Unit 8 Birthdays Period 2 Grammar time & Fun time,Read and find,June 4,the fourth of June,June 6,the sixth of June,June 11,the eleventh of June,the fifteenth of June,June 15,June 16,June 18,the sixteenth of June,the eighteenth of June,观察这些表达日期的词组，你能发现什么规律吗,the 序数词 of 月份,序数词,fourth sixth eleventh fifteenth sixteenth eighteenth,four six eleven fifteen sixteen eighteen,th th th th th th,观察这些序数词，你能发现什么规律吗,基数词,th,序数词,所有的序数词都是在基数词后面直接加th吗,one two three four five six seven eight nine ten,基数词,序数词,first
