中小学教育资源及组卷应用平台
牛津深圳版英语八年级下册课时教学设计
Module4
Unit7
The
unknown
world
Grammar
课题
Unit
7
Period
3
单元
Module
4
学科
English
年级
8
学习目标与核心素养
知识目标：学习连词as，since和because的含义和用法以及because
of的用法。能力目标：主动探究，善于发现语言的规律并能运用规律举一反三。
重点
掌握because和because
of的区别。
难点
在实际运用中正确使用原因状语从句。
教学过程
教学环节
教师活动
学生活动
设计意图
导入新课
Step
1.
Review
Look
and
say.
看图片，回顾单词。
复习上节课的重点词汇。
讲授新课
Step
1.
Lead
in
Read
and
pay
attention
to
the
words
in
red
parts.
Step2.
PresentationLearn
the
definition
and
guide
words
of
adverbial
clauses
of
reason.Learn
usages
and
differences
of
because,
as
,
since.Learn
differences
of
because,
because
of
Step
3.
Let’s
do1.Fill
in
the
blanks
with
as,
because
or
since.2.
The
police
officer
asked
Tom
some
more
questions
about
the
aliens.
Match
the
questions
with
the
answer.
Then
use
them
to
complete
the
police
officer's
notes
with
as,
since
or
because.3.Choose
the
correct
answer.4.Write
sentences
about
the
story
on
page
99
by
using
because
of.Step
4.Group
workPair
work.
Watch
the
video
and
role
play.
Step
5.
SummaryStep
6.
ExerciseFill
in
the
blanks
with
because,
as,
since或
because
of.1.
Mary
didn’t
go
to
school
yesterday___________
she
was
ill.2.
___________
everybody
is
here，let’s
begin
our
games.3.
___________
you
are
in
poor
health,
you
should
go
to
bed
earlier.4.
She
didn’t
come,
___________
she
was
busy.5.
___________
all
the
passengers
are
here,
why
don’t
we
start
at
once?6.
Bill
won’t
make
any
progress
he
doesn’t
study
harder
than
before.7.1
couldn’t
sleep___________
the
noise.8.
Li
Ming
didn’t
go
out
for
a
walk___________
the
heavy
rain.9.1
was
absent
from
the
meeting___________
my
illness.10.—Why
did
you
buy
a
scarf
yesterday?—___________
it
was
my
mum’s
birthday
yesterday
and
I
bought
it
as
a
gift
for
her.Step
7
Homework1.
Understand
the
grammar.2.
Finish
the
exercises.
阅读句子，注意句子的红色部分
学习原因状语从句的定义、引导词及其用法与区别
完成补充练习及书上相应语法练习
看视频，并角色扮演回顾课堂语法重点完成习题完成家庭作业
引入新课
通过展示的内容掌握课文中的语法知识
落实语法掌握情况
锻炼口语，巩固语法再次加深对语法的理解
日积月累掌握做题技巧课后巩固
课堂小结
本课通过对复习旧课及句子的展示和练习，让学生掌握连词as，since和because的含义和用法，及because和because
of的区别，并能够在具体的情境中正确使用原因状语从句或用because
of陈述原因。培养学生主动探究，善于发现语言的规律并能运用规律举一反三。
总结本课重点
通过对重点的小结，让学生更系统地掌握本课内容
板书
Module4
Unit7
The
unknown
worldPeriod
3
GrammarAdverbial
clauses
of
reason原因状语从句1.
定义：表示原因的状语从句。2.
引导词：because,
since,
as等。3.
because,
as
与since三者的区别。4.
because
和because
of
的区别。
直观地展示本课重点语法内容
21世纪教育网
www.21cnjy.com
精品试卷·第
2
页
（共
2
页）
HYPERLINK
"http://www.21cnjy.com/"
21世纪教育网(www.21cnjy.com)(共35张PPT)
牛津深圳版
八年级下册
Unit7
The
unknown
world
Period
3
Grammar
Review
Words
review
tent
n.
desert
n.
