人教课标版高中英语选修8 Unit5 Meeting your ancestors Grammar(共20张PPT)

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名称 人教课标版高中英语选修8 Unit5 Meeting your ancestors Grammar(共20张PPT)
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科目 英语
更新时间 2020-06-23 16:03:56

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(共20张PPT)
Present
Perfect
Continuous
They
have
been
playing
basketball
all
the
morning.
I
have
been
reciting
words
all
day.
The
baby
has
been
sleeping
for
12
hours.
现在完成进行时
1.
形式:
have
/
has
been
doing
2.用法
They
have
been
playing
basketball
all
the
morning.
I
have
been
reciting
words
all
day.
The
baby
has
been
sleeping
for
12
hours.
叙述某一动作从过去开始一直继续到现在
刚刚停止或仍在继续之中,并有可能延续下去。常与all
day,
all
the
morning,
all
night,
recently,
this
week,
this
month或
for,
since等连用。
You
are
here!
I
have
been
looking
for
you.
(我找了你老半天)
2)
叙述从过去某时开始一直继续到现在,但不再继续下去的事情。--带有浓厚的感彩,例如,强调持续了“那么久”或做得“那么辛苦”
You
are
here!
I
have
been
looking
for
you.(我找了你老半天)
Oh,
you
have
come
at
last!
I
have
been
waiting
for
you
for
two
long
hours.(我等了你足足两个小时)
2)
叙述从过去某时开始一直继续到现在,--带有浓厚的感彩,
What
have
you
been
doing
to
my
dictionary?
你把我的字典弄成什么样子了!
3)
叙述从过去某时到现在,或最近,一再重复的动作。
We’ve
been
discussing
the
matter
several
times
this
year.
现在完成进行时和现在完成时的比较:

未完结性:现在完成进行时表仍要继续下去的动作
I’ve
cleaned
the
windows.
我把窗户擦干净了。
I’ve
been
cleaning
the
windows.
我擦窗户来着。
(可能窗户尚未擦完,)
(做完,/对现在有影响)
现在完成进行时和现在完成时的比较:

I
have
been
waiting
for
you
for
two
hours.
I
have
waited
for
you
for
two
hours.
(说明/陈述一个事实)
(带有感彩:不满)
现在完成进行时和现在完成时的比较:

They
have
known
each
other
since
1980.
链接高考
1.
Where
have
you
been?
We
_____
for
you
everywhere
.
A.
look
B.
were
looking
C.
have
been
looking
D.
had
been
looked
2.
I
wonder
why
Jenny
______
us
recently.
We
should
have
heard
from
her
by
now.
A.
hasn’t
written
B.
doesn’t
write
C.
won’t
write
D.
hadn’t
written
3.Excuse
me,Marcia,a
reporter
from
Vanity
Fair
________
all
day.
Could
you
speak
to
her
now?
A.phones
B.has
phoned
C.has
been
phoning
D.phoned
4.
Although
these
scientists
____
on
the
project
for
nearly
four
years,
I
don‘t
know
how
long
it
will
last.(2012安徽卷)
A.
have
been
working
B.
had
worked
C.
were
working
D.
are
working
5.

There
is
so
much
snow
these
days,
isn't
there?

Yes,
it
____
for
a
few
days.
A.
was
snowing
B.
has
been
snowing
C.
had
been
snowing
D.
snowed
6.
Now
that
she
is
out
of
a
job,
Lucy
______going
back
to
school,
but
she
hasn’t
decided
yet.
A.
had
considered
B.
has
been
considering
C.
considered
D.
is
going
to
consider