Unit4 Keeping clean 课件（共45张PPT）

(共45张PPT)
Unit 4 Keeping Clean
Period 1
Andy
Betty
ea
l
n
c
ti
dy
d
ir
ty
m
e
ssy
dirty
messy
clean
tidy
It is a chick now.
It was an egg before.
It was a caterpillar before.
It is a butterfly now.
They were two tadpoles
before.
They are two frogs now.
before
It was an egg.
It was a caterpillar.
They were two tadpoles.
now
It is a chick.
It is a butterfly.
They are two frogs.
was
were
is
are
before （以前）
yesterday（昨天）
×
×
He was happy before.
It was sunny yesterday.
They were new yesterday.
Tony was short before.
Tony and Jenny were sad yesterday.
_______
_______
_______
_______
_______
was
were
Choose “was/ were” and write down.
Underline the key words.
The tall tree _______ green before.
The boys _______ angry yesterday.
Tony and Jenny ______ shy before.
The desk ______ clean yesterday.
My T-shirts ______ tidy before.
was
were
was
were
were
______________________
_________________
_____________________________
_________________
_____________________
yesterday
They were…
yesterday
It was…
yesterday
They were tidy.
yesterday
It was dirty.
yesterday
dirty
yesterday
clean
yesterday
messy
yesterday
dirty
yesterday
messy
yesterday
tidy
yesterday
dirty
yesterday
dirty
yesterday
The hands were .
dirty
yesterday
tidy
yesterday
yesterday
yesterday
yesterday
yesterday morning
yesterday afternoon
yesterday
yesterday
yesterday
yesterday
We should keep our classroom clean and tidy.