中小学教育资源及组卷应用平台
(?http:?/??/?www.21cnjy.com?/??)
一．用所给词的正确形式填空。
1.
If
he
___________
(get)
a
low
mark
in
the
test,
he
___________
(study)
harder.
2.
If
you
___________
(swim)
every
day
this
summer,
you
___________
(be)
very
healthy.21cnjy.com
3.
If
he
___________
(not
hurry),
he
___________
(not
see)
the
beginning
of
the
match.21·cn·jy·com
4.
You
can't
go
out
unless
you
___________
(finish)
your
homework.
5.
Unless
I
save
my
(?http:?/??/?www.21cnjy.com?)money
carefully,
I
___________
(not
be)
able
to
buy
a
football.
6.
If
it
___________
(not
rain)
tomorrow,
we
___________
(go)
to
the
park.
7.
If
he
___________
(return)
to
the
school,
I
___________
(let)
you
know.
8.
If
you
_____________
(feel)
tired,
you
______________
(have)
to
have
a
rest.
9.
Where
__________
he
_________
(see)
the
film
if
he
______________
(have)
time?21·世纪
教育网
10.
If
there
_________
(be)
fewer
trees,
there
____________
(be)
more
pollution.
11.
He
_________
(dress)?more
casually
if
he____________
(not
work)
on
weekends.
12.
If
Marcia
(?http:?/??/?www.21cnjy.com?)_______
(live)
alone,
she
____________
(keep)
a
pet
parrot.
13.
Lana
__________
(buy)
a
new
dress
if
the
old
one
_________
(be)
out
of
style.
14.
The
twins
____________
(fight)
if
they__________
(argue).www-2-1-cnjy-com
15.
I
___________
(have)
a
bake
sale
if
I
_________
(need)
money
for
education.
16.
Peter
__
(?http:?/??/?www.21cnjy.com?)_______
(send)
me
a
beautiful
souvenir
if
he
__________
(tour)
Spain.
17.
If
Mr.
Green
____________
(say)
I
am
hard-
working,
my
parents
_________
(feel)
glad.21
cnjy
com
18.
I
___________
(go)
to
the
beach
if
it_____________
(not
rain)
this
week.
19.
_________they
(?http:?/??/?www.21cnjy.com?)
__________
(have)
a
match
if
the
P.E.
teacher
_________
(be)
busy?
20.
He
_________
(write)
a
letter
to
his
grandparents
if
he
_______
(get)
his
report
card
this
week.
21.
If
she
___________
(get)
up
late,
she
__________
(not
catch)
the
early
bus.
22.
Peter
_________
(major)
in
English
if
he
_________
(pass)
the
exams
in
Peking?University.
二．选择题
1.
If
you
_____
to
the
party,
you’ll
have
a
great
time.
A.
will
go?
B.
went?
C.
go??
D.
going
2.
What
will
father
_____
us
from
Japan?
A.
take??
B.
bring??
C.
carry??
D.
make
3.
If
you
_____
the
water,
it
_____
into
gas.
A.
boil,
turns
(?http:?/??/?www.21cnjy.com?)?
B.
boil,
will
turn?
C.
will
boil,
turn
D.
will
boil,
will
turn
4.
I
____
her
the
answer
if
she
____me.
A.
can
tell,
will
ask
(?http:?/??/?www.21cnjy.com?)?B.
will
tell,
will
ask?
C.
would
tell,
ask?
D.
will
tell,
asks
5.
–
What
are
you
going
to
do
tomorrow?
--We’ll
go
to
the
library
tomorrow
if
it
____.
A.
Isn’t
rain
B.
rain??
C.
won’t
rain?
D.
doesn’t
rain
6.—Do
you
know
when
he
will
come
back
tomorrow?
--Sorry,
I
don’t
know.
When
he
____
back,
I’ll
tell
you.
2·1·c·n·j·y
A.
comes?
B.
will
come??
C.
come??
D.
may
come
7.
