初中英语语法——现在完成时 课件(共40张PPT)

(共40张PPT)
The
Present
Perfect
Tense
I
have
studied
at
this
school
since
September.
have/has+动词的过去分词
不规则变化
现在完成时态
规则变化
rain
love
stop
study
read
come
see
leave
buy
go
be
rained
rained
loved
loved
stopped
stopped
studied
studied
read
read
came
come
saw
seen
bought
bought
went
gone
left
left
was/were
been
规则变化（-ed）
不规则变化
Write
down
past
tense
and
past
participle
of
the
following
verbs.
eat
(ate,
eaten)
swim
(swam,
swum)
sing(sang,
sung)
5
Guessing
Games（one
acts,one
says)
drink(drank,
drunk)
run(ran,run)
hear
(heard,
heard)
Guessing
Games（one
acts,one
says)
When
do
we
use
the
present
perfect
tense
1.He
has
already
left.He
is
not
here
now.
2.She
hasn’t
had
breakfast
yet.She
is
hungry
now.
用法一：
already
yet
just
ever
never
…
现在完成时态的标志性词
5
表示过去发生的动作对现在造成的影响或结果。
1.
I
have
_______
seen
him
before,
so
I
have
no
idea
about
him.
2.
Jack
has
________
finished
his
homework.
3.
The
boy
has
changed
a
lot___________.
4.
“Have
you
________
seen
the
film?”
“No,
I
have
________
seen
it.”
5.
“Has
the
bus
left
_______?”
never
already/just
ever
never
yet
recently
5
用never,
ever,
already,
just,
yet,
recently填空
Let’s
read
them!
I
have
just
seen
Lucy.
She
has
already
written
3
books
.
I
haven’t
seen
the
movie
yet
.
Have
you
ever
been
to
Nanning？
Have
you
seen
the
movie
yet
?
肯定句中,
助动词之后
疑问句末
一般疑问句中
否定句末
现在完成时的标志词用法：
1.
already（已经）/just（刚刚）：用于肯定句中
2.
yet（还）:
用于否定句和疑问句末.
3.
ever（曾经）：用于一般疑问句中。
4.
never（从不）:
表示否定
5.before,recently：放在句末
常与for,
since引导的时间短语或从句连用.
You
have
studied
English
for
5
years.
He
has
lived
in
Lingshan
since
he
was
born.
用法二：
表示过去开始的动作一直持续到现在或还有可能继续下去。
1)We
have
lived
here
______
2001.
2)
She
has
been
a
teacher
___
ten
years.
3)
They
have
stayed
here
____
more
than
five
years.
4)
I
have
been
at
this
school
______
I
came
here
5)
She
has
kept
the
book_______2014.
6)
I
has
kept
the
book
____
5
years.
since
for
for
since
since
for
Fill
in
the
sentences
with
for
or
since.
for+
时间段
，since+时间点，since+过去时态句子
1.I
(teach)Enghish
in
this
school
since
2012.
2.Lilei
(keep)
the
library
book
for
five
days.
3.Kate
(see)
her
grandmother's
photo
before.
4.
So
far
,we
(build)
thousands
of
Buildings
in
Shanghai
.
5.
I
(
be)
to
Beijing
three
times.
have
built
have
been
has
kept
have
taught
has
seen
用所给动词的适当形式填空。
Sentence
Pattern
句式
肯定句：
主语+have/has+not+过去分词+其它.
Have/Has+主语+过去分词+其它？
否定句：
一般疑问句：
特殊疑问句：
疑问词+一般疑问句？
主语+have/has+过去分词+其它
I’ve
already
had
dinner.（变为否定句）
I
________
________
dinner
________.
2.
He
has
just
finished
his
homework.（变为否定句）
He
_____
________
his
homework
____.
3.
Mum
has
cooked
the
dinner.（变一般疑问句）
_______
Mum
________
the
dinner?
4.
Susan
has
learned
English
since
2013.（提问）
____
____
_____Susan_______
English?.
haven’t
had
yet
hasn’t
finished
yet
Has
cooked
句型转换
How
long
has
learned
当句子的时间状语含有how
long,since和for时，谓语动词必须用延续性动词。
I
have
bought
the
book
for
a
week.
I
have
had
the
book
for
a
week.
非延续性动词又叫短暂性动词----不能和一段时间连用
延续性动词----可以和一段时间连用
They
have
come
here
for
two
days.
They
have
been
here
for
two
days.
×
be是延续性动词
come是短暂性动词
×
√
buy是短暂性动词
Judge
the
following
sentences
(
)or
(
)
√
×
√
have是延续性动词
buy是短暂性动词
5.短暂动词和
延续动词转换
短暂性动词
对应延续性动词
buy
borrow
come
go/leave
die
get
married
have
keep
be
in/here
be
away
(from)
be
dead
be
married
1
-What
a
nice
watch
!How
long
__
you
__
it？
-three
weeks
A
will，buy
B
did，buy
C
have
，had
2
-
you
__
here
for
a
long
time？
-Yes，I
came
here
five
years
ago
A
Have,been
B
Has
,came
C
Have
,come
3
Leifeng
for
many
years,we
miss
him
very
much.
