(共31张PPT)
人教新目标版
八年级下
Section
A
Grammar
Focus-4c公开课
Unit
3
Could
you
please
clean
your
room?
How
many
kinds
of
chores
can
you
find
in
the
video?
Warming-up
do
chores
Make
a
list.
clean
the
living
room
sweep
the
floor
fold
the
clothes
make
the
bed
do
th
dishes
take
out
the
rubbish
take
the
dog
for
a
walk
cook
dinner
Revision
Could
you
please
clean
our
yard?
Sure
,
I'm
glad
to.
(
Make
a
request
)
Could
you
please
open
the
window?
Sure,
That
should
be
ok.
Could
you
please
turn
off
the
light?
I'd
love
to,
but
I'm
doing
my
homework.
Could
you
please
water
the
flowers?
Ok,
but
I
want
to
watch
one
show
first.
Look
and
say
Revision
Look
and
say
(Ask
for
permission)
Could
I
use
your
cellphone?
Yes,
here
you
are.
Could
I
put
my
bike
here?
Yes,
please.
Could
I
get
a
ride?
Sorry,
you
can't.
I'll
be
late
for
work.
Could
I
at
least
finish
watching
this
show?
No,
I
think
two
hours
of
TV
is
enough
for
you!
Revision
Fill
in
the
blanks
according
to
the
text.
Grammar
Focus
1.
我能和朋友出去吃饭吗？
________
go
out
for
dinner
with
my
friends.
当然，应该没问题。
____
,
__________________
.
2.
看完电影我们能喝点东西吗？
_________
get
something
to
drink
after
the
movie?
不行，你明天有篮球赛。
___
,
_________.
You
have
a
basketball
game
tomorrow.
Could
I
Sure
that
should
be
OK
Could
we
No
you
can’t
Practice
Fill
in
the
blanks
according
to
the
text.
Grammar
Focus
3.
你能带狗去散散步吗？
__________
please
take
the
dog
for
a
walk?
好吧，但是我想先看一个节目。
____
,
___
I
want
to
watch
one
show
first.
4.
你能把垃圾拿出去吗？？
__________
please
take
out
the
rubbish?
是的，当然。
___
,
_____.
OK
but
Could
you
Could
you
Yes
sure
朗读句子
Could
I
go
out
for
dinner
with
my
friends?
Sure,
that
should
be
OK.
Could
we
get
something
to
drink
after
the
movie?
No,
you
can’t.
You
have
a
basketball
game
tomorrow.
Could
you
please
take
the
dog
for
a
walk?
OK,
but
I
want
to
watch
one
show
first.
Could
you
please
take
out
the
rubbish?
Yes,
sure.
情态动词could的用法
语法讲析
句型:
①
肯定:
Could
you
(please)
+
动词原形?
②
否定:
Could
you
(please)
not
+
动词原形?
Could表委婉请求的用法
肯定回答：Yes,
I
can.
/
Yes,
sure.
/
All
right
/
Certainly
/I’d
love
to./
No
problem
/
With
pleasure
/
I’d
be
glad
to.
否定回答：Sorry,
I
can't.
I
have
to
do
my
homework./
I'm
afraid
I
can't.
I
am
doing
my
homework.
I'd
love
to,
but
I'm
going
to
school.
语法讲析
Could表请求许可的用法
句型:
①
Could
I
+
动词原形?
我可以/能……吗？
②
Could
we
+
动词原形?
我们可以/能……吗？
肯定回答:
Yes,
you
can.
/Yes,
please.
/
Yes,
sure.
否定回答:
No,
you
can't.
/
Sorry,
you
can't.
/
I'm
afraid
you
can't.
/
You’d
better
not.
观察与思考
读以下四个句子，总结出could的用法。
could
He
couldn't
be
at
the
school
then.
他那时不可能在学校。
You
could
talk
to
your
teacher
now.现在你可以
和老师谈一谈。
Could
you
help
me?
你能帮帮我吗？
I
could
run
fast
when
I
was
a
child.
我小时候可以跑得很快。
can
的过去时，表示能力，意为“能够，会”。
表示有礼貌的请求，
意为：“可以…吗？”
委婉地向别人提出建议，意为“可以做…。”
表推测，但把握不大。意为“可能”。
语法讲析
Could
和
can表请求的区别
could与can都是情态动词，could是can的过去式。二者都可用于表示请求,
但是用法稍有不同:
1.
could表示有礼貌的请求，语气委婉，常用于非熟人之间
或晚辈对长辈、下级对上级的场合。
-
Could
you
tell
us
if
it
snows
in
winter
in
Australia?