What
will
you
do
if
you
_____
to
the
old
folk’s
home
visit?21教育名师原创作品
A.
go?
?
B.
went??
C.
going??
D.
will
go
8.
I’ll
give
the
book
to
him
if
he
___
here
next
Sunday.
A.
will
com
B.
comes??
C.
is
coming???
D.
came
9.
There
____an
English
film
in
our
school
tomorrow.
A.
is
going
to
have?
B.
will
have?
C.
is
going
to
be?
D.
has
10.
When
my
mother
returned
last
night,
I
____?a
book.
A.
read
B.
am
reading??
C.
was
reading?
D.
am
going
to
read
11.
I
won’
leave
here
until
he____?back.
A.
come
B.
comes
C.
will
come
D.
came
12.
I’ll
wake
you
up
when
he
____back.
A.
will??
B.
is
going
to
come??
C.
comes
D.
come
13.
She
will
come
to
help
us
if
she
____too
busy
tomorrow.
A.
is
B.
isn’t
C.
will
be
D.
won’t
be
14.
If
I
find
his
phone
number,
I
____you.
A.
tell
B.
told
C.
will
tell
D.
have
told
15.
____?you
don’t
go
to
bed
earlier,
you
will
feel
tired
tomorrow.
A.
Unless
B.
If
C.
Though
D.
Until
16.—It’s
raining,
Daisy.
Please
________
an
umbrella
with
you.21教育网
--
Thanks.
I’ll
return
it
to
you
when
I
____next
week.
A.
take;
come
B.
take;
will
come
C.
bring;
come
D.
bring;
will
come
17.
I’ll
go
for
a
walk
with
you
if
it
________
tomorrow.
A.
won’t
rain
B.
doesn’t
rain
C.
will
rain
D.
not
rains
18.
She
________
as
an
animal
trainer
since
2003.
A．has
worked
B.
works
C.
will
work
D.
have
worked
19.
They
________her
to
the
party,
so
she
was
very
happy.
A.
invite
B.
invited
C.
will
invite
D.
are
inviting
20.
Mr.
Green
________to
the
manager
now.
You’d
better
call
him
later.
A.
talk
B.
talked
C.
is
talking
D.
was
talking
21.
If
you________
carefully,
you
________
the
report
well.【版权所有：21教育】
A.
will
listen
;
will
be
understood
B.
will
listen
;
understand
C.
listen;
will
understand
D.
listen
;
understand
22.
We’ll
go
swimming
if
the
weather
____fine
tomorrow.
A.
is
B.
was
C.
will
be
D.is
going
to
be
23.
Please
don’t
leave
the
office
until
your
friend
____back.
A.
came
B.
comes
C.
have
come
D.
will
come
24.
Listen!
Someone
____in
the
next
room
.
A.
cried
B.
crying
C.
is
crying
D.
has
cried
25.
You
must
tell
him
the
news
as
soon
as
you
____him.
A.
see
B.
sees
C.
will
see
D.
is
seeing
26.
The
art
(?http:?/??/?www.21cnjy.com?)club
is
for
members
only.
You
can’t
go
in
____
you
are
a
member.
A.
unless
B.
because
C.
if
D.
though
27.
I’m
waiting
for
my
friend.
____,
I’ll
go
shopping
alone.
A.
If
she
comes
(?http:?/??/?www.21cnjy.com?)B.
If
she
will
come
C.
If
she
doesn’t
come
D.
If
she
didn’t
come【出处：21教育名师】
28.
You
must
study
hard
if
you______
want
to
fail
the
exam.
A.
won’t
B.
don’t
C.
haven’t
D.
hadn't
29.
We
will
start
as
soon
as
our
teacher______.
A.
comes
B.
will
come
C.
come
D.
is
coming
30.
I
will
go
home
for
the
holiday
as
soon
as
I______
my
exams.
A.
will
finish
B.
finish
C.
finishing
D.
finished
三．
翻译下列句子。
1.
