仁爱科普版英语七年级下Unit 5 Topic 2 A few students are running around the playground.现在进行时课件（14张PPT无素材）

(共14张PPT)
语法专题
现在进行时
现在进行时
一、含义：
现在进行时表示现在（即说话人说话的时刻）正在进行的动作或正在发生的事情，现在进行时的标志性词语有now,
look,
at
the
moment,
listen等
二、现在进行时基本结构
主语
+
be动词
+
动词的现在分词
I
am
He
/
She
We
/
You
/
They
is
are
writing.
speaking.
running.
结构:
be+doing
(
be要根据主语作人称和数的变化)
用现在进行时完成下列句子:
1.
What
______
you
doing
?
2.
I_____
singing
an
English
song.
3.
What
_____she
drinking
?
4.
He_____
driving
a
car.
5.
_____
you
flying
a
kite?
Yes,
_______.
6.
____
she
sitting
in
the
boat?
7.
______you
asking
questions?
8.
We
_____
playing
games
now.
are
am
is
is
Are
I
am
Is
Are
are
现在进行时
现在分词的构成规则：
1.一般在动词词尾加-ing，如：read-reading
2.以不发音e结尾，去e加-ing，如：write-writing
3.以重读闭音节结尾的动词，末尾只有一个辅音字母，应先双写这一字母，再加-ing。
Eg：swim-swimming
run-running
cut-cutting
shop-shopping
sit-sitting
特殊变化：lie-lying平躺，die-dying死亡
请写出下列动词的现在分词
speak
play
talk
sing
listen
do
write
drive
dance
sit
put
swim
put
run
speaking
playing
talking
singing
listening
doing
writing
driving
dancing
sitting
putting
swimming
putting
running
现在进行时
现在进行时的四种句式：
1.肯定句—主语+be+doing
Eg:
I
am
doing
my
homework.
2.否定句—主语+be+not+doing
Eg:
I
am
not
doing
my
homework.
3.一般疑问句—be提到句首（注意人称变化）
Eg:
Are
you
doing
your
homework?
4.特殊疑问句：特殊疑问词+一般疑问句
Eg:
What
are
you
doing
now?
句型转换
1.肯定句转换成否定句,要在
be
后加
not
构成
eg:We
are
reading
English
now.
?We
are
not
reading
English
now.
2.陈述句转换成一般疑问句,把be动词提到句首
eg:The
student
is
drinking.
?
Is
the
student
drinking?
3.陈述句转换成特殊疑问句,由“疑问词+一般疑问句”构成
eg:He
is
working.
?
What
is
he
doing?
句型转换：
1.They
are
cleaning
the
house.（一般疑问句）
3.Tom
is
singing.（改为否定句）
4.Kate
is______________________（划线提问）
5.She
is
sitting
________________
（划线提问）
putting
on
her
new
skirt.
near
the
window.
Are
they
cleaning
the
house?
Tom
is
not
singing.
What
is
Kate
doing?
Where
is
she
sitting?
Some
exercises.
用现在进行时改写下列句子.
1.She
sits
under
the
tree.
She
is
sitting
under
the
tree.
2.I
eat
a
hamburger
and
some
fruit.
I
am
eating
a
hamburger
and
some
fruit.
3.They
clean
the
classroom
They
are
cleaning
the
classroom.
1.The
child
__________the
windows
now.(open)
2.The
boy
_________
a
picture
now.(draw)
3.Look!
She
__________
a
book.(read)
4.I
___________an
e-mail
to
my
pen
pal
now.(write)
5.You
________
your
homework
at
home
now.(do)
6.We
___________
at
school
now.(run)
7.They
____________
TV
now.(watch)
is
opening
is
drawing
is
reading
am
writing
are
doing
are
running
are
watching
用所给动词的适当形式填空
1.Look!
Andy________(fly)
a
model
plane.
2.Listen!
Amy__________(sing)
in
the
next
room.
3.Many
students___________
(play)
football
in
the
football
field
now.
4.Father
isn’t
at
home.
He
________(work).
5.It’s
seven
o’clock
now.
His
father
____________(watch)
TV.
is
flying
is
singing
are
playing
is
working
is
watching
Thank
you
Bye-bye!
6.Kitty____________(dance)with
her
friends.
Can’t
you
see?
7.
---Where
is
Millie?
---She________________(chat)
with
her
classmates
in
the
classroom.
8.
---What_____Simon_________(do)?
---He_____________(draw)a
picture
on
the
blackboard.
9.
---______the
girls___________(sing)?
---No,they_______________(shout).
10.Don’t
talk
with
me,
please.
I
___________
(do)
my
homework.
is
dancing
is
chatting
is
doing
is
drawing
Are
singing
are
shouting
am
doing