-
Sure.
2.
can表示一般性的请求，语气随便，常用于熟
人之间或长辈对晚辈、上级对下级的场合；
-
Can
you
tell
us
your
story,
Tony
?
-
Of
course.
语法讲析
常见表示委婉请求的句型
①
Could
you
please
+
do
sth.?
②
Could
you
+
do
sth.?
③
Would
you
please
+
do
sth.?
④
Would
you
+
do
sth.?
⑤
Would
you
mind
+
doing
sth.
??你介意……吗？
⑥
Would
you
like
+
to
do
sth.
??你愿意...吗?
⑦
What
about
doing
sth.
?
......怎么样？
语法讲析
常见表示请求允许的句型
①
May
I
+
do
sth.
?
②
Can
I
+
do
sth.
?
③
Could
I
+
do
sth.
?
④
Might
I
+
do
sth.
?
⑤
Do
you
mind
if
I
+
do
sth.
??
表示给予允许,只能用can/may,
不能用
could
或
might。e.g.
A:
Could
I
use
your
pen?
B:
Yes,
of
course
you
can.
(不用
Yes,
you
could)
(天水中考)
—Could
you
tell
me
how
to
pay
for
the
food
by
QR
code(二维码)on
the
phone?
—_____.
A.
Take
it
easy
B.
It
doesn't
matter
C.
With
pleasure
D.
You're
welcome
(昆明中考)
—Gina,
could
you
please
play
the
drums
on
the
art
festival?
—_____.
I
can
only
play
the
guitar.
A.
I'm
afraid
I
can't.
B.
Yes,
I
can.
C.
Sure,
I'd
love
to.
C
A
1
2
【中考链接】
(眉山中考)
—Could
you
please
help
me
wash
the
car,
Tony?
—____,
I'm
studying
for
my
coming
English
test
now.
A.
That's
right
B.
I'm
sorry
C.
It
doens't
matter
D.
Not
at
all
(滨州中考)
—Could
I
invite
my
friends
to
the
party
on
Saturday,
Mom?
—Of
course
you
____.
That
sounds
like
fun.
A.
may
B.
could
C.
must
D.
can
(滨州中考)
—Mum,
it's
too
hot.
____
I
swim
in
the
lake?
—No,
you
____.
That's
too
dangerous!
A.
Should;
can't
B.
Need;
mustn't
C.
Must;
needn't
D.
Could;
mustn't
D
B
D
3
4
5
1.
____
Could
I
hang
out
with
my
friends
after
the
movie?
2.
____
Could
you
please
pass
me
the
salt?
3.
____
Could
I
borrow
that
book?
4.
____
Could
you
help
me
do
the
dishes?
5.
____
Could
you
lend
me
some
money?
Write
R
for
requests
and
P
for
permission.
4a
P
R
P
R
R
hang
out闲逛
1.
P-__
Could
I
hang
out
with
my
friends
after
the
movie?
2.
R-__
Could
you
please
pass
me
the
salt?
3.
P-__
Could
I
borrow
that
book?
4.
R-__
Could
you
help
me
do
the
dishes?
5.
R-__
Could
you
lend
me
some
money?
Then
Match
each
one
with
the
correct
response.
d
a.
Yes,
here
you
are.
b.
Hmm.
How
much
do
you
need?
c.
Yes,
sure.
No
problem.
I
finished
reading
it
last
night.
d.
Yes,
but
don't
come
back
too
late.
e.
No,
I
can't.
I
cut
my
finger
and
I'm
trying
not
to
get
it
wet.
a
c
e
b
finish
doing
sth.
做完某事
回来
1.
Could
I
hang
out
with
my
friends
after
the
movie?
(教材P20
4a)
hang
out为固定短语，此时hang的过去式和过去分词均为hung。
hang
out
闲逛
Point
Language
points
She
is
hanging
out
with
her
friends
in
the
shopping
mall.
【拓展延伸】
含hang的其他常见短语：
hang
hang
out
抓紧；别挂电话
hang
up
挂断电话
hang
back
犹豫；留下，吞吞吐吐
hang
together
(观点等)前后一致
2.
Could
you
please
pass
me
the
salt?
(教材P20
4a)
pass在此处为及物动词，意为“给；递”。pass
sb.
sth.
=
pass
sth.
to
sb.，意为“把某物递给某人”。如果sth.
