中小学教育资源及组卷应用平台
Unit
10
If
you
go
to
the
party,
you’ll
have
a
great
time!
Section
A
(Grammar
Focus-3c)导学案
【学习目标】
学习理解下列词汇：upset,
taxi,
advice，
复习巩固学习Section
A
部分所学的生词和词组。
3.
通过核心句型的集中学习，能更加牢固的运用对事情的结果进行预测的句型。
I
think
I’ll
take
the
bus
to
the
party.
If
you
do,
you’ll
be
late.
I
think
I’ll
stay
at
home.
If
you
do,
you’ll
be
sorry.
What
will
happen
if
they
have
the
party
today?
If
they
have
it
today,
half
the
class
won’t
come.
【学习重点难点】
1.
掌握正确用含if条件状语从句的主从句。
2.
能够熟练运用所学的知识，用if来表达条件，用will来表达结果。
【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）
学生自学Grammar
Focus。
1.
我想我将会乘公共汽车去参加聚会。I
_____
I’ll
take
the
bus
to
the
______.
2.
如果你那样做，你将会迟到。
If
you
_____,
_____
be
late.
3.
我想我将待在家里。I
_____
_____
stay
at
home.
4.
如果你那样做，你将会觉得很抱歉。
If
you
____,
______
____
sorry.
─
No,
she’s
_______
________.
She
______
to
____
to
the
______.
5.
如果他们今天聚会，将会发生什么事？
_____
___
_______
if
they
_____
the
party
today?
6.
如果他们今天聚会，班里一半的学生将不会去。
If
they
______
the
party
today,
______
the
class
_______
come.
7.
我们应当要求人们带食物来吗？
Should
we
______
people
to
______
food?
8.
如果我们要求人们带食物来时，他们将会只带薯条
和巧克力。
______
we
______
people
to
bring
food,
________
just
______
potato
chips
and
chocolate.
二、交流（合作探究）
Work
on
3a:
Fill
in
the
blanks
with
the
correct
forms
of
the
verbs
in
brackets
individually.
Ask
two
students
to
write
the
answers
on
the
blackboard
and
check
them
together.
(Answers:
know,
do,
think,
go,
will
be,
told,
have,
wear,
will
look,
go,
walk,
will
take,
take,
will
be)
再读短文，能回答以下问题。
1.What’s
the
matter
with
Tina?
2.What
do
Tina’s
parents
think
she
should
do
tomorrow
night?
3.What
will
Tina’s
parents
feel
if
Tina
goes
to
the
party?
4.What
did
Mike
tell
Tina
to
wear?
5.Will
Tina
go
to
the
party
by
taxi?
Why?
（我们都是好帮手）如果我是Su
Mei,
我会建议Tina…小组讨论如何帮助Tina,组长记录组员的建议，讨论好后举手汇报。（鼓励学生积极讨论回答）
Work
on
3b:
Complete
the
sentences
using
your
own
ideas.
Work
on
3c:
(Group
work)
我们是小作家，四人一组一起合作写一写，看谁的故事最精彩。
Write
a
story
with
your
group
on
a
piece
of
paper.
The
first
person
begins
the
story
with
“I
think
I
will…”
The
others
add
sentences
with
“if”.
Pass
the
paper
around
twice.
Then
read
the
story.
I
think
I
will
go
to
the
movies
tonight.
If
I
go
to
the
movies,
I
won’t
finish
my
homework.
If
I
don’t
finish
my
homework…
(the
teacher
will
be
angry.
If
the
teacher
gets
angry,
I
will
be
sorry...)
组内派代表读出故事，选出“最棒作家组”。
三、总结（引深探究）
一、if引导的条件状语从句
If是连词，表示假设或条件，意思是“
如果…的话”，通常表示假设，表示将会发生和可能发生的事，或进行提醒警告。
1.if条件状语从句的定义：if引导的从句在复合句中表示条件，作主句的条件状语，称为条件状语从句，表示假如从句的动作发生，主句的动作就(不)会发生。
2.if条件状语从句的位置：
if引导的条件状语从句既可以放在主句前，也可以放在主语后，若if从句在主句前，用逗号与主句隔开；若if从句在主句后，中间不用任何符号。
3.句子结构：If+从句main
clause，主句。=主句+if+从句
。
（从句谈论可能的活动，主句谈论可能的结果）
We
will
have
a
trip
if
it
is
sunny
tomorrow.