如果你作业做完了就可以回家了。
If
you
_____________
____________your
homework,
you
can
go
home．
2.长大后我想成为一名教师。
I
will
be
a
____________when
I
____________
______________.
3.
如果明天不下雨的话，我们将参观公园。
We
will
visit
the
park
_____________
it
_______________
tomorrow.
4.
如果他回来了，请告诉我一声。
Please
__________
me
if
he
____________
_____________.
21
cnjy
com
5.
如果你累了，就好好休息一会儿吧。
Have
a
good
rest
__________you
are
__________
6.如果他到的晚了会发生什么事情？
What
____________
_____________if
he
_____________
late?
7.
如果努力学习，你就会取得好成绩。
If
you_________
________,
you
_________
________
good
___________.
8.
他如果看电视太久了，他的父母会不高兴。
?If
he
_________
TV
too
much,
his
parents
_____________
_________unhappy.
9.
如果我们为他组织生日聚会，大家都会来的。
Everyone
_________?__________t
if
we
___________a
birthday
party
____________
him.21世纪教育网版权所有
10.
如果明天不下雨，我会和你一起去公园的。
If
it
_________?__________tomorrow,
I
_________
go
to
the
park
__________you.
11.
如果她睡着了，旅程就会迟到的。
?She
_________?__________
_________?__________the
trip
if
she
_________?__________.www.21-cn-jy.com
12.
如果他有空，他会帮助你的。
If
he
_________
_________,
he
__________
_________
you.【来源：21·世纪·教育·网】
13.
如果Tom考试不及格，他就没有机会上高中了。
Tom
__________have
t
(?http:?/??/?www.21cnjy.com?)he
_________to
go
to
the
high
school
if
he
____________the
exams.2-1-c-n-j-y
14.
你如果抄同学的作业就不能学好各门功课。
You
_______
________
good
at
all
the
subjects
if
you
__________
the
other
students’
homework.【来源：21cnj
y.co
m】
(?http:?/??/?www.21cnjy.com?/??)
由引导词
引导的状语从句叫做条件状语从句。
一．if引导的条件状语从句
（1）主现从现
构成：
用法：讲述自然规律，肯定会发生的事情或客观事实。
（2）主将从现、主祈从现、主情从现
构成：
用法：谈论将来可能会发生的情况。
【注】
if引导的条件状语从句，有时还可由
等引导的时间状语从句来替换。
二．unless引导的条件状语从句
连词unless意为
，多引导一个否定意义的真实条件句，有时也可引导非真实条件句。
unless在意义上相当于
，因此在有些场合中unless与if...not可换用。
学生易错点整理：
——————————————
(?http:?/??/?www.21cnjy.com?)———————————————————————————————————————————————————————————————————————————————————————————————————————————————————————————————————————————————————————————
Unit7
Grammar：
条件状语从句
21世纪教育网
www.21cnjy.com
精品试卷·第
2
页
（共
2
页）
HYPERLINK
"http://21世纪教育网(www.21cnjy.com)
"
21世纪教育网(www.21cnjy.com)中小学教育资源及组卷应用平台
(?http:?/??/?www.21cnjy.com?/??)
1.
学习条件状语从句的用法及引导词。
2.
掌握if
和unless用法。
(?http:?/??/?www.21cnjy.com?/??)
If
you
have
a
lot
of
money,
what
will
you
do?
(?http:?/??/?www.21cnjy.com?/??)
由引导词if或unless引导的状
(?http:?/??/?www.21cnjy.com?)语从句叫做条件状语从句。在英文中，条件是指某一件事情实现之后（状语从句中的动作），其它事情（主句中的动作）才能发生，通常译作“假如”。从句的位置可在主句之前或之后（从句在前，一般需要用逗号与主句分隔）。www.21-cn-jy.com
(?http:?/??/?www.21cnjy.com?/??)