Review
Words
review
knife
n.
landing
site
n.
Lead
in
Read
and
pay
attention
to
the
words
in
red
parts:
1.He
is
absent
today
because
he
was
ill.
2.Since
no
one
else
saw
these
aliens,
I
refuse
to
believe
you.
3.It
looks
strange
as
he
looked
at
the
word
“EARTH”.
Adverbial
clauses
of
reason
原因状语从句
Presentation
Adverbial
clauses
of
reason
tell
us
why
things
happen.
We
usually
use
because,
as
and
since
to
start
adverbial
clauses
of
reason.
表示原因的状语从句
一、定义：
二、引导词：
because,
since,
as等。
Adverbial
clauses
of
reason
原因状语从句
Presentation
Adverbial
clause
of
reason
Main
clause
Because
no
one
else
saw
these
aliens,
I
refuse
to
believe
you.
As
Since
三、because,
as
与since三者的区别：
Presentation
We
can
also
put
the
adverbial
clause
of
reason
after
the
main
clause.
Main
clause
Adverbial
clause
of
reason
I
refuse
to
believe
you
because
no
one
else
saw
these
aliens.
as
since
引导的从句既可以位于主句的前面，也可以位于主句的后面。
★注意：
从句位于主句前面时，要用逗号与后面的主句分开。
Things
to
remember
When
we
put
the
adverbial
clause
of
reason
at
the
beginning
of
the
sentence,
we
often
separate
it
from
the
main
clause
with
a
comma(,).
Presentation
如：We
had
to
stay
at
home
because
it
was
raining.
=
Because
it
was
raining,
we
had
to
stay
at
home.
Presentation
Try
to
rewrite
the
sentences.
(1)I
didn’t
go
because
I
was
afraid.
=
Because
.
(2)You
don’t
have
to
see
him
today
as
you
are
too
busy.
=As
.
(3)Since
you
have
finished
your
work,
you
can
have
a
rest.
=
since
.
I
was
afraid，I
didn’t
go
you
are
too
busy,
you
don’t
have
to
see
him
today
You
can
have
a
rest
you
have
finished
your
work
Presentation
（1）because
表示直接原因，语气最强,
着重点在从句，它所指的原因通常是听话人所不知道的，。常用来回答why
的提问。
如：
He
didn’t
come
to
school
because
he
was
ill.
因为他生病了，所以没来上学。
-
Why
can’t
I
go?-
Because
you
are
too
young.
-为什么我不可以去？-因为你还太小了。
Presentation
侧重主句，语气次于because，常表示稍加分析便能得出来的原因，或人们已知的事实，意为“既然，因为”，常置于句首。
如：Since
you
can’t
answer
the
question,
I’ll
ask
someone
else.
既然你能回答这个问题，我去问问别人。
（2）since
（3）as
Presentation
as
引导的原因状语从句语气最弱，它所表示的原因只是附带说明的“双方已知的原因”，常译为“由于；鉴于”。可谓语句首或句末。
如：As
it
is
raining,
we
shall
not
go
to
the
zoo.
由于下雨了，我们不应该去动物园。
Let's
do
Fill
in
the
blanks
with
as,
because
or
since:
1._________
you
do
not
understand,
I
will
explain
again.
2.
________
she
was
late
for
school,
she
had
to
say
sorry..
3.
__________
he
was
ill,
he
didn’t
go
to
school.
Since
As
Because
解析：考查原因状语从句连接词。1.2表示原因，语气较弱，1表示“既然”选用since，2表示“众所周知”的理由选用as；3表示直接原因，选用Because。
Let's
do
The
police
officer
asked
Tom
some
more
questions
about
the
aliens.
Match
the
questions
with
the
answer.
Then
use
them
to
complete
the
police
officer's
notes
with
as,
since
or
because.
