Unit 8 Section B Self Check课件2021-2022学年人教版英语七年级上册

第5课时 Self Check Unit 8 When is your birthday? Warming-up What is the ___________ month of a year? Game time A B first second third fourth fifth sixth seventh eighth ninth tenth eleventh twelfth January February March April May June July August September October November December Warming-up Cardinal Numbers Ordinal Numbers Game time 序数词的含义 表示顺序的数词叫做序数 词，是由基数词演变来的。 Revision Review how to change into ordinal numbers. 基变序，有规律， 词尾加上-th。 一、二、三、特殊记，词尾字母t, d, d。 八去t，九除e，ve 要用f替, ty将y变成i，th 前面有个e。 若是碰到几十几，前用基来后用序。 基数词变序数词口诀 Revision Review how to change into ordinal numbers. 1.时间顺序 Thursday is the fifth day of the week. 2. 空间顺序 Your room is on the ninth floor. 序数词用来表达顺序 Revision Review how to change into ordinal numbers. Thursday is the fifth day of the week. Your room is on the ninth floor. It’s on the fourth floor. It’s on the third Sunday of June. 序数词前一般要加定冠词the This is my grandpa’s eightieth birthday. 序数词前有其他的修饰词时不用the Revision Review how to change into ordin