(共20张PPT)
PEP
四年级
下册
Unit
3
Weather
第一课时
Part
A（Let's
talk--Let's
play）
It's
11:00
now.
It's
time
for
lunch.
Can
I
have
some
...
Yes,
you
can./No,
you
can't.
Role
play
1.Who
are
they
2.What
are
they
talking
about
They
are
Mike
and
his
mother.
Food
and
weather.
Read
and
answers
Make
a
dialogue
两人一组,创编对话。今天你和你的同学去公园,和妈妈商量:
1.
征求对方许可的句型
Can
I...
课文原句:
—Can
I
go
outside
now
现在我能出去吗
—No,
you
can't.
不,你不能.
【重点解析】此问句是由情态动词can引导的一般疑问句，用来征求对方的许可。can意为“能够”，后面直接加动词原形，没有人称和数的变化。can的否定形式为can
not，可缩写为can't。
【句型结构】
问句:
Can
I＋动词(短语)原形
(swim,
go,
drink...)
＋
其他
肯定回答:Yes,
you
can．
否定回答:No,
you
can't．
eg:
2.
描述天气有方法
课文原句:
It's
cold
outside.
外面冷。
【重点解析】这是用来描述天气的句型。
it在此指代天气。
【句型结构】
It's＋表示天气状况的形容词＋其他．
eg:
It's
hot
outside.
外面热。
It's
windy
today.
今天有风。
【知识链接】
描述天气状况时,
我们还可以用
“Today
is＋天气状况形容词。”
eg:
It's
warm
today.
＝Today
is
warm.
今天天气暖和.
Be
careful!
当心!
(1)“Be
careful
!
”意为“小心!”
“当心!”，用来提醒别人要小心，保重。
eg:
Be
careful!
Don't
be
hurt!
小心点!
别受伤了!
(2)
其他表示当心！
/
“小心！”的说法：
Watch
out!
Look
out!
Take
care!
eg:
Watch
out!
The
cup
is
hot!
当心！
杯子很烫！
(
)
1.
Can
I
go
outside
A.
Yes,you
can't.
B.
No,you
can.
C.
No,you
can't.
(
)
2.
Can
I
_______
some
lunch
A.
has
B.
have
C.
having
C
B
Thank
you!
