(共19张PPT)
Unit 3 Is this your pencil
Section B 2a-2c
Learning Objectives
learn to read the notice about lost and found things
talk about the things you lost and found.
Lead in
Helen goes to school in the morning. She is so careless (粗心的). Do you know what she lost
She lost a key, a notebook, a baseball, a watch and a computer game.
Do you often lose things like Helen
What do you lose easily
Write the things you lose easily.
2a
______________________________________________________________________________________________________________________________________________________________________________________________________
key
ID card
notebook
eraser
ruler
Some students are reading the notices on the board.
The notices are about the things students lost and found. Let’s have a look.
Lost and found
Pre-reading
How many notices can you see
Read the notices on the board and circle the lost things.
2b
While-reading
[观察1] Some students are in the classroom.
一些学生在教室里。
There is some rice in the bag. 袋子里有一些大米。
[探究] some可用来修饰可数名词复数和________名词，常用于肯定句中；否定句和疑问句中一般用________。
There aren't any photos on the wall.墙上没有照片。
不可数
any
[观察2] Please call George.
请给乔治打电话。
Please call 119 for help.
请拨打119求助。
You can call me at 595 6338.
你可以拨打电话595 6338找我。
[探究] call作动词，意为“(给……)打电话”。与call相关的搭配：
call sb. 给某人打电话
call＋电话号码 拨打……
call sb. at＋电话号码 拨打……(电话号码)找某人
[拓展] call还可作名词，意为“打电话”。
Please give me a call in the morning.
请早上给我打电话。
[观察3] Ask the teacher for it.向老师要它(电子游戏机)。[探究] (1)ask sb. ________ sth. 意为“向某人要某物”。
(2)本句为祈使句，句型结构为“动词原形＋其他”。
Come here, please. 请来这边。
Bring your book to school. 把你的书带到学校来。
[拓展] ask sb. about sth. 向某人询问某事
ask sb. to do sth. 请求某人做某事
for
[观察4] I lost my school ID card.我丢失了我的学生卡。
[探究] lost是lose的过去式，意为“丢失”。
I lost my wallet on my way home.
我回家路上丢了钱包。
[拓展] (1)lost可表示“寻物启事”，其反义词是found(招领启事)；Lost and Found意为“失物招领处”。
(2)lost还可作形容词，意为“迷路的；丢失的”。get/be lost意为“迷路”。
[观察5] I must find it. 我必须找到它。
[探究] (1)must是情态动词，后面接__________；其否定形式为mustn't, 表示“禁止”。
(2)find 意为“发现；找到”。
动词原形
Which notice is about something found Which one is about something lost How do you know that
Lin Hai,
A computer game is in the school library. Is it yours Ask the teacher for it. Mike
Found:
Some keys are in Classroom 7E. Are they yours E-mail me at maryg2@.
Is this your watch My phone
number is 495-3539. Call me.
John
Lost:
I lost my school ID card. I must find it. Call me at 685-6034. Thanks. Tom
Found 失物招领
Lost 寻物启事
Found 失物招领
Found 失物招领
Read the notices again and write down the items. Then check (√) Lost or Found.
2c
Item
____________________________________________________________
Lost Found
a computer game
some keys
watch
school ID card
√
√
√
√
Summary
Tom
A computer game
In Classroom 7E
John
Post-reading
1．Some ________ (ruler) are on the desk.
2．I must ________ (find) my ID card.
3．The girl's bag is ________ (lose)．
4．I lost my keys. Can you ________ (help) me find them
5．Two ________ (key) are in the library.
Exercise
用括号内所给单词的适当形式填空。
rulers
find
lost
keys
help
GOOD JOB