If
it
is
sunny
tomorrow,
we
will
have
a
trip.
4.If引导的条件状语从句的时态:
1)当主句用一般将来时时，if引导的条件状语从句用一般现在时。
(即主将从现)
If
he
_____
(get)
up
late,he_____
(be)
late
for
school.
如果你想聊天，打我电话。
If
it_____
(rain)
tomorrow，I
_________
(stay)
at
home.
如果明天下雨，我将呆在家里。
2)如果主句是祈使句，那么从句通常要用一般现在时the
simple
present
tense。
(即主祈从现)
If
you
_____
(want)
to
have
a
chat
,_____
(call)
me
up.
如果你想聊天，打我电话。
__________
(not
wait)
for
me
if
I
_____
(be)
late.
如果我迟到，就别等我。
3)如果主句是含有must，can，may
等情态动词时，根据需要从句多用一般现在时the
simple
present
tense。(即主情从现)
You
can
_____
the
exam
if
you
_____
(work)
hard.
如果你努力学习，你就能通过这次考试。
You
must
_____
if
the
traffic
light
____
(be)
red.
如果交通灯是红色，你必须停下来。
4)表示真实条件、客观真理、自然现象、定理定义、
民间谚语等，句型是：If
+
句子
（一般现在时
），+
主句
（
一般现在时）.(即主现从现)
如果温度低于零摄氏度,
水就会变成冰。
If
the
temperature____
below
zero,
water
____
(turn)
into
ice.
=Water
____(turn)
into
ice
if
the
temperature____below
zero.
总结：if
条件句不一般，几个要点记心间；
条件句，放在前，逗号要居中间；
条件句表可能，主句多用将来时；
条件句表事实，主句常用现在时。
注意：
1.if还可以用于宾语从句中，表示“是否”，相当于
whether，引导宾语从句，时态需根据语境确定。
如：I
don't
know
if
he
will
come
tomorrow.
If
he
comes，I
will
tell
you.我不知道他明天是否会来。如果他来，我就会告诉你。(前一个if表示“是否”，引导宾语从句；
后一个if表示“如果”，引导条件状语从句)
2.If条件句的同义句：
（1）借助“祈使句+and/or
+句子（一般将来时结构）”这一句型来转换。其中，在句意上and表示顺承；or表示转折，意为“否则”。即祈使句，and
/or+将来时态的陈述句。
Work
hard
,and
you
will
make
great
progress.（and
并且）
=If
you
work
hard,you
will
make
great
progress.
如果你努力学习，你才会取得大的进步。
Hurry
up,
or
you
will
be
late.（or
否则）
=If
you
don't
hurry
up.
you
will
be
late.
如果你不快点，你就要迟到了。
（2）借助without或with来转换条件状语从句。
If
there
is
no
water,
fish
will
die.=Fish
will
die
without
water.
【课时小结】
1.
本课我学会了什么？
___________________________________________________________
2.
通过本课的学习，我还有哪些疑问？
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八年级上册英语
Unit
10
If
you
go
to
the
party,
you’ll
have
a
great
time!
Section
A
Grammar
Focus-3c优质课件
--What/Who/How
will…?
--I
will
….
--…If
you
do,
…will…
.
--What
will…if
we…
?
--If
we
…,
…will…
.
-….
jeans?…
friends?…
bus?…
watch
a
video?…
Free
talk:
A:
There
is
going
to
be
a
class
party.
I
think
we
are
going
to
have
it
today
after
class.
B:
It’s
too
early
.
If
we
do,
half
of
the
students
won’t
come.
I
think
we
are
going
to
have
it
tomorrow
.
