Unit 8 When is your birthday Section A Grammar Focus-3c-【七彩课堂】2023-2024学年七年级英语上册同步教学配套课件（人教版）

Section A Grammar Focus-3c To talk about dates by using ordinal numbers. To use When questions to ask others’ birthdays and answer. To grasp the usage of in and on in the expression of time. Language Goals To know the age and birthday of others, and to know people around you better. Emotional Goal When is your father’s birthday? His birthday is on… His/Her birthday is on… When is your deskmate’s birthday? Pair work When is your birthday? My birthday is on May 2nd. When is his birthday? His birthday is on January 17th. When is her birthday? It’s in August. When is Alice’s birthday? Her birthday is on September 5th. When is your father’s birthday? His birthday is on April 21st. Grammar Focus first second third fourth fifth sixth seventh eighth ninth tenth eleventh twelfth thirteenth fourteenth fifteenth sixteenth seventeenth eighteenth nineteenth twentieth twenty-first twenty-second twenty-third twenty-fouth twenty-fifth twenty-sixth twenty-seventh twenty-eighth twenty-ninth thirtieth thirty-first 序数词表 序数词: 表示事物顺序的词, 其前常加定冠词the。 数字 序数词变化规则 例词 1,2.3 特殊记 one →first 第一 two → second 第二； three →third 第三 4～19 基数词词尾加-th 特殊：five→fifth第五； eight → eighth 第八； nine→ninth 第九 twelve → twelfth 第十二 一般：four→fourth 第四 nineteen → nineteenth 第十九 20, 30 40, 50, 60, 70, 80, 90 -ty变为-tie再加th twenty → twentieth 第二十 thirty → thirtieth 第三十 forty →fortieth 第四十 fifty → fiftieth 第五十 sixty → sixtieth 第六十 seventy → seventieth 第七十 eighty → eightieth 第八十 ninety → ninetieth 第九十 其余两位数 将相应基数词的个位改为基数词 twenty-one → twenty-first 第二十一；thirty-nine → thirty-ninth第三十九；forty-six → forty-sixth 第四十六 【记忆口诀】 基变序，有规律，th从4起。 一、二、三特殊记，词尾字母t, d, d。 八去t，九去e，f来把ve替，再加-th。 ty变成tie再加th。 遇到几十几，只变个位就可以。 序数词表顺序，一般须加定冠词。 Grammar focus 1. _______is your birthday? It's ____________________. 你的生日在什么时候？ 在1月21日。 2. _______ is her birthday？ It's ____________________. 她的生日在什么时候？ 在5月8日。 3. _______ is his birthday? It's _______________.