如：1/3 读作： one-third, 2/3 读作 ： two-thirds 5 2/3 读作 ： five and two-thirds
th发音规则
在 th 后以字母er或ern结尾的单词中，或者 最后一个是不发音的e时，th发浊辅音 「ð 」 ，如：mother ,father, brother, weather. Leather, further, southern, northern, either, bathe, breathe. 一般情况下，th字母在代词，冠词，介词，连 词中读浊辅音「ð 」 This, that, these, those, they, them,, their, the ,than, then,….
the first day of January----January 1st----(January the first) the second day of January-----January 2nd----(January the second)
the fifth day of January----January 5th----(January the fifth)
December 25th
It’s on
When is his birthday?
His birthday is on July 13th
(1983.7.13)
Liuxiang
When is his birthday?
His birthday is
on September 12th.
（ 1980.9.12)
几十几的序数词，十位数不变， 个位数变成序数词。
请写出23 24 31 的序数词。
基数词和序数词
基数词：表示数量的词。 序数词：表示顺序的词。 在表示：年月日是，‘年’用基数词。 如：1976年4月1日。 写成：April 1st,1976. 读作：April the first ,nineteen seventysix
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。
基变序，有规律： 1、2、3特殊例， 结尾各是t, d, d; th, 4加起，8加h, 9去e; y结尾改ie, ve要用f替，再 加th莫迟疑； 若是遇到几十几，只变 个位就可以。
seven-----seventh
eight------eighth
nine-------ninth
fifteen--------fifteenth
序数词是由基数词后加-th 变化而来。
基变序有规律，词尾加 上th，特殊例子特殊记
几个特殊变化的序数词
1 five----fifth 2 twelve----twelfth 3 eight----eighth 4 nine----ninth
表示次序的数词叫序数词，是 由基数词变化而来的。
1 one -----first 2 two------second 3 three----third
four------fourth five------fifth six--------sixth
ten-----------tenth eleven-------eleventh twelve-------twelfth thirteen------thirteenth fourteen------fourteenth
Yao Ming
When is your birthday?
It’s on _______ .
Homework 1.抄73 U4 黑体单词 （2） 2.同步54 3.同步作文写在一张纸上 4.状元坊订正59，60，做61，62 5.完成双行本 6.读38—45，背诵45的一句谚语
百度文库
Fill the blank
June Children’s Day is in_________ December Christmas Day is in_________
September Teachers’ Day is in_________ July Summer holiday is in______and______ August
Unit 5 Dates
months
January July
February
March April
August
September October
May
June
November
December
April June September November January March May July August October December February
th在数词(基数词和序数词）中读清辅音 「θ」如：three, third, fourth… 大部分位于词首读清辅音「θ」 thank, thin, thing, thirsty, Thursday.. 以th 结尾的单词，发清辅音「θ」 bath, both, tooth… 在复合词中,th读音与原词中的读音相同 如「θ」 Something, anything, nothing
1. Sixty----sixtieth 2. seventy---seventieth 3.eighty----eightieth 4,ninety----ninetieth
1. twenty-one 21----twenty-first 21st 2.twenty-two 22---twenty-second 22nd
整十的序数词
1 2 3 4 twenty----twentieth thirty----thirtieth forty----fortieth fifty -----fiftieth
整十的序数词把
y 变成 i加-eth
你能写出 sixty seventy eighty ninety 的序数词吗？
你对了吗？
What’s the date th today? October 13 . It’s_________
When is Teacher’s Day?
It’s on Sept.10th
When is Children’s Day? It’s on June 1st.
When is Christmas Day?