为代词，只能用pass
sth.
to
sb.
结构
pass
v.
给；递；走过；通过
Point
Language
points
He
passed
me
the
magazine.
=
He
passed
the
magazine
to
me.
This
ball
is
Owen's.
Please
pass
it
to
him.
【拓展延伸】
pass作动词的其他常见含义：
pass
走过；通过
及格；合格
(时间)
过去；流逝
The
road
was
so
narrow
that
cars
were
unable
to
pass.
The
days
passed
slowly.
I
was
happy
that
I
passed
the
exam.
3.
①Could
I
borrow
that
book?
(教材P20
4a)
②Could
you
lend
me
some
money?
(教材P20
4a)
borrow
v.借；借用
lend
v.
借给；借出
Point
Language
points
【易混辨析】
borrow与lend
例词
含义
常用结构
borrow
“借；借用”，指主语从别人处“借来”东西自己使用。
borrow
sth.
(from
sb.)
（向某人）借某物
lend
(lent,
lent)
“借给；借出”，指主语把自己的东西“借出”给别人使用。
lend
sth.
to
sb.=lend
sb.
sth.
把某物借给某人
【拓展延伸】keep也可表示“借”，是延续性动词，常与表示一段时间的状语连用。keep
sth.
for
some
time表示“借用某物一段时间”。而lend与borrow是短暂性动词，不能与表示一段时间的状语连用。
【巧学妙记】主语借出用lend，主语借入用borrow，想要保存用keep。
Nick
borrowed
a
book
from
the
library
and
he
lent
it
to
me.
He
told
me
that
I
could
keep
it
for
a
week.
Use
the
content
of
4a
to
have
dialogues
with
your
partner.
Could
you
please
pass
me
the
salt?
Yes,
here
you
are.
Fill
in
the
blanks
in
the
conversation.
A:
I
hate
to
____
chores.
B:
Well,
I
hate
some
chores
too,
but
I
like
other
chores.
A:
Really?
Great!
_____
I
ask
you
to
____
me
with
some
chores
then?
B:
What
do
you
need
help
with?
A:
______
you
please
_____
my
clothes
for
me?
B:
I
don’t
want
to
do
that!
It’s
boring!
A:
OK.
Then
______
you
______
do
the
dishes
for
me?
B:
Sure,
no
problem.
But
_____
we
go
to
the
movies
after
that?
A:
Sure.
I’ll
finish
my
homework
while
you
help
me
with
the
dishes.
Then
we
can
go
to
the
movies.
hate意为“憎恨，厌恶，不喜欢”
Could
fold
help
do
Could
please
could
could
4b
4.
I'll
finish
my
homework
while
you
help
me
with
the
dishes.
(教材P20
4b)
（1）while在此处作连词，引导时间状语从句，强调在从句动作发生的同时，主句动作也在进行。
while
conj.
与……同时；当……的时候；而；然而
Point
Language
points
While
I
was
doing
my
homework,
my
father
was
reading
a
book.
（2）while作连词，还可表示“而；然而”，强调两者之间的对比。
This
shirt
fits
better
while
that
one
has
a
nicer
style.
Discussion
If
we
have
a
camping
trip,
what
should
we
do
before
the
trip?
take
a
big
cloth
bring
a
tent
buy
some
food
bring
a
camera
take
an
umbrella
prepare
some
programs
Make
a
list
of
things
your
group
needs
to
do
for
a
camping
trip.
Then
discuss
who
will
do
them
and
complete
the
chart.
4c
To-do
list
Name
bring
a
tent
Liu
Chang
A:
Could
you
please
bring
a
tent,
Liu
Chang?
B:
Sure.
And
could
you
please...?
C:
Sorry,
I
can't.
I
have
to...
A:
Could
you
please
bring
a
tent,
Liu
Chang?
B:
Sure.
And
could
you
please
bring
a
camera,
Mary?
C:
Sorry,
I
can't.
I
have
to
prepare
some
food
and
drinks.
D:
I'd
like
to
bring
a
camera.
And
could
I
prepare
some
cards?
We
can
play
a
card
game
there.
A:
That's
a
good
idea.
And
I'll
bring
some
matches
and
a
flashlight.
Example
谢谢
21世纪教育网（www.21cnjy.com)
中小学教育资源网站
有大把高质量资料？一线教师？一线教研员？
欢迎加入21世纪教育网教师合作团队！！月薪过万不是梦！！
详情请看：
https://www.21cnjy.com/help/help_extract.php中小学教育资源及组卷应用平台
Unit3
Could
you
please
clean
your
room?
