(
课件网) Part B Let's learn Sing a song >>Learning aims 1. 能够听、说、读、写5个序数词twelfth(12th), twentieth(20th), twenty-first(21st), twenty-third(23rd), thirtieth(30th)； 2. 能在情境中运用句型When is ... birthday It’s on ...交流不同家庭成员的生日信息。 Hello everyone, let's talk about my family's birthday! Lead-in Presentation When is grandpa's birthday It's on October 12th. New words (12th) 第十二（的） twelve Presentation When is grandma's birthday It's on on April 20th. (20th) 第二十（的） twenty Presentation When is dad's birthday It's on November 30th. (30th) 第三十（的） thirty Presentation When is mum's birthday It's on November 23rd. (23rd) 第二十三（的） twenty-three Presentation When is your birthday It's on August 21st. (21st) 第二十一（的） twenty-one one→first two→second three→third five→fifth twelve→twelfth eight→eighth nine→ninth 特殊情况： 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 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 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 将下列基数词变为序数词 twelve nineteen twenty twenty-one thirty ninety twelfth thirtieth nineteenth ninetieth twentieth twenty-first Say out the dates quickly. Moral education Do you know your family's birthday Our family will celebrate our birthday. We should also remember their birthdays and do something for them. Activity 看图说句 February 23rd Mum’s birthday A: When is _____ B: It’s on _____. Mum’s birthday February 23rd April 20th Grandma’s birthday A: When is _____ B: It’s on _____. Grandma’s birthday April 20th A: When is _____ B: It’s on _____. your birthday August 21st August 21st My birthday Ask and answer When is … It's on … May Day 1. _____ is your birthday A. B. What C. Who 2. It's _____ May 21st . A. to B. on C. in 一、选词填空： When Let's check 二、写出下列词语的完整形式。 1. 2nd _____ 2. 5th _____ 3. 12th _____ 4. 21st _____ 5. 30th _____ 6. 23rd _____ 7. 20th _____ 8. 3rd _____ second twelfth thirtieth fifth twenty-first twenty-third twentieth third Sum up twelfth twentieth thirtieth twenty-third twenty-first 12th 20th 30th 23rd 21st When is your birthday 你的生日是什么时候？ 这是一个由 when 引导的特殊疑问句，用来询问某人的生日是哪天。 句式：When + be动词 + one’s birthday 1. 制作一个表格，列出11～31的基数词、序 数词和序数词缩写。 2. 完成本课时的课后练习。 Homework