1
Why
was
Tina
sure
that
something
landed
in
the
forest
near
the
hills?
2
Why
did
you
and
Tina
hide
behind
some
bushes?
3
Why
did
you
run
away?
4
Why
did
your
father
refuse
to
believe
you?
a
We
heard
some
voices
speaking
a
strange
language.
b
She
heard
a
loud
noise
last
night.
c
No
one
else
saw
these
aliens.
d
An
alien
saw
us
and
made
a
terrible
noise.
b
d
a
c
Let's
do
Tom
b
She
heard
a
loud
noise
last
night.
Police
officer
1
Why
was
Tina
sure
that
something
landed
in
the
forest
near
the
hills?
1
（because）
Tina
was
sure
that
something
landed
in
the
forest
near
the
hills
because
she
heard
a
loud
noise
last
night.
Let's
do
Let's
do
2（as）
Tina
and
I
hid
behind
some
bushes
as
we
heard
some
voices
speaking
a
strange
language.
Tom
a
We
heard
some
voices
speaking
a
strange
language.
Police
officer
2
Why
did
you
and
Tina
hide
behind
some
bushes?
Let's
do
3（Because）
Because
an
alien
saw
us
and
made
a
terrible
noise,
we
ran
away.
Tom
d
An
alien
saw
us
and
made
a
terrible
noise.
Police
officer
3
Why
did
you
run
away?
Let's
do
4
（Since）
Since
no
one
else
saw
these
aliens,
our
father
refused
to
believe
us.
Tom
c
No
one
else
saw
these
aliens.
Police
officer
4
Why
did
your
father
refuse
to
believe
you?
Presentation
because
和
because
of
的区别
如：
I
didn’t
buy
it
because
it
was
too
expensive.
He
is
here
because
of
you
(that).
They
didn’t
go
to
the
museum
because
it
rained.
They
didn’t
go
to
the
museum
because
of
the
rain.
because
是连词，后面接句子，构成表示原因的语从句；
because
of
是短语介词，后面接名词、名词性短语或动词-ing形在句子常用作状语。
Presentation
Look
and
say:
A:
Why
are
you
late?
B:
I’m
late
because
of
_________________.
I’m
late
because
_________________.
the
heavy
traffic
the
traffic
is
heavy
Presentation
Look
and
say:
A:
Why
did
you
not
go
to
work
yesterday,Lily?
B:
I
didn’t
go
to
work
because
of
___________.
I
didn’t
go
to
work
because
_________________.
my
illness
I
was
ill
Look
and
say:
Presentation
A:
Why
was
there
no
electricity
this
morning?
B:
There
was
no
electricity
this
morning
because
of
_________________________last
night
.
/
because
___________________________
last
night.
the
heavy
storm
the
storm
is
very
heavy
We
can
also
use
because
of
to
give
the
reason
for
something.
Presentation
because
of
Presentation
They
went
to
the
forest
because
of
their
curiosity.
Tina
woke
up
at
midnight
because
of
a
loud
noise.
She
decided
to
explore
the
forest
because
of
it.
Work
out
the
rule
We
can
use
a
noun,
a
noun
phrase
or
a
(subject
pronoun/
object
pronoun)
after
because
of.
Let's
do
1.He
realized
she
was
crying
_____
what
he
had
said.
a.
because
b.
because
of
2.
I
didn’t
buy
it
______
it
was
too
expensive.
a.
because
b.
because
of
3.
He
lost
his
job
______
his
age.
a.
because
b.
because
of
4.
He
didn’t
come
______
he
was
ill.
a.
because
b.
because
of
b
a
b
a
Choose
the
correct
answer:
Let's
do
Write
sentences
about
the
story
on
page
99
by
using
because
of.
1
Tina
was
surprised/
the
yellow
light
in
the
sky
2
The
alien
landed
on
this
planet/
an
accident
Tina
was
surprised
because
of
the
yellow
light
in
the
sky.
