Unit 1 Going to Beijing 语法讲解-- 现在进行时课件（24张PPT）

(共24张PPT)
现在进行时
Tom
play
football.
is
ing
Lucy
is
read
a
book.
ing
He
play
football
is
ing
now.
He
eat
is
ing
now.
现在进行时:
表示说话的瞬间正在进行或发生的动作，现在进行时的标志性词语有now,
look,
listen等
现在进行时的基本构成：
主语+be动词+现在分词
Eg:
draw
are
ing
They
pictures.
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
现在进行时的句式：
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
swimming?
Yes,I
am
./No,
I’m
not.
What
is
he
doing?
He
is
writing.
What
is
she
doing?
She
is
reading.
What
are
you
doing?
I
am
running.
What
is
he
doing?
He
is
playing
computer.
What
is
he
doing?
He
is
playing
basketball.
Yes,
I
am
.
Are
you
playing
football?
Is
she
walking?
No,
she
isn’t.
She
is
dancing.
do
______
watch
______
clean
______
read______
eat_______
play________
danc_____
writ________
run
______
swim
_______
ing
ing
ing
ing
ing
ing
ning
ming
ing
ing
e
e
写出下列动词的现在分词
What
is
she
doing?
She
is
drinking.
看图说话
Is
he
drawing?
Yes,
he
is.
看图说话
看图说话
What
is
she
doing?
She
is
writing.
看
图
说
话
What
are
they
doing?
They’re
doing
some
Kungfu.
看
图
说
话
Is
she
singing?
No,
she
isn’t.
看
图
说
话
Are
they
have
a
class?
Yes,
they
are.
看
图
说
话
Are
they
have
a
class?
No,
they
aren’t.They’re
reading.
二、用所给动词的适当形式填空
1.Look!
Andy________(fly)
a
kite.
2.Listen!
Amy__________(sing)
in
the
classroom.
3.Many
students___________(play)
football
now.
4.---What_____Sam_________(do)?
---He_____________(draw)a
picture
on
the
blackboard.
5.
---______the
girls___________(sing)?
---No,they__________.
is
flying
is
singing
are
playing
is
doing
is
drawing
Are
singing
aren’t
口诀教你学doing
进行时很好记,be加动词-ing;
直加双写去哑e,分词构成须仔细;
别说
be
无词义,主语和它最亲密;
变疑问
be
提前,否定
not
再后添;
何时要用进行时
look,listen,now标志.
句型转换：
1.They
are
cleaning
the
house.（一般疑问句）
2.Tom
is
singing.（改为否定句）
Are
they
cleaning
the
house?
Tom
is
not
singing.
3.Kate
is______________________
（划线提问）
doing
morning
exercises.
What
is
Kate
doing?