C:
……
D:
If
we
do,
…
E:
What
will
happen
if
we
ask
some
parents
to
the
party?
F:
If
we
do,
…
Make
a
conversation
We’re
going
to
have
a
party
next
month.
If
we
have
it
next
week,
half
of
the
students
won’t
come.
If
we
have
it
at
school,
…
Report
根据课本内容，完成下列句子。
1.
我想我将会乘公共汽车去参加聚会。
I
_____
I’ll
take
the
bus
to
the
______.
2.
如果你那样做，你将会迟到。
If
you
_____,
_____
be
late.
3.
我想我将待在家里。
I
_____
_____
stay
at
home.
4.
如果你那样做，你将会觉得很抱歉。
If
you
____,
______
____
sorry.
5.
如果他们今天聚会，将会发生什么事？
_____
___
_______
if
they
_____
the
party
today?
do
you’ll
think
party
think
I’ll
do
you’ll
be
What
will
happen
have
6.
如果他们今天聚会，班里一半的学生将不会去。
If
they
______
the
party
today,
______
the
class
_______
come.
7.
我们应当要求人们带食物来吗？
Should
we
______
people
to
______
food?
8.
如果我们要求人们带食物来时，他们将会只带薯条
和巧克力。
______
we
______
people
to
bring
food,
________
just
______
potato
chips
and
chocolate.
have
half
won’t
ask
bring
If
ask
they’ll
bring
I
think
I'll
take
the
bus
to
the
party.
If
you
do,
you'll
be
late.
I
think
I'll
stay
at
home.
If
you
do,
you'll
be
sorry.
What
will
happen
if
they
have
the
party
today？
If
they
have
it
today,
half
the
class
won't
come.
Should
we
ask
people
to
bring
food？
If
we
ask
people
to
bring
food,
they'll
just
bring
potato
chips
and
chocolate.
If
you
take
the
bus
to
the
party,
you’ll
be
late.
If
you
stay
at
home,
you’ll
be
sorry.
为避免重复,条件状语从句常用助动词do(does/did)来替代上文所提到的动作。
Grammar
Focus
If
you
do,
you’ll
be
late.
If
you
do,
you’ll
be
sorry.
If
they
have
it
today,
half
the
class
won’t
come.
If
we
ask
people
to
bring
food,
they’ll
just
bring
potato
chips
and
chocolate.
简单句
简单句
If
If
是连词，意思是如果；假若；倘若
通常表示假设，表示将会发生和可能发生的事，或进行提醒警告。
If
you
do,
you’ll
be
late.
If
you
do,
you’ll
be
sorry.
If
they
have
it
today,
half
the
class
won’t
come.
If
we
ask
people
to
bring
food,
they’ll
just
bring
potato
chips
and
chocolate.
从句
主句
如果……,
将会……
一般现在时
一般将来时
类别
构成
例句
简单句
The
Simple
Sentence
由一个主语（或并列主语）和一个谓语（或并列谓语）构成的句子。
I
get
up
at
six
in
the
morning.
My
mother
and
I
often
go
shopping.
Some
students
walk
or
ride
bikes
to
school.
复合句
The
Complex
Sentence
由一个主句和一个或多个从句构成的句子。
What
do
you
want
to
be
when
you
grow
up?
I
think
(that)
Screen
City
has
the
most
comfortable
seats.
语法重点
：一、句子的类型
语法重点
：二、if引导的条件状语从句
状语从句（Adverbial
Clause）
是指句子用作状语时，起副词作用的句子。
状语从句根据其作用可分为时间、地点、原因、条件、目的、结果等从句。
状语从句一般由连词(从属连词)引导，也可以由词组引起。
While
John
was
watching
TV,
his
wife
was
cooking.
（时间状语从句）当约翰看电视时，他的妻子正在做饭。
He
didn’t
attend
classes
yesterday
because
he
was
ill.
（原因状语从句）他病了，所以他昨天没有来上课。
He
got
up
so
early
that
he
caught
the
first
bus.
（目的状语从句）他很早起床以便赶上第一班公共汽车。
We’ll
start
our
project
if
the
president
agrees.