The
aliens
landed
on
this
planet
because
of
an
accident.
Let's
do
3
The
children
ran
away
from
the
forest/
the
aliens
4
Their
dad
was
not
sure
about
the
children's
story/
the
writing
on
the
piece
of
paper
The
children
ran
away
from
the
forest
because
of
the
aliens.
Their
dad
was
not
sure
about
the
children’s
story
because
of
the
writing
on
the
piece
of
paper.
Group
work
Pair
work.
Watch
the
video
and
role
play.
Group
work
Vicki：Jennifier，you
got
so
many
stamps.
Jennifier：Yes.
I
like
collecting
stamps
because
they
are
interesting.
Vicki：I
see.
Since
they
are
about
different
countries,
you
must
like
travelling
a
lot.
Jennifier：You
are
right.
It
is
my
dream
to
travel
around
the
world.
Vicki：That’s
great.
Oh,
look.
It’s
raining
outside!
Jennifier：Yeah.
As
it’s
raining,
let’s
order
some
food
and
eat
inside.
Vicki：Good
idea.
Summary
Adverbial
clauses
of
reason
原因状语从句
1.
定义：表示原因的状语从句。
2.
引导词：because,
since,
as等。
3.
because,
as
与since三者的区别。
4.
because
和because
of
的区别。
Exercise
Fill
in
the
blanks
with
because,
as,
since
or
because
of.
1.
Mary
didn’t
go
to
school
yesterday___________
she
was
ill.
2.
___________
everybody
is
here，let’s
begin
our
games.
3.
___________
you
are
in
poor
health,
you
should
go
to
bed
earlier.
4.
She
didn’t
come,
___________
she
was
busy.
5.
___________
all
the
passengers
are
here,
why
don’t
we
start
at
once?
because
Since
As
because
Since
Exercise
6.
Bill
won’t
make
any
progress
he
doesn’t
study
harder
than
before.
7.1
couldn’t
sleep___________
the
noise.
8.
Li
Ming
didn’t
go
out
for
a
walk___________
the
heavy
rain.
9.1
was
absent
from
the
meeting___________
my
illness.
10.—Why
did
you
buy
a
scarf
yesterday?
—___________
it
was
my
mum’s
birthday
yesterday
and
I
bought
it
as
a
gift
for
her.
because
because
of
because
of
Because
because
of
Homework
1.
Understand
the
grammar.
2.
Finish
the
exercises.
https://www.21cnjy.com/help/help_extract.php中小学教育资源及组卷应用平台
Module4
Unit7
The
unknown
world
Grammar导学案
学生姓名
班级
序号
课题内容
Module4
Unit7
The
unknown
world
Grammar
学习目标与核心素养
知识目标：学习连词as，since和because的含义和用法以及because
of的用法。能力目标：主动探究，善于发现语言的规律并能运用规律举一反三。
学习重点
掌握because和because
of的区别。
学习难点
在实际运用中正确使用原因状语从句。
用横线划出下列句子的连词部分：
1.He
likes
me?because?I'm
smart.
2.I
can't
buy
it
since?I
have
no
money.
3.As
it
was
raining,
the
match
was
canceled（取消）.
探究点一：
观察以上句子并翻译句子，
.
.
.
我们可以发现，引导原因的状语从句的连词有：
、
、
。
例如：He
is
leaving
because
he
is
fed
up
with
the
boss.他离开是因为他厌烦老板。
Since
everyone
is
here,
let’s
start
our
class.既然大家都来了,咱们就开始上课吧
As
you
were
not
there,
I
left
a
message.因为你不在那里,所以我留了个信儿。
探究点二：
观察课本103页两个紫色表格，我们可以发现原因状语从句的主句从句位置
（可以/不可以）互换。
例如：I
did
not
go
to
school
yesterday
because
I
was
ill.我昨天没去上学,因为我生病了。
=
Because
I
was
ill
yesterday，I
did
not
go
to
school.
