Unit 2 Colour Grammar II--if whether 引导的宾语从句 课件(共18张PPT)

(共18张PPT)
宾语从句
A.连接词
that
C.时态
当主句为
一般过去时
当主句为
一般现在时
B.语序
陈述语序
当从句为…
Is
it
more
interesting
than
the
first
season?
Miss
Chen
wonders
____________
it
is
more
interesting
than
the
first
season.
if
/
whether
Can
we
feel
the
love
of
family?
Miss
Chen
wants
to
know
__________
we
can
feel
the
love
of
family.
if
/
whether
Do
we
have
time
to
watch
it
now?
Students
wonders
__________
they
have
time
to
watch
it
now.
if
/
whether
Is
it
more
interesting
than
the
first
season?
Do
we
have
time
to
watch
the
program
now?
Can
we
feel
the
love
of
family?
S+V+
if
/
whether
+a
statement.
Object
clauses
introduced
by
if
or
whether
Miss
Chen
wonders
if/whether
it
is
more
interesting
than
the
1st
season.
if/whether
they
have
time
to
watch
it
now.
if/whether
we
can
feel
the
love
of
family.
1.
Do
you
feel
stressed
at
school?
Can
you
tell
me
_________________________________?
2.
Are
your
parents
strict
with
you?
I
wonder
_____________________________________.
3.
Will
we
have
homework
today?Are
you
certain
____________________________________?
4.
Did
you
do
your
homework?
Can
you
tell
me
_____________________________________?
5.
Have
we
passed
the
exam?
Do
you
know
______________________________________?
if
/
whether
you
feel
stressed
at
school
if/whether
your
parents
are
strict
with
you
if/whether
we
will
have
homework
today
if/whether
you
did
your
homework
if/whether
we
have
passed
the
exam
Thinking
:
一般疑问句做宾语
我问他是否想去游泳
1.改为陈述句语气
2.
用if/whether连接
I
ask
Does
he
want
to
go
swimming?
he
wants
to
go
swimming
if
/
whether
I
ask
Is
it
easy
to
understand
the
grammar?
(
I
want
to
know
)
I
want
to
know
if/whether
It
is
easy
to
understand
the
grammar.
it
is
easy
to
understand
the
grammar.
Exploration:
Work
out
the
rule
从上面两个例子我们可以得出：
宾语从句还可以用
____or
_________等连接；
中文:_______;说明对陈述的事物不明确或不清楚;
常用在know,
wonder,sure,ask后,
其后用___________.
if
whether
“是否”
陈述句语序
练一练
1.Is
he
reading
?
2.Do
you
get
up
at
six?
3.Does
Tom
work
hard?
4.Did
you
watch
TV
?
5.Will
they
read
books
?
6.Can
she
sing
?
用以下开头与下列句子连成宾语从句:
1.
Do
you
know
…
2.I
want
to
know
…
3.The
teacher
asks
…
if
/
whether
I
am
interested
in
whether
he’ll
go
to
have
a
picnic.
Whether
this
is
true
or
not,
I
am
not
sure.
We
didn’t
know
whether
or
not
she
has
come.
He
can't
decide
whether
to
go
to
Canda.
We
discussed
whether
we
would
have
a
sports
meeting.
作介词的宾语时，用whether
不用if
从句可以移到主句之前的，用whether
引导而不用if
后面紧接or
not，只用whether.
在动词不定式前，只能用whether.
用在动词discuss后面的宾语从句中
if
与whether
的区别
I
don’t
know
_________
he
will
come
or
not.
I
am
not
sure
____________
he
is
handsome.
He
will
go
climbing
____
it
doesn’t
rain
tomorrow.
I
don’t
know
if
ZhangJie__________(
come)
to
our
school
next
week.
I
don't
know
____
Mr.
Wang
will
go
on
a
trip.
____
he
goes
on
a
field
trip
tomorrow,
please
call
me.
与or
not
连用只能用whether
if
意思为“如果”
whether
if
/
whether
if
will
come
if
意思为“是否”
if
If
if
意思为“如果”
Help
sandy
choose
the
best
answer.
I
haven’t
decide
______
I
will
go
out
or
stay
at
home.
A.
if
B.
when
C.
why
D.
whether
I
want
to
know
________
you
love
English.
A.
that
B.
what
C.
if
D.
who
3.I
wonder
______
our
teacher
will
come
to
my
birthday
party.
A.
whether
B.
why
C.
where
D.
that
4.
I’d
like
to
know________
or
not.
A.
whether
will
he
come
B.
whether
he
will
come
C.
if
will
he
comes
D.
if
he
will
comes
5.
Everyone
knows
_______humans
need
water,
food
and
air
to
survive.
A.
if
B.
what
C.
whether
D.
that
由从属连词whether,
if
引导的宾语从句
e.g.
1.
I
want
to
know
__________________________________.
(他是否跟我们一起去公园)
2.
Ask
him
________________________.
（他是否能来）
3.
I
don’t
know
___________________________.
（是否要下雨）
if
(whether)
he
will
go
to
the
park
with
us
whether
(if)
he
can
come
whether
it
is
going
to
rain
or
not
2.
宾语从句中要用________
语序.
Conclusion:
注意：1.
whether和if意思为“是否”
，一般情况下两者可以换用，但与__________
连用，只能用
whether。
2.if是“如果”的意思时，主句(___________)
+if+从句
(____________).
if
表示“是否”，一般使用________________.
1.
一般疑问句我们要用___或
___________来引导
if
陈述句
whether
or或or
not
一般将来时
一般现在时
3.
宾语从句中要注意时态的变化.
一般将来时
if/whether
she
should
choose
the
red
dress
Problems
about
shopping
if/whether
white
clothes
suit
her
if/whether
the
sports
bag
is
made
of
cotton
if/whether
the
green
T-shirt
matches
his
trousers.
if/whether
he
should
stay
at
home
instead
of
going
shopping
with
his
classmates.
stay
at
home
instead
of
going
shopping
with
my
classmates?
Remember
how
to
use
object
clauses
introduced
by
’if’
or
‘whether’.
Finish
the
relevant
exercises.
Preview
Integrated
skills.