(共23张PPT)
Unit
8
What
can
you
do
?
Part
B
陕旅版·四年级下册
New
words
尝试；努力
有帮助的
我们（宾格形式）
Let’s
learn
more
We
are
going
to
have
a
party.
What
can
you
do,
Su
Nan?
I
can
sing
a
song.
Can
you
sing
an
English
song?
Yes,
I
can
try.
Can
you
play
the
music
at
the
party?
No,
I
can’t.
but
I
can
take
photos
for
you.
Thank
you.
You
are
helpful.
What
can
Kevin
do?
He
can
draw
some
pictures
for
us.
That’s
good.
Language
points
1.
Can
you
sing
an
English
song?
你能唱一首英语歌吗？
以情态动词can提问的一般疑问句
句型为“can+人称+动词原形？”
肯定回答为“Yes，人称+can.”
否定回答为“No，人称+can’t.”
例句：猴子会游泳吗？不，它不会。
Can
the
monkey
swim?
No,
it
can’t.
2.
You
are
helpful.
你很乐于助人。
形容词helpful意思为“有帮助的；有益的”,在在句子中要与be动词联用。
例句：
好书对我们是有帮助的。
Good
books
are
helpful
to?us.
Do
a
survey
and
report
What
can
you
do
for
our
party?
I
can
sing
an
English
song.
Can
you
sing
a
Chinese
song?
No,
I
can’t.
Name
Sing
a
Chinese
song
Sing
an
English
song
Play
the
music
Take
photos
Draw
a
picture
Buy
some
balloons
Kitty
×
√
Kitty
can
sing
an
English
song.
But
she
can’t
sing
a
Chinese
song.
Read
a
story
There
are
many
bananas
on
the
trees.
How
can
I
get
them?
I
can
climb
the
trees.
But
I
can’t
cross
the
river.
The
bananas
are
nice.
How
can
I
have
them?
I
can
cross
the
river.
But
I
can’t
climb
the
trees.
I
can
help
you
cross
the
river.
And
you
can
pick
some
bananas
for
us.
We
can
help
each
other.
That’s
a
good
idea!
How
nice!
Yummy!
Yummy!
1.
How
can
I
get
them?
我怎样得到他们呢？
以特殊疑问词how(怎样，怎么)提问的的特殊疑问句，其句型为“How+情态动词+人称+动词原形？”
例句：他是怎样画出这幅画的？
How
can
he
draw
the
picture?
Language
points
2.
I
can’t
cross
the
river.我不能过河。
含有情态动词的否定句型一般为“人称+情态动词+not”，此句中“can’t”是“can
not”的缩略形式。
例句：这个男孩不能唱英语歌。
The
boy
can’t
sing
an
English
song.
3.
And
you
can
pick
some
bananas
for
us.
而你能为我们摘些香蕉。
us意思是“我们（宾格）”，we是us的主格形式。一般在动词和介词后面用人称代词的宾格形式。
例句：让我们来帮助你。
Let
us
help
you.
拓展：人称代词的主格与宾格
第一人称
第二人称
第三人称
单数
复数
单数
复数
单数
复数
主格
I
we
you
you
she,
he,
it
they
宾格
me
us
you
you
her,
him,
it
them
4.
We
can
help
each
other.我们可以互相帮助。
help
each
other.互相帮助。
例句：
在学校他们经常互相帮助。
They
often
help
each
other
at
school.