探究点三：
观察以下句子，
I
did
not
go
to
school
yesterday
because
I
was
ill.
I
did
not
go
to
school
yesterday
because
of
my
illness.
Tina
woke
up
at
midnight
because
of
a
loud
noise.
She
decided
to
explore
the
forests
because
of
it.
我们可以发现，because
后面常常接
,
而because
of
后面常常接的是
、
、
。
试一试：
1.Li
Ming
didn’t
go
out
for
a
walk
because
of
______.
（天下大雨）
2.Li
Ming
didn’t
go
out
for
a
walk
because
______.（天下大雨）
3.Li
Ming
won’t
go
to
the
meeting
because
______.
（他生病了）
4.Li
Ming
won’t
go
to
the
meeting
because
of
______.
（他生病了）
一、选择题。
(
)
1.
---
Why
don't
you
believe
his
words,
Mike?
---________
he
always
tells
lies.
A.
Because
B.
Because
of
C.
As
D.
Since
(
)
2.
Jim
found
it
difficult
to
see
the
blackboard
clearly_______
his
eyesight
became
worse.
A.
but
B.
so
C.
as
D.
although
(
)
3.
_______
the
weather
is
so
bad,
I
decide
to
stay
at
home
and
watch
TV.
A.
And
B.
Until
C.
Since
D.
Unless
(
)
4.
Mary
must
be
ill
at
home
_______
she
didn't
come
to
school
today.
A.
when
B.
because
of
C.
but
D.
because
(
)
5.
Tina
woke
up
at
midnight
________
a
loud
noise.
A.
because
B.
because
of
C.
as
D.
since
(
)
6.
I
will
not
tell
you
the
rules_______
I
have
told
you
before.
A.
because
B.
because
of
C.
until
D.
while
二、根据文章内容，用
because，as，since
或
because
of填空。
Liz
and
Gus
had
to
leave
their
spaceship
(1)
___________
it
was
broken.
They
picked
up
their
things
and
set
off
the
landing
site.
(2)___________
they
only
had
two
days
to
reach
the
mother
ship,
they
must
hurry
up
to
do
it.
First
they
walked
into
the
forest.
They
walked
for
one
day.
At
night,
they
set
up
the
tent
to
have
a
rest.
(3)
___________
it
was
cold
at
night,
they
used
the
matches
to
make
a
fire.
The
next
day
they
walked
out
of
the
forest
and
reached
the
lake.
Near
the
lake,
they
saw
some
dangerous
animals.
The
animals
came
towards
them
and
wanted
to
eat
them
for
food
(4)___________
hunger.
Liz
and
Gus
felt
frightened
and
ran
away.
They
could
not
get
across
the
river
(5)___________
they
didn’t
have
a
boat,
so
they
decided
to
cross
the
desert.
They
walked
for
another
day
and
drank
all
their
water.
Finally,
they
got
to
the
mother
ship
before
dark.
答案：
【预习案】
1.He
likes
me?because?I'm
smart.
2.I
can't
buy
it
since?I
have
no
money.
3.As
it
was
raining，the
match
was
canceled（取消）.
【探究案】
探究点一：
1.他喜欢我因为我很聪明。
2.因为我没钱，所以我不能买它。
3.比赛取消了，因为正在下雨。
because,since,
as.
探究点二：
可以
探究点三：
句子，名词，名词短语，代词宾格。
1.heavy
rain
2.it
was
raining
heavily.
3.he
is
ill.
4.his
illness.
【训练案】
一、选择题。
ACCDBA
二、根据文章内容，用
because，as，since
或
because
of填空。
1.
because
2.
As/Because
3.
Because/As/Since
4.
because
of
5.
because
一、预习案
二、探究案
我的知识网络图
三、训练案
HYPERLINK
"http://21世纪教育网(www.21cnjy.com)
"
21世纪教育网(www.21cnjy.com)
