人教版高中英语选修8 Unit3 Inventors and inventions Noun-Clauses 课件（共17张PPT）

(共17张PPT)
It
is
great
that
I
have
a
friend
like
you.
=
That___________________
is
great.
What
makes
me
feel
great
is
that
____________________________
I
am
thinking
about
what
I
should
do.
I’ll
face
the
fact
that
my
girlfriend
will
come
this
afternoon.
主语从句
表语从句
同位语从句
宾语从句
I
have
a
friend
like
you
I
have
a
friend
like
you
例:老师清楚她为什么迟到了。
The
teacher
has
found
out
why
she
was
late.
介宾
例:对于他说的话，我感到很惊讶。
I
was
surprised
at
what
he
said.
介宾
例:我认为他们知道怎样做这个练习。
I
thought
that
they
knew
how
to
do
this
exercise
.
动宾
从句Clause
Appositive
Clause同位语从句
Object
Clause宾语从句
Predicative
Clause
表语从句
Subject
Clause主语从句
一
引导词
二
it作形式主语和形式宾语
三
语序
四
时态
五
主谓一致
六
名词性从句中的虚拟语气
七
否定前移
八
同位语从句和定语从句的区别
that:
只起连接作用，无意义，在从句中不当任何成分
既有连接作用，
又要在从句中作成成分
(可作主,宾,表语)
what:
一
考查引导词
1
that
与what
的区别
That
he
said
nothing
made
us
angry
.
What
he
said
made
us
angry.
We
are
worried
about
what
are
left
undone.
Shantou
is
no
long
what
it
used
to
be.
1)
The
companies
are
working
together
to
create
__
they
hope
will
be
the
best
means
of
transport
in
the
21st
century.
A
that
B
what
2)
One
advantage
of
playing
guitar
is
___
it
can
give
you
a
great
deal
of
pleasure.
A
that
B
what
从句不缺成分,用that
引导，无实意，起连接作用
2
whether
/
if
(是否）的区别
1）
Please
tell
me
__________you’ll
go
to
the
lectures
tomorrow.
if/whether
引导宾语从句，_______位于及物动词后。
两者均可
2）下列情况只能用whether
Whether
the
meeting
will
be
given
is
a
problem.
——当主语从句位于句首时，只用whether
The
problem
is
whether
the
meeting
will
be
given.
I
have
no
idea
whether
the
meeting
will
be
given.
——引导表从，同位语从句时
It
depends
on
whether
she
will
come.
——介词后只用whether;
I
don’t
know
whether
he
is
lying
or
not.
——“whether
…
or
not
“
I
didn’t
know
whether
to
laugh
or
to
cry.
——whether直接跟动词不定式连用
3
特殊疑问词
______
she
has
gone
is
not
known
yet.
____
he
became
a
great
scientist
is
known
to
all.
Where
How
The
reason
____he
didn’t
go
to
school
was
that
he
was
ill.
why
That’s
___he
didn’t
go
to
school.
why
名词性从句要用
语
序.
结构为“引导词+主语+谓语+其他
陈述句
三
语序
Can
you
make
sure
_____
the
gold
ring?
A
where
has
Alice
put
B
where
Alice
has
put
He
asked____for
a
violin.
A.
did
I
pay
how
much
B.
I
paid
how
much
C.
how
much
did
I
pay
D.
how
much
I
paid
2)主句的动词用一般现在时，从句谓语可以是任何时态
1.
He
said
that
he
will
join
in
our
discussion.
2.
Tom
says
that
Mary
____
(go)
abroad
last
year
and_________
(be)
there
for
nearly
5
months.
1）主句是一般过去时，从句用过去的某种时态
went
has
been
would
四
时态
When
the
meeting
will
begin
has
not
been
decided
yet
.
单个的主语从句作主语时，谓语动词一般用_____形式。
单数
When
they
will
start
and
where
they
will
go
have
not
been
decided
yet.
五
主谓一致
一
引导词
二
it作形式主语和形式宾语
三
语序
四
时态
五
主谓一致
六
名词性从句中的虚拟语气
七
否定前移
八
同位语从句和定语从句的区别
本节考点回顾
主谓一致问题
主语是名词性从句,
动词通常用单数。
What
I
am
most
interested
in
is
American
movies．
我最感兴趣的是美国电影。
What
you
said
yesterday
is
right.
你昨天说的是对的。
用
it
作形式主语，that引导的从句是句子的真正主语。
a.
It
+
be
+形容词+
that-从句
　It
is
necessary
that…　有必要……
　It
is
important
that…　重要的是……
　It
is
obvious
that…　　很明显……
主语从句常用it作形式主语放句首
b.
It
+
be
+
-ed
分词+
that-从句
　It
is
believed
that…
　人们相信……
　It
is
known
to
all
that…　
　众所周知……