一．if引导的条件状语从句
条件状语从句最常用的引导词是if（连词）。
（1）主现从现
构成：主句（一般现在时态）+
if
从句（一般现在时态）
用法：讲述自然规律，肯定会发生的事情或客观事实。
如：If
you
take
a
fish
out
of
water,
it
dies.如果把鱼从水中拿出，它会死。
If
you
put
a
piece
o
(?http:?/??/?www.21cnjy.com?)f
paper
into
water,
it
gets
wet.
如果你把一张纸放进水中，它会变湿。21教育网
（2）主将从现、主祈从现、主情从现
构成：主句（一般将来时态、祈使句、情态动词）+
if
从句（一般现在时态）
用法：谈论将来可能会发生的情况。
如：①I’ll
buy
a
car
if
I
have
enough
money.
如果我有足够的钱，
我会买一辆车。
②Be
careful
when
you
cross
the
road.
过马路时要小心。
③If
I
get
there
(?http:?/??/?www.21cnjy.com?)early,
I
can
see
the
doctor
quickly.
如果我早早地到那里，
我就可以快点看病。www-2-1-cnjy-com
【注】
if引导的条件状语从句，有时还可由
w
(?http:?/??/?www.21cnjy.com?)hen，as
soon
as（一…就…），（not）…until
（直到…才）等引导的时间状语从句来替换。21
cnjy
com
I
will
go
hom
(?http:?/??/?www.21cnjy.com?)e
as
soon
as
it
stops
raining.
=I
will
go
home
if
it
stops
raining.
雨一停我就回家。
The
traffic
must
st
(?http:?/??/?www.21cnjy.com?)op
when
the
lights
are
red.
=
The
traffic
must
stop
if
the
lights
are
red.
当红灯亮时，交通必须停止。【版权所有：21教育】
【即学即练】
翻译下列句子。
1.
如果你加热冰块，它会变成水。
If
you
heat
ice,
it
water.
2.
如果明天下大雨，他们不会外出。
They
won’t
go
out
if
tomorrow.
3.
如果你们有问题要问的话，请举手。
if
you
have
any
questions
to
ask.21·cn·jy·com
4.
如果你努力学习，你会取得好成绩。
You
if
you
study
hard.
5.
请不要离开直到你朋友回来。
Please
don’t
leave
the
office
if
your
friend
.
二．unless引导的条件状语从句
连词unless意为“除非…
(?http:?/??/?www.21cnjy.com?)…，如果不……”，多引导一个否定意义的真实条件句，有时也可引导非真实条件句。unless引导条件句时，主要用于下列情况：
（1）主句为肯定句。
如：You
will
miss
the
bus
unless
you
hurry
up．你要不快点就会错过班车。
You’ll
fail
in
che
(?http:?/??/?www.21cnjy.com?)mistry
again
unless
you
work
harder．如果你不再加把劲，你化学考试还会不及格。2-1-c-n-j-y
（2）主句为否定句。
如：Unless
I
visit
ev
(?http:?/??/?www.21cnjy.com?)ery
bookstore
in
town，I
shall
not
know
whether
I
can
get
what
I
want．如果我不到城里每一家书店去看看，我就不知道是否能买到我想要的
书。
Unless
you
oil
the
m
(?http:?/??/?www.21cnjy.com?)otor
regularly，it
won’t
run
smoothly．要不是你经常给发动机上油，它就不会转得那么顺畅。
You
will
never
get
(?http:?/??/?www.21cnjy.com?)
anywhere
unless
you
have
set
your
goal．如果你不设定目标，你哪儿也去不了。
【拓展】
unless在意义上相当于if...not，因此在有些场合中unless与if...not可换用。
Unless
I
am
mistaken,
I’ve
seen
that
man
before．=
If
I
am
not
mistaken,
I’ve
seen
that
man
before．如果我没搞错，我以前见过那个人。
【即学即练】
句型转换。
我们出去散步吧，除非你太累了。
Let’s
go
out
for
a
walk
unless
tired.
=Let’s
go
out
for
a
walk
if
you
tied.
=
you
are
too
tired,
let’s
go
out
for
a
walk.
=
you
are
not
too
tied,
let's
go
out
for
a
walk.
