(
课件网) 2 0 2 2 2021-2022学年度第二学期 人教PEP英语五年级下册 Unit Four When is the ɑrt show Part B Let’s learn & Look and write Let’s sing. ★ My birthday is in January. My birthday is in January. My birthday is in January. It’s on January My birthday is in August. My birthday is in August. My birthday is in August. It’s on August 5th. 1st. 2nd. 10th. Free talk. ★ When is your birthday My birthday is on … When is your …’s birthday It’s on … When is his grandpa’s/...’s birthday ★ When is Wu Binbin’s birthday ★ twelve twelfth When is Grandpa’s birthday It’s on October 12th. 缩写： 12th twenty twentieth When is Grandma’s birthday It’s on April 20th. 缩写： 20th thirty thirtieth When is Dad’s birthday It’s on November 30th. 缩写： 30th twenty-three twenty-third When is Mum’s birthday It’s on February 23rd. 缩写： 23rd twenty-one twenty-first When is your birthday It’s on August 21st. 缩写： 21st one→first two→second three→third five→fifth twelve→twelfth eight→eighth nine→ninth 特殊情况： 1 特殊情况除外，4~19的序数词一般直接在词尾加th: four→fourth nineteen→nineteenth 2 以ty结尾的整十数的基数词要先变词尾的y为ie，再加th: twenty→twentieth ninety→ninetieth 3 20以上非整十的两位数只将个位数变为序数词： twenty-one→twenty-first ninety-seven→ninety-seventh 4 序数词缩写=阿拉伯数字+序数词最后两个字母 基变序，有规律，词尾加上th， 一、二、三，单独记，词尾字母t、d、d， 八去t，九去e，f要把ve替， 整十变法也容易，ie要把y来替， 若是碰到几十几，只变个位就可以。 Listen, repeat and role-play. ★ When is Grandpa’s birthday It’s on October 12th. 2nd 11th 0 20th 0 19th 0 14th 0 29th 0 22nd 0 9th 0 31st 0 40th 0 24th Catch the ball. ★ 规则：看到棒球上的序数词后，快速说出 下一个序数词，则表示接球成功。 Say out the dates quickly. ★ Jan. 12th May 31st Jul. 3rd Aug. 22nd Feb. 14th Oct. 25th Sept. 28th Mar. 20th 1月1日 3月12日 9月10日 12月25日 4月30日 5月21日 Ask and answer. ★ When is … It’s on … Look and write. ★ When is your birthday My birthday is on March 21st. 21st twelfth twentieth twenty-third twenty-first 基数词变序数词的规律 thirtieth 2. 制作一个表格，列出11～31的基数词、序 数词和序数词缩写。 3. 完成本课时的课后练习。 1. 听录音并跟读“Let’s learn”部分的词汇 及对话。 See you next time!
