Unit 4 When is the art show? Part B Let’s learn 课件(共29张PPT)

(共29张PPT)
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