综合练习
一．同义句转换。
1．You
must
be
quick．If
not,
you’ll
miss
the
early
bus．
___________
quick，___________
you’ll
miss
the
early
bus．
2．Jim’s
mother
let
him
watch
TV
after
he
finished
his
homework．
Jim’s
mother
___________
let
him
watch
TV
until
he
finished
his
homework．
3．If
you
don’t
help
me，I
can’t
finish
my
work
on
time．
___________
___________
help，I
can’t
finish
my
work
on
time．
4．If
you
play
basketball
here，you
may
break
the
windows．
___________
play
basketball
here，____________
you
may
break
the
windows．
5．Don’t
watch
TV
if
you
don’t
finish
your
homework．
___________
watch
TV
____________
you
finish
your
homework．
二．用if或unless填空
1.
_________
he
wants
to
see
me,
you
can
tell
him
to
wait.21·世纪
教育网
2.
_________
it
snows
tomorrow,
we'll
have
a
day
or
two
off.
3.
We
won’t
go
to
his
party
_________
he
invites
us.
4.
She
is
sure
to
pass
the
examination
_________
she
is
ill.
5.
I'll
take
that
computer
_________
I
have
enough
money.
6.
_________
my
grandma
wears
glasses,
she
can
see
better.
7.
I
won't
buy
that
backpack
_________
it
costs
less
than
￥20.
8.
_________
I'm
tired,
I'll
have
a
rest
for
tea.
(?http:?/??/?www.21cnjy.com?/??)
一．用所给词的正确形式填空。
1.
If
he
___________
(get)
a
low
mark
in
the
test,
he
___________
(study)
harder.
2.
If
you
___________
(swim)
every
day
this
summer,
you
___________
(be)
very
healthy.
3.
If
he
___________
(not
hurry),
he
___________
(not
see)
the
beginning
of
the
match.
4.
You
can't
go
out
unless
you
___________
(finish)
your
homework.
5.
Unless
I
(?http:?/??/?www.21cnjy.com?)save
my
money
carefully,
I
___________
(not
be)
able
to
buy
a
football.
6.
If
it
___________
(not
rain)
tomorrow,
we
___________
(go)
to
the
park.
7.
If
he
___________
(return)
to
the
school,
I
___________
(let)
you
know.
8.
If
you
__
(?http:?/??/?www.21cnjy.com?)___________
(feel)
tired,
you
______________
(have)
to
have
a
rest.
9.
Where
__________
he
_________
(see)
the
film
if
he
______________
(have)
time?
10.
If
there
_
(?http:?/??/?www.21cnjy.com?)________
(be)
fewer
trees,
there
____________
(be)
more
pollution.
11.
He
_________
(dress)?more
casually
if
he____________
(not
work)
on
weekends.
12.
If
Marcia
_______
(live)
alone,
she
____________
(keep)
a
pet
parrot.
13.
Lana
__________
(buy)
a
new
dress
if
the
old
one
_________
(be)
out
of
style.
14.
The
twins
____________
(fight)
if
they__________
(argue).
15.
I
___________
(have)
a
bake
sale
if
I
_________
(need)
money
for
education.
16.
Peter
_________
(send)
me
a
beautiful
souvenir
if
he
__________
(tour)
Spain.
17.
If
Mr.
G
(?http:?/??/?www.21cnjy.com?)reen
____________
(say)
I
am
hard-
working,
my
parents
_________
(feel)
glad.
18.
I
___________
(go)
to
the
beach
if
it_____________
(not
rain)
this
week.
19.
_________they
__________
(have)
a
match
if
the
P.E.
teacher
_________
(be)
busy?
20.
He
_________
(write)
a
letter
to
his
grandparents
if
he
_______
(get)
his
report
card
this
week.
21.
If
she
___________
(get)
up
late,
she
__________
(not
catch)
the
early
bus.
22.
Peter
_________
(major)
in
English
if
he
_________
(pass)
the
exams
in
Peking?University.
二．选择题
1.
