英语基数词序数词
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基数词：表示数目（多少）的数词。 年龄和时间的表达用基数词。
One Two Three Four Five Six Seven Eight Nine Ten
Eleven Twelve Thirteen Fourteen Fifteen Sixteen Seventeen Eighteen Nineteen Twenty
seventh •July is the ________month of a year.
January •________ is the 1st month of the year. February •_______ is the 2nd month of the year. May •________is the 5th month of the year. eighth •August is the ____ month of the year.
twenty-first twenty-second twenty-third twenty-fourth twenty-fifth twenty-sixth twenty-seventh twenty-eighth twenty-ninth thirtieth
注意：序数词在使用时，通常前面要加定冠词the。 日期用序数词表示，前面可加the，也可以省略。
基础训练
first •January is the_____ month of a year.
•March is the ______month of a year. third
fourth •April is the ______month of a year.
sixth •June is the _______month of a year.
October 4. National Day (国庆节)is in ________.
September 5. Teachers’ Day is in ____________.
• • • •
•
Christmas Day（圣诞节） is in _________. December April April Fool’s Day (愚人节)is in ________. June Children’s Day (儿童节) is in ________. June Students have summer holiday(暑假) in _____ and _____. July November Thanksgiving(感恩节) is in _________.
twenty-third
twenty-fourth twenty-fifth twenty-sixth twenty-seventh twenty-eighth twenty-ninth thirtieth thirty-first
基变序，有规律， 一、二、三单独记。 -th ,四加起， 遇到ve, f 替, 后跟th莫迟疑。 若想表示几十几， 只变个位就可以。 八去t来、 九去 e 。 -ty变为 tie,
Is your it _______ _____ _______ birthday on January 10th? No,______ isn’t
February 1. Spring Festival (春节)is in January or _______. _________
2. Tree Planting Day (植树节)is in _______. March 3. Mother’s Day is in ______. May
three_ third twenty_ twentieth thirty-one_ thirty-first
nine_wk.baidu.comninth eight_ eighth
When
2、Nick is ________ How
能力训练
3、My birthday is on January 10th.(一般疑问句并做否定回答）
Learn these numbers and find out the rules: 一起找规律
1st 2nd 3rd 4th 5th 6th 7th 8th 9th 10th first 11th second 12th third 13th fourth 14th 15th fifth sixth 16th seventh 17th eighth 18th ninth 19th tenth 20th eleventh twelfth thirteenth fourteenth fifteenth sixteenth seventeenth eighteenth nineteenth twentieth 21st 22nd 23rd 24th 25th 26th 27th 28th 29th 30th 31st twenty-first twenty-second
Twenty-one Twenty-two Thirty Forty Fifty Sixty Seventy Eighty Ninety A hundred
序数词：指表示顺序的数词。 有时，序数词可以用缩写形式来表示。
1st 2nd 3rd 4th 5th 6th 7th 8th 9th 10th first second third fourth fifth sixth seventh eighth ninth tenth 11th 12th 13th 14th 15th 16th 17th 18th 19th 20th eleventh 21st twelfth 22nd thirteenth 23rd fourteenth 24th fifteenth 25th sixteenth 26th seventeenth 27th eighteenth 28th nineteenth 29th twentieth 30th
•October is the____tenth of the year. month
基础训练
1、把下列基数词变为序数词。 two_ second twelve_twelfth five_ fifth
2、按要求变换句子。 1、My birthday is on August fourth(对划线部分提问） is your birthday? thirteen(提问） _________ is Nick? old
One Two Three Four Five Six Seven Eight Nine Ten
Eleven Twelve Thirteen Fourteen Fifteen Sixteen Seventeen Eighteen Nineteen Twenty
seventh •July is the ________month of a year.
January •________ is the 1st month of the year. February •_______ is the 2nd month of the year. May •________is the 5th month of the year. eighth •August is the ____ month of the year.
twenty-first twenty-second twenty-third twenty-fourth twenty-fifth twenty-sixth twenty-seventh twenty-eighth twenty-ninth thirtieth
注意：序数词在使用时，通常前面要加定冠词the。 日期用序数词表示，前面可加the，也可以省略。
基础训练
first •January is the_____ month of a year.
•March is the ______month of a year. third
fourth •April is the ______month of a year.
sixth •June is the _______month of a year.
October 4. National Day (国庆节)is in ________.
September 5. Teachers’ Day is in ____________.
• • • •
•
Christmas Day（圣诞节） is in _________. December April April Fool’s Day (愚人节)is in ________. June Children’s Day (儿童节) is in ________. June Students have summer holiday(暑假) in _____ and _____. July November Thanksgiving(感恩节) is in _________.
twenty-third
twenty-fourth twenty-fifth twenty-sixth twenty-seventh twenty-eighth twenty-ninth thirtieth thirty-first
基变序，有规律， 一、二、三单独记。 -th ,四加起， 遇到ve, f 替, 后跟th莫迟疑。 若想表示几十几， 只变个位就可以。 八去t来、 九去 e 。 -ty变为 tie,
Is your it _______ _____ _______ birthday on January 10th? No,______ isn’t
February 1. Spring Festival (春节)is in January or _______. _________
2. Tree Planting Day (植树节)is in _______. March 3. Mother’s Day is in ______. May
three_ third twenty_ twentieth thirty-one_ thirty-first
nine_wk.baidu.comninth eight_ eighth
When
2、Nick is ________ How
能力训练
3、My birthday is on January 10th.(一般疑问句并做否定回答）
Learn these numbers and find out the rules: 一起找规律
1st 2nd 3rd 4th 5th 6th 7th 8th 9th 10th first 11th second 12th third 13th fourth 14th 15th fifth sixth 16th seventh 17th eighth 18th ninth 19th tenth 20th eleventh twelfth thirteenth fourteenth fifteenth sixteenth seventeenth eighteenth nineteenth twentieth 21st 22nd 23rd 24th 25th 26th 27th 28th 29th 30th 31st twenty-first twenty-second
Twenty-one Twenty-two Thirty Forty Fifty Sixty Seventy Eighty Ninety A hundred
序数词：指表示顺序的数词。 有时，序数词可以用缩写形式来表示。
1st 2nd 3rd 4th 5th 6th 7th 8th 9th 10th first second third fourth fifth sixth seventh eighth ninth tenth 11th 12th 13th 14th 15th 16th 17th 18th 19th 20th eleventh 21st twelfth 22nd thirteenth 23rd fourteenth 24th fifteenth 25th sixteenth 26th seventeenth 27th eighteenth 28th nineteenth 29th twentieth 30th
•October is the____tenth of the year. month
基础训练
1、把下列基数词变为序数词。 two_ second twelve_twelfth five_ fifth
2、按要求变换句子。 1、My birthday is on August fourth(对划线部分提问） is your birthday? thirteen(提问） _________ is Nick? old