Module 3Unit 9 Reusing things课件（20张PPT）

(共20张PPT)
Module
3
Things
we
do
9
1、一般过去时的概念:一般过去时表示过去某个时间里发生的动作和状态。
如：He
came
to
school
late
yesterday.
　　
一般过去时的标志:
常与过去时间
ago,yesterday
,last
year,last
month,
last
weekend,in
the
past
等词连用。
2.在一般过去时态中会涉及到动词的过去式
（1）规则动词的过去式形式
①一般情况，在动词后加ed,play-played
look-looked.
②以e结尾的在动词后加d,如like-liked
.
③以辅音字母加y结尾的动词，把y变i再加ed.
如carry-carried.
（2）不规则动词的过去式形式
are
is/am
take
go
buy
get
come
　begin
write
（2）不规则动词的过去式形式
are
were
is/am
was
take
took
go
went
buy
bought
get
got
comecame　
begin
began
write
wrote
3、用所给词的适当形式填空。
1.
Tom
and
Mary
___________
(come)
to
China
last
month.
2.
Mike
_________________(not
go)
to
bed
until
12
o'clock
last
night.
So
he
______
(get)
up
late.
3.
Mary
__________
(read)
English
yesterday
morning.
4.
Tom
___________
(begin)
to
learn
Chinese
last
year.
5.
My
mother
________________
(not
do)
housework
yesterday.
讨论：如何处理空饮料瓶子？
After
you
drink
a
bottle
of
water,what
do
you
do
with
the
plastic
bottle?
Read
and
match
Read
and
complete
The
truck
took
us
to
a
factory.
Some
people
cleaned
us
and
put
us
into
a
big
machine.
We
became
small
pieces.
Finally,
they
made
us
into
a
piece
of
cloth.
Look
at
your
T-shirt.
Does
it
look
like
a
plastic
bottle?
A
street
cleaner
found
me.
He
put
me
into
a
truck.
There
were
a
lot
of
other
bottles
in
the
truck.
A
street
cleaner
found
me.
He
put
me
into
a
truck.
There
were
a
lot
of
other
bottles
in
the
truck.
The
truck
took
us
to
a
factory.
Some
people
cleaned
us
and
put
us
into
a
big
machine.
We
became
small
pieces.
Finally,
they
made
us
into
a
piece
of
cloth.
Look
at
your
T-shirt.
Does
it
look
like
a
plastic
bottle?
cloth
a
piece
of
cloth
A
street
cleaner
found
me.
He
put
me
into
a
truck.
There
were
a
lot
of
other
bottles
in
the
truck.
The
truck
took
us
to
a
factory.
Some
people
cleaned
us
and
put
us
into
a
big
machine.
We
became
small
pieces.
Finally,
they
made
us
into
a
piece
of
cloth.
Look
at
your
T-shirt.
Does
it
look
like
a
plastic
bottle?
Read
and
number
2
1
3
4
5
Read
aloud
Retell
the
story
I’m
a
…
A
week
ago,
I
was
…
Then
a
woman
…
The
next
morning,
the
woman
…
A
street
cleaner
…
The
truck
…
Some
people
…
We
became
…
Finally,
…
Think
and
discuss
waste
pollution
Homework
Listen
to
and
read
Student’s
Book
pages
56
and
57.
2
Recite
pages
56
and
57.
3
Learn
about
recycling
and
waste
sorting.
4
Finish
Workbook
pages
51
and
53.