Module 2 Public holidays Unit 3 Language in use 时间状语从句课件

(共18张PPT)
Unit
3
Language
in
use
时间状语从句
Module
2
Public
holidays
1.
While
we’re
staying
with
our
friends,
we’re
going
to
spend
one
day
in
Qingdao.
2.
Before
we
begin
dinner,
my
father
gives
thanks
for
the
food.
3.
When
it
is
all
over,
everyone
helps
wash
te
dishes.
4.
And
my
family
always
go
somewhere
interesting
as
soon
as
the
holiday
begins.
5.
We
have
celebrated
the
festival
since
the
first
pioneers
from
England
arrived
in
America.
6.
After
they
landed,
their
first
winter
was
worse
than
any
English
winter.
1.
_____
we’re
staying
with
our
friends,
we’re
going
to
spend
one
day
in
Qingdao.
2.
______
we
begin
dinner,
my
father
gives
thanks
for
the
food.
3.
______
it
is
all
over,
everyone
helps
wash
the
dishes.
4.
And
my
family
always
go
somewhere
interesting
_________
the
holiday
begins.
5.
We
have
celebrated
the
festival
_____
the
first
pioneers
from
England
arrived
in
America.
6.
_____
they
landed,
their
first
winter
was
worse
than
any
English
winter.
While
Before
When
as
soon
as
go
Ready?
since
After
Mrs
Anne
Sterling
did
not
think
of
the
risk
she
was
taking
when
she
ran
through
a
forest
after
two
men.
They
had
rushed
up
to
her
while
she
was
having
a
picnic
at
the
edge
of
a
forest
with
her
children.
After
he
was
arrested,
the
man
admitted
hiding
in
the
box
before
the
plane
left
London.
Since
that
time,
racing
drivers
have
reached
speeds
of
over
400
miles
an
hour.
Then
he
sits
and
barks
until
someone
lets
him
out.
As
soon
as
he
opens
the
gate
from
outside,
he
comes
into
the
garden,
and
waits
until
the
gate
shuts.
What
can
you
get?
Adverbial
Clauses
在复合句中，如果作状语的是一个从句，该从句被称为状语从句。
状语从句可以表示时间、地点、原因、条件、目的、结果、让步、比较和方式等。
Adverbial
Clauses
of
TIME
Forcus
on
基本含义和用法
用状语从句来表达一件事情或一个行为发生的时间，这个从句就叫做时间状语从句。
Mrs
Anne
Sterling
did
not
think
of
the
risk
she
was
taking
_____
she
ran
through
a
forest
after
two
men.
They
had
rushed
up
to
her
_____
she
was
having
a
picnic
at
the
edge
of
a
forest
with
her
children.
When
和
While
引导____________
Watch
and
say
when
while
时间状语从句
when意思是“当……时”，表示主句动作发生的特定时间。
While
my
sister
was
sweeping
the
floor,
I
was
washing
the
dishes.
我姐姐扫地时，我在洗碗。
while意思是“当……时”，强调主句动作和从句动作是同时发生的。
The
days
get
longer
when
spring
comes.
春天到来时，白天变长了。
注意：while引导的从句的谓语动词必须是延续性的。
while还可以表示“在……期间”，表示主句动作发生在从句动作进行的过程中。
While
the
boys
were
playing
football,
it
rained.
当男孩子们踢足球时，下雨了。
注意：
在when和while引导的从句中，当主句和从句的主语一致，并且从句中有be动词时，可以省略主语和be动词，构成when/while+
-ing结构。如：
When
(she
is)
in
trouble,
she
always
asks
for
my
help.
她遇到困难时总是向我求助。
_____
he
was
arrested,
the
man
admitted
hiding
in
the
box
______
the
plane
left
London.
______和______引导时间状语从句
Watch
and
say
After
before
After
Before
Before意为“在……之前”，表示主句动作发生在从句动作之前。
Close
the
windows
before
you
leave
the
room,
please.
在你离开房间前，请关上窗。
After意为“在……之后”，表示主句的动作发生在从句的动作之后。
I
went
to
school
after
I
finished
my
breakfast.
我吃完早饭去上学。
_____
that
time,
racing
drivers
have
reached
speeds
of
over
400
miles
an
hour.
Then
he
sits
and
barks
_____
someone
lets
him
out.
_____和Till/_____引导时间状语从句
Watch
and
say
Since
until
Since
Until
since意为“自从……以来”。一般情况下，从句谓语动词用一般过去时，而主句的谓语动词用现在完成时。
注意：since引导的从句的谓语动词可以是延续性动词，也可以是瞬时动词。
1)
They
have
been
friends
since
they
were
at
primary
school.
他们从小学起就一直是好朋友。
2)
I
have
been
missing
her
since
she
left.
自从她离开我就一直很想念她。
till和until意思是
“到……为止”
，一般情况下两者可以互换。until可以放在句首或句中，而till不可以用在句首。
①Walk
till/until
you
see
a
white
house.
一直走到你看到一座白房子为止。
②I
did
not
go
to
bed
until
I
finished
my
homework.
直到做完作业我才上床睡觉。
注意：如果主句中的谓语动词是瞬时动词时，必须用否定形式，即“not…until”结构，意思是“直到……才（开始）”。
___________
he
opens
the
gate
from
outside,
he
comes
into
the
garden,
and
waits
_____
the
gate
shuts.
__________引导时间状语从句
Watch
and
say
As
soon
as
until
As
soon
as
as
soon
as意为“一……就”。表示从句的动作一发生，主句的动作马上发生，强调动作紧密相连。
①We
began
to
work
as
soon
as
we
got
there.
我们一到那里就开始工作。
②He
will
visit
you
as
soon
as
he
gets
there.
他一到那里就会去拜访你。
Time
for
reflection
since
自从……
引导时间状语从句的谓语动词用一般过去时,
主句的谓语动词用现在完成时。
Complete
the
sentences
with
the
correct
form
of
the
words
or
expression
in
the
box.
There
may
be
more
than
one
answer.
after
as
soon
as
since
until
while
1.
_______________
our
friends
arrived,
we
all
went
to
the
square.
2.
_______
they
were
watching
TV,
we
listened
to
music
and
sang
traditional
songs.
3.
__________
it
was
twelve
o’clock,
we
all
shouted
“Happy
New
Year”.
4.
We
stayed
there
______
she
arrived.
5.
He
has
made
a
lot
of
progress
_____
he
started
to
learn
English
last
month.
After/
As
soon
as
While
①
p14
As
soon
as
until
since