外研版英语九年级上Module 2 Unit 3 Language in use 课件（共22张PPT无素材）

(共22张PPT)
Module
2
Public
holidays
Unit
3
Language
in
use
1.
While
we’re
staying
with
them,
we’re
going
to
spend
a
few
days
in
Qingdao.
2.
Let’s
enjoy
ourselves
until
we
go
back
to
school.
3.
And
it’s
the
last
day
before
the
new
school
year
begins.
4.
When
September
comes,
it
starts
to
get
cooler.
Language
practice
5.
As
soon
as
it’s
12
o’clock,
everyone
shouts
very
loudly.
6.
We
have
celebrated
the
festival
since
the
first
pioneers
from
England
arrived
in
America.
7.
After
we
landed,
their
first
winter
was
worse
than
any
English
winter.
时间状语从句
Grammar
when
当……的时候
while
在……期间
as
正当……之时
before
在……之前
after
在……之后
since
自从……以来
until
直到……时为止
as
soon
as
一……就……
常见引导时间状语的连词：
状语从句
时间状语从句根据其所表示的时间不同，所
使用的连词也不同。常见的时间状语从句有:
1.
由
when
引导的时间状语从句：
表示主句的动作和从句的动作同时发生，
或从句的动作发生在主句动作之前。如：
I
was
going
out
when
a
visitor
came.
(我正要出门，有客人来访)
(动作同时发生)
I
shall
tell
her
the
good
news
when
she
comes.
(她来时，我将告诉她这个好消息)
2.
由
while
引导的时间状语从句：
表示“当……过程中”，强调某一段时间内
主句和从句中谓语动词所表示的动作在同一
时期发生。由于
while
从句表示一个持续的
行为，所以从句中要用持续性动词，并且
持续性动词常用进行时态。如：
Keep
an
eye
on
my
little
sister
while
I
am
away.
(我不在时，请照看一下我的小妹妹。)
While
we
were
watching
TV,
Jim
came
in.
(我们看电视的时候，吉姆进来了。)
3.
由
as
引导的时间状语从句：
表示时间，当……的时候
，一边……一边
……
随着······其从句的主语与主句的主语往往是同一人或物，如：
She
sang
as
she
worked.
她一边工作一边唱歌。
(此句主从句还可使用进行时)
She
was
singing
as
she
was
working.
I
saw
him
as
he
was
getting
off
the
bus.
正当他下公共汽车时，我看见了他。
As
a
child,
he
lived
in
America.
他小时候住在美国。
You
will
grow
wiser
as
you
grow
older.
随着你年龄的增长，你会变得更聪明。
4.
由
before
引导的时间状语从句：
一般表示主句的动作发生在从句动作之前。
I
had
written
my
report
before
my
father
came
back.
我父亲回来之前，我已写完我的报告。
（为了表明主句的动作发生或完成在从句动作
之前，主句动词一般用过去完成时，从句中
动词用过去时，以区分动作的先后）
I
didn’t
know
any
English
before
I
came
here.
我到这儿来之前，一点英语都不懂。
(虽然主句的动作发生在从句动作之前,
主句
和从句中动词都可用过去时)
After
he
had
finished
his
work,
he
played
a
game
of
chess
with
his
friend.
他做完工作后,
和朋友下了一盘棋。
(“做完工作”在前，
“下棋”在后,为了表明
动作的先后，从句中的动词一般用过去完成时，
主句中的动词用过去时)
5.
由
after
引导的时间状语从句：
表示主句的动作发生在从句动作之后。如：
After
he
locked
the
door,
he
left.
他锁上门，就走了。
(虽然从句的动作在前,
主句的动作在后,
但表示过去发生的连续动作，都可用过去时)
6.
由since引导的时间状语从句：
表示“自从……以来”，
从句中的动词一般表示
动作的起点,
用过去时。主句中的动词表示动作
延续的情况,
一般用现在完成时。如果主句中
的动词表示的不是延续的动作而是表示目前的
状态,
可用一般现在时。如：
Since
he
met
this
good
friend,
he
has
made
great
progress
in
his
studies.