（条件状语从句）如果总统同意，我们将开始我们的项目。
if条件状语从句的定义：if引导的从句在复合句中表示条件，作主句的条件状语，称为条件状语从句，表示假如从句的动作发生，主句的动作就(不)会发生。
if条件状语从句的位置：
if引导的条件状语从句既可以放在主句前，也可以放在主语后，若if从句在主句前，用逗号与主句隔开；若if从句在主句后，中间不用任何符号。
句子结构：If+从句main
clause，主句。=主句+if+从句
。
（从句谈论可能的活动，主句谈论可能的结果）
It
will
be
sunny
tomorrow.
We
will
have
a
trip
tomorrow.
We
will
have
a
trip
if
it
is
sunny
tomorrow.
If
it
is
sunny
tomorrow,
we
will
have
a
trip.
主句在前从句紧跟其后
从句在前时，用“,”与主句隔开
If引导的条件状语从句的时态:
1.当主句用一般将来时时，if引导的条件状语从句用一般现在时。
(即主将从现)
注意：if引导的条件状语从句通常不用一般将来时。
If
he
_____
(get)
up
late,he_____
(be)
late
for
school.
如果你想聊天，打我电话。
If
it_____
(rain)
tomorrow，I
_________
(stay)
at
home.
如果明天下雨，我将呆在家里。
改同义句：
He
will
be
late
for
school
if
he
gets
up
late.
I'll
stay
at
home
if
it
rains
tomorrow.
gets
will
be
rains
will
stay
2.如果主句是祈使句，那么从句通常要用一般现在时the
simple
present
tense。
(即主祈从现)
If
you
_____
(want)
to
have
a
chat
,_____
(call)
me
up.
如果你想聊天，打我电话。
__________
(not
wait)
for
me
if
I
_____
(be)
late.
如果我迟到，就别等我。
改同义句：
want
call
Don't
wait
am
Call
me
up
if
you
want
to
have
a
chat.
If
I
am
late,don't
wait
for
me.
注意：if引导的条件状语从句通常不用一般将来时。
3.如果主句是含有must，can，may
等情态动词时，根据需要从句多用一般现在时the
simple
present
tense。(即主情从现)
You
can
_____
the
exam
if
you
_____
(work)
hard.
如果你努力学习，你就能通过这次考试。
You
must
_____
if
the
traffic
light
____
(be)
red.
如果交通灯是红色，你必须停下来。
改同义句：
pass
work
stop
is
If
you
work
hard,you
can
pass
the
exam.
If
the
traffic
light
is
red,you
must
stop.
注意：if引导的条件状语从句通常不用一般将来时。
4.表示真实条件、客观真理、自然现象、定理定义、
民间谚语等，句型是：If
+
句子
（一般现在时
），+
主句
（
一般现在时）.(即主现从现)
必然的结果
the
result
that
will
certainly
happen
如果温度低于零摄氏度,
水就会变成冰。
If
the
temperaturet____
below
zero,
water
____
(turn)
into
ice.
=Water
____(turn)
into
ice
if
the
temperature____below
zero.
is
turns
turns
is
if
条件句不一般，几个要点记心间；
条件句，放在前，逗号要居中间；
条件句表可能，主句多用将来时；
条件句表事实，主句常用现在时。
注意：
1.if还可以用于宾语从句中，表示“是否”，相当于
whether，引导宾语从句，时态需根据语境确定。
如：I
don't
know
if
he
will
come
tomorrow.
If
he
comes，I
will
tell
you.我不知道他明天是否会来。如果他来，我就会告诉你。(前一个if表示“是否”，引导宾语从句；
后一个if表示“如果”，引导条件状语从句)
2.If条件句的同义句：
（1）借助“祈使句+and/or
+句子（一般将来时结构）”这一句型来转换。其中，在句意上and表示顺承；or表示转折，意为“否则”。即祈使句，and
/or+将来时态的陈述句。
Work
hard
,and
you
will
make
great
progress.（and
并且）
=If
you
work
hard,you
will
make
great
progress.