If
you
_____
to
the
party,
you’ll
have
a
great
time.21世纪教育网版权所有
A.
will
go?
B.
went?
C.
go??
D.
going
2.
What
will
father
_____
us
from
Japan?
A.
take??
B.
bring??
C.
carry??
D.
make
3.
If
you
_____
the
water,
it
_____
into
gas.
A.
boil,
turn
(?http:?/??/?www.21cnjy.com?)s
?
B.
boil,
will
turn?
C.
will
boil,
turn
D.
will
boil,
will
turn
4.
I
____
her
the
answer
if
she
____me.
A.
can
tell,
will
(?http:?/??/?www.21cnjy.com?)
ask?B.
will
tell,
will
ask?
C.
would
tell,
ask?
D.
will
tell,
asks
5.
–
What
are
you
going
to
do
tomorrow?
--We’ll
go
to
the
library
tomorrow
if
it
____.
A.
Isn’t
rain
B.
rain??
C.
won’t
rain?
D.
doesn’t
rain
6.—Do
you
know
when
he
will
come
back
tomorrow?
--Sorry,
I
don’t
know.
When
he
____
back,
I’ll
tell
you.
A.
comes?
B.
will
come??
C.
come??
D.
may
come
7.
What
will
you
do
if
you
_____
to
the
old
folk’s
home
visit?
A.
go?
?
B.
went??
C.
going??
D.
will
go
8.
I’ll
give
the
book
to
him
if
he
___
here
next
Sunday.
A.
will
com
B.
comes??
C.
is
coming???
D.
came
9.
There
____an
English
film
in
our
school
tomorrow.
A.
is
going
to
have?
B.
will
have?
C.
is
going
to
be?
D.
has
10.
When
my
mother
returned
last
night,
I
____?a
book.
A.
read
B.
am
reading??
C.
was
reading?
D.
am
going
to
read
11.
I
won’
leave
here
until
he____?back.
A.
come
B.
comes
C.
will
come
D.
came
12.
I’ll
wake
you
up
when
he
____back.
A.
will??
B.
is
going
to
come??
C.
comes
D.
come
13.
She
will
come
to
help
us
if
she
____too
busy
tomorrow.2·1·c·n·j·y
A.
is
B.
isn’t
C.
will
be
D.
won’t
be
14.
If
I
find
his
phone
number,
I
____you.
A.
tell
B.
told
C.
will
tell
D.
have
told
15.
____?you
don’t
go
to
bed
earlier,
you
will
feel
tired
tomorrow.
A.
Unless
B.
If
C.
Though
D.
Until
16.—It’s
raining,
Daisy.
Please
________
an
umbrella
with
you.
--
Thanks.
I’ll
return
it
to
you
when
I
____next
week.21cnjy.com
A.
take;
come
B.
take;
will
come
C.
bring;
come
D.
bring;
will
come
17.
I’ll
go
for
a
walk
with
you
if
it
________
tomorrow.
A.
won’t
rain
B.
doesn’t
rain
C.
will
rain
D.
not
rains
18.
She
________
as
an
animal
trainer
since
2003.
A．has
worked
B.
works
C.
will
work
D.
have
worked
19.
They
________her
to
the
party,
so
she
was
very
happy.【来源：21cnj
y.co
m】
A.
invite
B.
invited
C.
will
invite
D.
are
inviting
20.
Mr.
Green
_
(?http:?/??/?www.21cnjy.com?)_______to
the
manager
now.
You’d
better
call
him
later.
A.
talk
B.
talked
C.
is
talking
D.
was
talking
21.
If
you________
carefully,
you
________
the
report
well.21
cnjy
com
A.
will
listen
;
will
be
understood
B.
will
listen
;
understand
C.
listen;
will
understand
D.
listen
;
understand
22.
We’ll
go
swimming
if
the
weather
____fine
tomorrow.
A.
is
B.
was
C.
will
be
D.is
going
to
be
23.
