unit3mybirthday第四课时.ppt

读法：读法：February the first 写法：写法：February 1stWhats the date? February 2ndWhats the date? January 3rdWhats the date? May 4thWhats the date?fourth 第四第四October 5thWhats the date?fifth第五第五February 7th February 6thWhats the date?sixthseventhWhats the date?June 8theighth 第八第八 eight eighth 8加上加上hWhats the date?September 9thninth 第九第九 nine ninth 9减减e February 10thWhats the date?tenth 第十第十 基数词 one two three four five six seven eight nine ten 序数词序数词 写法写法 first 1st second 2nd Third 3rd fourth 4th fifth 5th sixth 6th seventh 7th eighth 8th ninth 9th tenth 10th一一,二二,三三 变字体；th要从4加起； 8加h（eighth）,9减e（ninth） f 来把来把ve替，替，ty变成变成tie.后面莫忘后面莫忘th. 基数词 eleven twelve thirteen fourteen fifteen sixteen seventeen eighteen nineteen twenty 序数词序数词 写法写法 eleventh 11th twelfth 12th thirteenth 13th fourteenth 14th fifteenth 15th sixteenth 16th seventeenth 17th eighteenth 18th nineteenth 19th twentieth 20th f 来把来把ve替，替，ty变成变成tie.后面莫忘后面莫忘th. 你能说一说你能说一说“第第21到到第第31” 嘛？第第21 twenty-first 21st 第第22 twenty-second 22nd 第第23 twenty-third 23rd 看看他们的写法有看看他们的写法有什么规律？什么规律？1st 2nd 3rd 4th 5th 6th 7th 8th 9th 10th11th12th13th 14th 15th 16th 17th18th19th 20th21st 22nd 23rd 24th 25th 26th 27th 28th 29th 30th