A
.
has
died
B
.
has
been
dead
C.
died
Choose
the
best
answer
4
The
students
are
sorry
to
hear
that
the
famous
singer
for
half
an
hour
A
has
left
B
has
been
away
C
has
gone
away
5
I
this
book
for
two
days
，I
have
to
return
it
now
A
borrowed
B
have
borrowed
C
have
kept
have
been
to,
have
gone
to
,
have
been
in/at的用法比较
中考热点
have
been
to,have
gone
to
or
have
been
in/at
has
gone
to
has
been
to
has
been
in
have
been
to
意思是“到过，去过”，表示曾经到过某处，但现在人已经不在那儿。
have
gone
to
意思是“去了”，表示已经去了某地，现在人可能在去的途中或已在那儿了。
have
been
in/at
意思是“呆在某处一段时间了”，常与一段时间连用
1.Mike
and
his
parents
__________
the
UK
for
half
a
year.
2.Mum
is
not
at
home
now.
she
_________
the
shop.
3.______
you
ever
_____
to
Nanning
?
--Never.
have
been
in
has
gone
to
Have
been
用have/has
been
to,
have/has
gone
to,
have/has
been
in
填空
4.Where
_____
Jim
______
these
days?I
can’t
find
him.
5.-Has
Jim
arrived
yet?
-Yes,
he
__________here
for
several
days.
has
gone
has
been
注意：如果have
been
to/in/at后面接的是地点副词here
，there时，have
been后的介词必须省略
Further
study
I
have
lost
my
watch.
I
lost
my
watch
yesterday.
----------
现在完成时表示过去发生的某一动作对现在造成的影响或结果
一般过去时只是表示动作是发生在过去,和现在并没有什么直接与必然的联系。
vs.
现在完成时
一般过去时
用所给词的适当形式填空
1.Yesterday
we
____(go)
to
Nanning.
2.Lucy
________(be)in
China
for
three
years.
3.When_______you______(buy)
your
watch?
4.His
father_______(visit)
Beijing
last
week.
5.
How
long_____he______(keep)
the
book?
--He
_________(borrow)
it
five
days
ago
went
has
been
did
buy
visited
has
kept
borrowed
中
考
链
接
I’m
hungry
because
I
__________
lunch
yet.
(16年柳州)
A.
have
B.
didn’t
have
C.
am
having
D.
haven’t
had
中
考
链
接
2.
-___
you
___
the
film
Harry
Potter
5
?
-Not
yet.
I’ll
see
it
this
Sunday.(16年桂林)
A.
Did,
see
B.
Are,
seeing
C.
Have,
seen
D.
Do,
see
3.Sam
____
Chinese
since
he
came
to
China.
He
speaks
Chinese
well
now.（16年北海）
A.
learns
B.
learned
C.
has
learned
D.
will
learn
中
考
链
接
4.
____
many
students
in
China
ever
____
to
westerners
before?
(17年玉林)
A.
Are,
speaking
B.
Do,
speak
C.
Did,
speak
D.
Have,
spoken
中
考
链
接
5.Jack
has
a
watch.
He
_
it
for
two
years.
A.
has
had
B.
has
bought
C.
got
D.
bought
6.How
many
English
words
__
you
__
since
you
came
to
our
school?
（17梧州）
A.
have,
learned
B.
do,
learn
C.
will,
learn
D.
did,
learn
中
考
链
接
（
18柳州）
.
7.
Our
English
teacher
isn’t
here.
She
has
____
Shanghai.（16柳州）
A.
been
B.
gone
C.
been
to
D.
gone
to
8.We
have
learned
English
for
three
years.
(对划线部分提问)（17梧州）
__
_____
_____
you
_______
English?
中
考
链
接
How
long
have
learned
时态名称
谓语动词结构
一般现在时
V原、V三单
一般将来时
will+V原，be
going
to+V原
一般过去时
过去式
现在进行时
am/is/are+V-ing
过去进行时
was/were+Ving
现在完成时
have/has+V过去分词
Tom
is
fifteen.
His
parents
_____(die)
two
years
ago,
Now
he
___________(work)
at
Mr.
Jackson’s.
Mr.
Jackson
enjoys
___________
(plant)
all
kinds
of
trees.
There
are
many
precious(珍贵的)
trees
in
his
garden.Last
month
Mr.
Jackson
_________(bring)
a
few
trees
home,
planted
them
in
the
garden
himself
and
watered
them
every
day.
One
day,
he
had
to
leave
for
another
city.
works
planting
brought
died
完成填空
he
said
to
Tom,
“______
(take)good
care
of
the
plants
when
I
’m
out.
Some
boys
of
our
neighbors
always
want
_________
(steal)
them.”“_____________(not
worry)
about
them
,
sir,”
answered
Tom.
“I
______(try)
my
best
to
watch
them.”Six
days
passed
and
Mr.
Jackson
came
back.
As
soon
as
he
saw
Tom,
he
asked,“____anyone______(come)
to
steal
the
trees?”
“No,
sir,”
said
Tom.
Take
to
steal
Don’t
worry
will
try
Has
come
一、基本结构：
用法2：表示
二、用法1：表示
标志词：
标志词：
过去发生或已经完成的某一动作对现在造成的影响或结果。
already,yet,just,ever,never,before
过去已经开始，持续到现在的动作或状态。
for,
since,
since…ago,
all
one’s
life
注：
三、have
been
to,have
gone
to
,have
been
in/at用法
瞬间动词，不能和表一段时间的肯定句连用，如果需要，则应该转换。
Summary
助动词have/has+动词的过去分词
汉译英。
1.
我们学英语3年了。
2.
你借这本书三天了。
3.
-你去过北京吗？
-是的，我已经去过那里两次了
Homework
4.-我丢失了我的钢笔。
-什么时候掉的？
-昨天
Thank
you
!
Good
-bye