SectionA
Grammar
Focus-4c导学案
学生姓名
班级
序号
课题内容
Unit3
Could
you
please
clean
your
room?SectionA
Grammar
Focus-4c
学习目标与核心素养
1.
掌握并灵活运用本课的重点词汇:
pass,
borrow,
lend,
finger,
hate,
chore,
while2.
掌握以下重点短语:
pass
sb.
sth.
,
lend
sb.
sth.
,
borrow
sth.
from
sb.3.
掌握could表达有礼貌的提出要求及请求准许的用法。4.主动地去帮助做杂务，分担杂务。
学习重点
能正确区分提出有礼貌的请求和征求允许的句型
学习难点
总结could的两大交际功能，并能够在实际生活中正确运用所学语法。
【学法指导】
自觉背诵grammar
focus的对话、读用重点句型
【探究与活动】
一、自学（自主探究）
1.
我能和朋友出去吃饭吗？
________
go
out
for
dinner
with
my
friends.
当然，应该没问题。
____
,
__________________
.
2.
看完电影我们能喝点东西吗？
_________
get
something
to
drink
after
the
movie?
不行，你明天有篮球赛。
___
,
_________.
You
have
a
basketball
game
tomorrow.
3.
你能带狗去散散步吗？
__________
please
take
the
dog
for
a
walk?
好吧，但是我想先看一个节目。
____
,
___
I
want
to
watch
one
show
first.
4.
你能把垃圾拿出去吗？？
__________
please
take
out
the
rubbish?
是的，当然。
___
,
_____.
二、交流（合作探究）
1.
熟记Grammar
focus
2.
情态动词could的用法
情态动词could可用于礼貌地向对方提出请求或请求对方的许可，常用于疑问句，可代替can，在意思与时间上与can没有区别，但语气比can委婉有礼貌。
1．委婉地表示请求别人做某事。
常用句型
Could/Can/Would
you(please)
do
sth．？
肯定回答
Yes，sure．/Yes，I
can．/Of
course，I
can．/No
problem．/With
pleasure．
否定回答
可先拒绝，再说明理由：Sorry，I
can't．I
have
to．．．/Sorry，I'm
going
to．．．/I'm
afraid
I
can't．I
have
to．．．
2．委婉地表示请求别人允许自己做某事。
常用句型
Could/May/Can
I
do
sth．？
肯定回答
Yes，you
can．/Yes，please．等
否定回答
Sorry，you
can't．/I'm
afraid
you
can't．等(后可接上拒绝的理由)
【拓展】could的其他用法：
①could为情态动词can的过去式，用于表示能力。
e．g．He
could
swim
at
the
age
of
five．他5岁就能游泳了。
②表示可能性，用来对将来、现在或过去进行推测。
e．g．I
can't
find
Mr．Miller
in
the
office．He
could
be
in
the
classroom．我在办公室找不到米勒先生。他可能在教室。
③表示建议。
e．g．You
could
wear
a
coat
if
you
go
to
climb
the
mountain．如果你去爬山的话可以穿大衣去。
④用于虚拟语气。
e．g．Many
people
wish
that
they
could
fly．很多人都希望他们能飞。
3.borrow
动词,
意为“借;借用”。
May
I
borrow
your
pen?
我可以借你的钢笔吗?
辨析
borrow,
lend
borrow表示“借进”,即说话人向别人借东西供自己用,常用于“borrow
sth.
from
sb./
somewhere”结构中。
lend表示“借出”,即说话人把自己的东西借给别人用,常用于“lend
sth.to
sb./
lend
sb.sth.”结构中。
I
borrowed
an
interesting
book
from
the
library.
我从图书馆借了一本有趣的书。
I
lent
the
book
to
my
best
friend
Jack.我把书借给了我最好的朋友杰克。
=I
lent
my
best
friend
Jack
the
book.
4.pass
动词，意为“给，递给”，后可接双宾语结构，即pass
sb.
sth,
意为“把某物递给某人”，该结构可以和pass
sth.
to
sb,
互换。
Please
pass
me
that
book.请把那本书递给我。
=Please
pass
that
book
to
me.
【自我评价】
1.
本课我学会了什么？
___________________________________________________________
2.
通过本课的学习，我还有哪些疑问？
___________________________________________________________
HYPERLINK
"http://21世纪教育网(www.21cnjy.com)
"
21世纪教育网(www.21cnjy.com)
