初中英语语法——进行时 课件(共19张PPT)

(共19张PPT)
进行时
be
doing
现在进行时
过去进行时
基本结构:
+
主语+
be
v.ing
进行时
现在进行时:
+
主语+
amisare
v.ing
过去进行时:
+
主语+
waswere
v.ing
现在正在进行的动作
过去某个时间正在进行的动作
Add
–ing
to
the
following
verbs.
1.
ask
—
look
—
carry
—
asking
looking
carrying
2.
close
—
take
—
ride
—
closing
taking
riding
3.
swim
—
get
—
sit
—
swimming
getting
sitting
4.
put
—
begin
—
travel—
putting
beginning
travelling
What
is
your
mother
doing
at
the
moment?
She
is
doing
some
housework.
She
was
having
dinner.
What
was
the
women
doing
at
7:00pm.
yesterday?
He
is
doing
his
homework.
He
was
watching
TV.
What
is
your
brother
doing
now?
What
was
your
brother
doing
just
now?
What
are
they
doing
now?
is
exercising.
is
swimming.
are
lying
on
the
grassland.
She
He
They
What
were
they
doing
at
this
time
yesterday?
They
were
dancing.
She
was
eating.
He
was
drinking.
Was
the
cat….at
that
time?
The
cat
was
playing
basketball
at
that
time.
Look,
is
he….?
Look,
he
is
taking
photos.
Were
they…
at
that
time?
They
were
playing
football
at
that
time.
Is
he….
these
days?
He
is
drawing
these
days.
Was
she….when
the
bell
rang?
She
was
teaching
when
the
bell
rang.
现在进行时的标志词
now,
look,
listen,
these
days
,
at
this
time,
at
the
moment
过去进行时的标志词
at
that
time.
at
that
moment.
this
time
yesterday
等；或者与when,
while,
as引导的过去时间状语连用。
What
was
your
father
doing
when
you
came
back
home
yesterday?
He
was
cooking
when
you
came
back
home
yesterday.
What
was
your
brother
doing
when
you
saw
him
half
an
hour
ago?
He
was
playing
computer
games
when
you
saw
him
half
an
hour
ago.
What
were
they
doing
at
the
time
last
week?
They
were
shopping
at
the
time
last
week.
Use
while
to
describe(描述)
pictures
A
monkey
was
…….while
two
cats
were……
While
He
was
playing
basketball
while
she
was
sleeping.
A
rabbit
is
…….
while
a
pig
is….