自从遇见了这个好朋友,
他已在学习上取得
了巨大的进步。
It
is
twenty
years
since
she
joined
the
Party.
她入党二十年了。
(主句中的动词表示的不是延续动作,
而是状态,
用现在时)
7.
由
until
引导的时间状语从句：
a.
表示“直到……为止”,
主句和从句都用肯
定式,
主句谓语动词为持续性动词。
b.
表示“直到……才”,
主句用否定式,
从句
用肯定式,
主句动词为短暂性动词。
They
worked
until
it
was
late.
他们一直工作到天黑。
She
didn’t
go
to
bed
until
she
(had)
finished
her
homework.
她一直到写完作业才睡觉。
8.
由
as
soon
as
引导的时间状语从句：
表示“一……就……”。如：
As
soon
as
she
came
to
the
classroom,
she
began
to
read
English.
她一到教室,
就开始读英语。
1.
Lucy
knew
nothing
about
it
___
her
sister
told
her.
A.
because
B.
until
C.
if
D.
since
典型例题解析
3.
The
young
man
traveled
all
over
the
world
____
he
had
a
man-made
leg.
A.
though
B.
if
C.
as
D.
because
B
2.
Other
people
won’t
be
pleased
if
he
____
the
queue.
A.
will
jump
B.
jumps
C.
jump
D.
jumped
B
A
4.
The
students
will
go
to
Summer
Palace
if
it
____
tomorrow.
A.
don’t
rain
B.
won’t
rain
C.
doesn’t
rain
D.
isn’t
rain
C
5.
We
went
skating
in
the
afternoon
____
the
party
started.
A.
when
B.
before
6.
____
dinner,
we
joined
a
group
of
friends
and
we
all
went
to
the
square.
A.
After
B.
Until
7.
____
they
were
watching
TV,
we
listened
to
music
and
sang
traditional
songs.
A.
When
B.
While
B
A
B
8.
____
it
was
12
o’clock,
we
all
shouted
“Happy
New
Year”
very
loudly.
A.
After
B.
As
soon
as
9.
We
stayed
in
the
square
____
one
o’clock.
A.
until
B.
after
10.
____
the
party
was
over,
we
walked
back
to
our
hotel.
A.
When
B.
While
B
A
A
11.
I
have
been
trying
my
best
to
study
English
___
I
want
to
have
a
chance
to
be
a
volunteer
for
the
Beijing
Olympics.?
A.
until?
?
?
B.
because?
?
?
?
C.
though?
12.
We
won't
start
the
meeting
______our
teacher
arrives.
A.
though
B.
until
C.
while
D.
or
13.
―He
didn’t
tell
me
anything
___
he
left.
　A.
until
B.
before
C.
after
D.
since
B
B
A
14.
I
will
never
forget
that
terrible
accident___
it
happened
so
long
ago.
A.
only
if
B.
even
though
C.
only
when
D.
ever
since
15.
_______
they
are
twin
brothers,
they
don't
look
like
each
other.
A.?Though?B.
Since
C.
However
D.
When
B
A
1.
Do
you
do
your
homework
before
you
have
dinner?
2.
Do
you
listen
to
music
while
you
do
your
homework?
3.
What
do
you
do
after
school?
4.
Do
you
get
out
of
bed
as
soon
as
you
wake
up?
5.
What
do
you
say
when
someone
gives
you
a
present?
6.
What
will
you
do
until
the
end
of
term?
Ask
and
answer
Writing
about
a
Chinese
festival
Module
task
Tasks:
1)
Write
about
the
festival.
2)
Make
a
poster
for
the
festival.
3)
Display
your
poster
in
the
classroom.
Work
in
groups.
Choose
a
Chinese
festival
and
answer
the
question.
Then
use
your
answers
to
the
questions
to
help
you
write
about
the
Chinese
festival.
Join
your
sentences
with
as
soon
as,
while,
when,
until,
etc.