人教课标版高中英语选修8 Unit5 Meeting your ancestors Using Language课件（共26张PPT）

(共26张PPT)
Unit
5
Grammar
Revise
the
verb
tenses
(Present
Perfect
Continuous
Tense)
To
revise
the
present
perfect
continuous
tense
and
use
it
properly
English
song:
Way
back
into
love
Listen
and
fill
in
the
blanks.
I
_____________
with
a
shadow
overhead
I
_______________
with
a
cloud
above
my
bed
I've
been
lonely
for
so
long
Trapped
in
the
past,
I
just
can't
seem
to
move
on
I
_____________
all
my
hopes
and
dreams
away
Just
in
case
I
ever
need
them
again
someday
I
_______________
aside
time
To
clear
a
little
space
in
the
corners
of
my
mind
've
been
living
've
been
sleeping
've
been
hiding
've
been
setting
Structure:
have/has
+
been
+
v-ing
Study
these
example
situations
We
also
use
the
present
perfect
continuous
tense
to
talk
about
actions
that
started
in
the
past
and
are
still
continuing.
We
use
the
present
perfect
continuous
tense
to
talk
about
actions
that
have
just
finished
but
are
still
connected
with
the
present
in
some
way.
She
has
been
living
in
New
Zealand
for
over
a
year
now.
Your
eyes
are
red
—
have
you
been
crying?
How
long
have
you
been
waiting
for
me?
It’s
been
raining
heavily
all
night.
a
recent
situation
or
activity
that
started
in
the
past
and
is
still
happening
now
or
has
just
stopped
when
we
talk
about
how
long
the
action
or
event
has
been
going
on
when
we
ask
questions
with
How
long…?
Look
at
the
following
sentences.
I’ve
been
waiting
for
you
for
a
long
time!
(必修3)
2.
Recently,
however,
scientists
have
been
finding
that
long-term
use
of
these
fertilizers
can
cause
damage
to
the
land
and,
even
more
dangerous,
to
people’s
health.
(必修4)
Have
a
look
We’ve
been
excavating
here
for
many
years
and
…
2.
We
have
been
excavating
layers
of
ash
almost
six
metres
thick,
…
3.
Well,
we’ve
been
finding
the
bones
of
tigers
and
bears
in
the
caves,
and
we
think
these
were
their
most
dangerous
enemies.
Sentences
from
this
unit:
现在完成进行时:
基本用法
1)
强调动作的持续性。
The
telephone
has
been
ringing
for
almost
a
minute.
Why
hasn’t
anyone
answered
it?
电话响了差不多一分钟，为什么没人接?
Present
Perfect
Continuous
Tense
2)
表重复。叙述从过去某时到现在或最近一直重复的动作。
The
weather
has
been
changeable
lately;
I’ve
been
having
a
lot
of
colds.
最近天气变化无常，我时常感冒。
3)
有感彩。
Too
much
has
been
happening
today.
今天真是一个多事之日。
4)
现在完成进行时有时可以表示刚刚完结
的动作。有时它是现在事件的直接原
因，或者是得出结论的证据。
My
hands
are
dirty.
I’ve
been
painting
the
car.
我的手很脏，我在油汽车来着。
Your
eyes
are
red
and
puffy.
Have
you
been
crying?
你的眼睛又红又肿，你是不是哭来着？
1)
现在完成时强调动作在过去已经完成，
但对现在有影响或其结果现在仍然存
在。
I
have
written
a
book
on
UFOs.
It
was
finished
last
year.
现在完成进行时着意于动作本身，是一
种持续的(但不一定是结束了的)活动。
I
have
been
writing
a
book
on
UFOs.
I
should
be
able
to
finish
it
early
next
year.
现在完成进行时和现在完成时的比较:
2)
现在完成时陈述事实。
My
father
has
lost
his
keys.
现在完成进行时则强调动作在不久以
前持续进行的情景，并带有感彩
(有“责怪或无奈”之意)。
My
father
has
always
been
losing
his
keys.
3)
现在完成时既可用于状态性动词，也
可用于动作性动词。
I
have
had
this
computer
for
10
years,
with
which
I
have
written
plenty
of
articles.
现在完成进行时通常只用于动作性
的动词。
I
have
been
writing
articles
with
this
computer
for
10
years.
4)
有少数动词(如work,
study,
live,
teach,
stay等)在表示持续一段时间时用这两
种时态含义差不多，只是用现在完成
进行时更强调动作的持续性。
—
How
long
have
you
worked
/
been
working
here?
—
For
ten
years.