Please
don’t
leave
the
office
until
your
friend
____back.
A.
came
B.
comes
C.
have
come
D.
will
come
24.
Listen!
Someone
____in
the
next
room
.
A.
cried
B.
crying
C.
is
crying
D.
has
cried
25.
You
must
tell
him
the
news
as
soon
as
you
____him.
A.
see
B.
sees
C.
will
see
D.
is
seeing
26.
The
art
cl
(?http:?/??/?www.21cnjy.com?)ub
is
for
members
only.
You
can’t
go
in
____
you
are
a
member.
A.
unless
B.
because
C.
if
D.
though
27.
I’m
waiting
for
my
friend.
____,
I’ll
go
shopping
alone.
A.
If
she
comes
(?http:?/??/?www.21cnjy.com?)
B.
If
she
will
come
C.
If
she
doesn’t
come
D.
If
she
didn’t
come【来源：21·世纪·教育·网】
28.
You
must
study
hard
if
you______
want
to
fail
the
exam.
A.
won’t
B.
don’t
C.
haven’t
D.
hadn't
29.
We
will
start
as
soon
as
our
teacher______.
A.
comes
B.
will
come
C.
come
D.
is
coming
30.
I
will
go
home
for
the
holiday
as
soon
as
I______
my
exams.
A.
will
finish
B.
finish
C.
finishing
D.
finished
三．
翻译下列句子。
1.
如果你作业做完了就可以回家了。
If
you
_____________
____________your
homework,
you
can
go
home．
2.长大后我想成为一名教师。
I
will
be
a
____________when
I
____________
______________.
3.
如果明天不下雨的话，我们将参观公园。
We
will
visit
the
park
_____________
it
_______________
tomorrow.
4.
如果他回来了，请告诉我一声。
Please
__________
me
if
he
____________
_____________.
5.
如果你累了，就好好休息一会儿吧。
Have
a
good
rest
__________you
are
__________
6.如果他到的晚了会发生什么事情？
What
____________
_____________if
he
_____________
late?
7.
如果努力学习，你就会取得好成绩。
If
you_________
________,
you
_________
________
good
___________.
8.
他如果看电视太久了，他的父母会不高兴。
?If
he
_________
TV
too
much,
his
parents
_____________
_________unhappy.
9.
如果我们为他组织生日聚会，大家都会来的。
Everyone
_________?__________t
if
we
___________a
birthday
party
____________
him.21教育名师原创作品
10.
如果明天不下雨，我会和你一起去公园的。
If
it
_________?__________tomorrow,
I
_________
go
to
the
park
__________you.
11.
如果她睡着了，旅程就会迟到的。
?She
_________?__________
_________?__________the
trip
if
she
_________?__________.
12.
如果他有空，他会帮助你的。
If
he
_________
_________,
he
__________
_________
you.
13.
如果Tom考试不及格，他就没有机会上高中了。
Tom
__________have
the
_________to
go
to
the
high
school
if
he
____________the
exams.【出处：21教育名师】
14.
你如果抄同学的作业就不能学好各门功课。
You
_______
________
good
at
all
the
subjects
if
you
__________
the
other
students’
homework.
(?http:?/??/?www.21cnjy.com?/??)
由引导词
引导的状语从句叫做条件状语从句。
一．if引导的条件状语从句
（1）主现从现
构成：
用法：讲述自然规律，肯定会发生的事情或客观事实。
（2）主将从现、主祈从现、主情从现
构成：
用法：谈论将来可能会发生的情况。
【注】
if引导的条件状语从句，有时还可由
等引导的时间状语从句来替换。
二．unless引导的条件状语从句
连词unless意为
，多引导一个否定意义的真实条件句，有时也可引导非真实条件句。
unless在意义上相当于
，因此在有些场合中unless与if...not可换用。
学生易错点整理：
——————————————————————
(?http:?/??/?www.21cnjy.com?)———————————————————————————————————————————————————————————————————————————————————————————————————————————————————————————————————————————————————
Unit7
Grammar：
条件状语从句
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