如果你努力学习，你才会取得大的进步。
Hurry
up,
or
you
will
be
late.（or
否则）
=If
you
don't
hurry
up.
you
will
be
late.
如果你不快点，你就要迟到了。
（2）借助without或with来转换条件状语从句。
If
there
is
no
water,
fish
will
die.=Fish
will
die
without
water.
3a:Fill
in
the
blanks
with
the
correct
forms
of
the
verbs
in
brackets.
Dear
Su
Mei,
I
don’t
_______
(know)
what
to
______
(do)
about
going
to
Mike’s
birthday
party
tomorrow
night.
My
parents
_______
(think)
I
should
study
for
my
English
exam
next
week.
If
I
______
(go)
to
the
party,
they
________(be)
upset.
Mike
______
(tell)
us
to
wear
nice
clothes,
but
I
don’t
______(have)
any.
know
do
think
go
will
be
tells
have
upset
adj.难过；失望；沮丧
If
I
_______
(wear)
jeans,
I
________
(look)
the
worst.
Also,
I’m
not
sure
how
to
______
(go)
to
the
party.
If
I
_______(walk),
it
_________
(take)
me
too
long.
If
I
_______
(take)
the
taxi,
it
_______(be)
too
expensive.
Can
you
give
me
some
advice
please?
Tina
wear
will
look
go
walk
will
take
take
will
be
advice
n.劝告；建议
advice是不可数名词，不能说a
advice,
而是a
piece
of
advice，
“两个建议”，我们通常说two
pieces
of
advice.
注意：piece要采用复数，advice不可数，但piece可数。
我们也可以说为some
pieces
of
advice一些建议。
辨析：
accept与suggestion
advice
不可数名词。表示“一条建议”用
a
piece
of
advice。
I
asked
my
teacher
for
some
advice/
a
piece
of
advice.
suggestion
可数名词，复数形式为suggestions。
I
asked
my
teacher
for
some
suggestions/
a
suggestion.
与advice有关的一些词组：give
sb.
some
advice
给某人一些建议
ask
sb.
for
advice
征求某人的意见
take/follow
sb.'s
advice
听从某人的意见
1.If
I
get
up
late
tomorrow,_______________________.
2.If
I
don’t
finish
my
homework,_______________________.
3.If
I
don’t
get
enough
exercise,__________________.
4.I
will
not
have
enough
time
to
study
if
______________________________.
5.I
will
not
make
any
friends
if
_______________________.
I
will
miss
the
school
bus
my
teacher
will
be
angry
I
won’t
be
strong
I
play
computer
games
all
the
day
I
always
make
them
upset
3b：Complete
the
sentences
using
your
own
ideas.
3c:Write
a
story
with
your
group
on
a
piece
of
paper.
The
first
person
begins
the
story
with
“I
think
I
will...”
The
others
add
sentences
with
“if”.
Pass
the
paper
around
twice.
Then
read
the
story.
I
think
I
will
go
to
the
movies
tonight.
If
I
go
to
the
movies,
I
won't
finish
my
homework.
If
I
don't
finish
my
homework
...
It
is
called
“Chain
Reaction(连锁反应)”
or
“Butterfly
Effect（蝴蝶效应）”.
Fun
time
now!
Chain
story:
If
I
get
up
at
9:00
tomorrow,
I’ll
be
late.
If
I
am
late,
the
teacher
will
be
very
angry.
If
the
teacher
is
very
angry,
he
will
call
my
mother.
If
he
calls
my
mother,
she
will
cry.
If
she
cries,
I
will
be
sad.
If
I
am
sad,
I
will
eat
a
lot.
If
I
eat
a
lot,
I
will
be
very
fat.
If
I
am
very
fat,
I
won’t
be
handsome.
If…
If
you
can't
make
a
mistake,
you
can't
make
anything.
如果你连犯错都不会，那你什么也学不会。
Nothing
is
difficult
if
you
put
your
heart
into
it.
世上无难事，只怕有心人。
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