1.
——
Hi,
Tracy,
you
look
tired.
——
I'm
tired.
I
____________________
(paint)
in
the
living
room
all
day.
2.
—
There
is
so
much
snow
these
days,
isn't
there?
—
Yes,
it
_________________
(snow)
for
a
few
days.
have
been
painting
has
been
snowing
Fill
in
the
blanks.
3.
Although
these
scientists
_________________
(work)
on
the
project
for
nearly
four
years,
I
don't
know
how
long
it
will
last.
4.
Now
that
she
is
out
of
job,
Lucy
___________________
(consider)
going
back
to
school,
but
she
hasn't
decided
yet.
5.
The
little
boy
is
dirty
from
head
to
foot
because
he
_______________
(play)
in
the
mud
all
morning.
have
been
working
has
been
considering
has
been
playing
现在完成进行时，其构成为：
have/has
+
been
+
v-ing
其表达的意思主要有两种：
1.
表示从过去某时开始一直持续到现在的动作，并且还将持续下去。
2.
表示在说话时刻之前到现在正在进行的动作。
注:
另附
word
文档。
点击此处链接
I.
Fill
in
the
blanks
with
the
correct
forms
of
the
verbs
in
brackets.
1.
Since
the
time
humankind
started
gardening,
we
________________
(try)
to
make
our
environment
more
beautiful.
(2014湖南)
2.
—
Where
is
Peter?
I
can’t
find
him
anywhere.
—
He
went
to
the
library
after
breakfast
and
________________
(write)
his
essay
there
ever
since.
(2015福建)
have
been
trying
has
been
writing
3.
Mary
________________
(work)
really
hard
on
his
book
and
thinks
he’ll
have
finished
it
by
Friday.
(2015陕西)
4.
—
Excuse
me,
which
movie
are
you
waiting
for?
—
The
new?Star
Wars.
We
___________
________
(wait)
here
for
more
than
two
hours.
(2016北京)
5.
Dashan,
who
________________
(learn)
crosstalk,
the
Chinese
comedic
tradition,
for
decades,
wants
to
mix
it
up
with
the
Western
stand-up
tradition.
(2016江苏)
have
been
waiting
has
been
learning
has
been
working
6.
Inventors
_______________
(try)
to
make
flying
cars
since
the
1930s,
according
to
Robert
Mann,
an
airline
industry
expert.
(2017全国II)
7.
Why
is
the
world’s
population
growing?
The
answer
is
not
what
you
might
think.
The
reason
for
the
explosion
is
not
that
people
____________________
(reproduce)
like
rabbits,
but
that
people
have
stopped
dropping
dead
(暴毙)
like
flies.
(2017江苏)
have
been
trying
have
been
reproducing
II.
Read
the
situations
and
complete
the
sentences.
1.
I
started
Spanish
classes
in
December.
I’m
still
learning
Spanish
now.
I
___________________________
since
December.
2.
Ann
began
looking
for
a
job
six
months
ago.
She’s
still
looking
now.
Ann
_________________________
for
six
months.
3.
Years
ago
you
started
writing
to
a
penfriend.
You
still
write
to
each
other
regularly
now.
They
_____________________________
for
years.
have
been
learning
Spanish
has
been
looking
for
a
job
have
been
writing
to
each
other
III.
阅读下面材料，在空白处填入适当内容
(不多于3个单词)或括号内单词的正确形
式。
We
have
just
moved
into
a
new
house
and
I
__________________
(work)
hard
all
morning.
I
________________
(try)
to
get
my
new
room
in
order.
This
has
not
been
easy
_______
I
own
over
a
thousand
books.
To
make
matters
______
(bad),
the
room
is
rather
small,
so
I
have
____________
(temporary)
put
my
books
on
the
floor.
have
been
working
have
been
trying
because
temporarily
worse
At
the
moment,
they
cover
every
inch
of
floor
space
and
I
actually
have
to
walk
on
them
______
(get)
in
or
out
of
the
room.
A
short
while
ago,
my
sister
helped
me
to
carry
one
of
my
old
bookcases
up
the
stairs.
She
went
into
my
room
and
got
a
big
surprise
_____
she
saw
all
those
books
on
the
floor.
'This
is
the
prettiest
carpet
I
_____________
(ever,
see),'
she
said.
She
gazed
at
it
for
some
time
then
added,
'You
don't
need
bookcases
at
all.
You
can
sit
here
___
your
spare
time
and
read
the
carpet!'
to
get
when
have
ever
seen
in
Finish
the
exercises
in
Learning
English.