七年级英语上册《Unit 8 When is your birthday？the first period》课件 (新版)人教新目标版.ppt

* * = the first period = the eighth unit one two three four five six seven eight nine eleven twelve thirteen fourteen fifteen sixteen seventeen eighteen nineteen cardinal numbers twenty-one twenty-two twenty-three twenty-four twenty-five twenty-six twenty-seven twenty-eight twenty-nine one hundred 基数词 ten twenty thirty forty fifty sixty seventy eighty ninety one two three four five six seven eight nine eleven twelve thirteen fourteen fifteen sixteen seventeen eighteen nineteen first second third fourth fifth sixth seventh eighth ninth eleventh twelfth thirteenth fourteenth fifteenth sixteenth seventeenth eighteenth nineteenth 1st 2nd 3rd 4th 5th 6th 7th 8th 9th 11th 12th 13th 14th 15th 16th 17th 18th 19th ordinal numbers cardinal numbers shortforms 基数词 序数词 缩略形式 ten twenty thirty forty fifty sixty seventy eighty ninety tenth twentieth thirtieth fortieth fiftieth sixtieth seventieth eightieth ninetieth 10th 20th 30th 40th 50th 60th 70th 80th 90th twenty-one twenty-two twenty-three twenty-four twenty-five twenty-six twenty-seven twenty-eight twenty-nine twenty-first twenty-second twenty-third twenty-fourth twenty-fifth twenty-sixth twenty-seventh twenty-eighth twenty-ninth 聪明的你： 能找出基数词变序数词的规律吗？ 基数词变序数词，加上-th莫迟疑。 一,二,三特殊记, 1,2,3尾t,d,d. 8去t,9去e, y结尾变ie。 five,twelve两兄弟,常以f代ve。 若是遇到几十几,只变个位就可以。 Please write down the numbers as quickly as you can. P96 基数词 one two three four five six seven eight nine ten eleven twelve nineteen 序数词 first second third fourth fifth sixth seventh eighth ninth tenth eleventh twelfth nineteenth 缩写 1st 2nd 3rd 4th 5th 6th 7th 8th 9th 10th 11th 12th 19th 基数词 20 21 22 23 24 25 26 27 28 29 30 31 100 序数词 twentieth twenty-first twenty-second twenty-third twenty-fourth twenty-fifth twenty-sixth twenty-seventh twenty-eighth twenty-ninth thirtieth thirty-first one hundredth 缩写 20th 21st 22nd 23rd 24th 25th 26th 27th 28th 29th 30th 31st 100th There are _________ months in a year. twelve How many months are there in a year?