-
Section_
Ⅲ
Grammar
—
it
的用法
(1)
语法图解
探究发现
①
It
is a
beautiful day here and I am sitting under the big
tree at the end of the garden.
②
Your mother tells me that
you started smoking some time ago and now you are
finding
it
difficult to give
it
up.
③
It
is never too
late to mend.
④
It
is no use talking to them.
⑤
It
is said that
he stole the money.
⑥
I think
it
difficult to learn
English well.
⑦
We make
it
clear that speaking to
the teacher in that way is not polite.
⑧
I
don
'
t like
it
when people
talk with the mouth full of food.
[
我的发现
]
(1)
①句
it
表示天气，②句第一个
it
代替
to
_give_it_up
作形式宾语；第二个
it
代替句中
所说的“吸烟”的事。
< br>(2)
在句③④⑤中
it
用作形
式主语，
其中句③用在“
It is
＋
形容词＋
(for
/of
＋
sb.)
＋动词不
定式
(
短语
)”
中，
it
指代动词不定式
(
短语
)
；
句④用在
“It
is
＋
no use/
good
＋动名词
(
短语
)<
/p>
”中，
it
指代动名词
< br>(
短语
)
；句⑤用在“
It
is
＋
said
/believed/
reported
＋
that
从句”中，
it
指代
that
从句。
(3)
在句⑥⑦⑧中
it
用作形式宾语，其中句⑥用在“动词＋
it
＋形容词
＋动词不定式
(
短
语
< br>)
”中，
it
指代动词不定式<
/p>
(
短语
)
，句⑦
用在“动词＋
it
＋形容词＋
that
从句”中，指代
that
从句；句⑧<
/p>
it
用在某些特殊的句式中，指代
whe
n
从句。
一、
it
用作人称代词和非人称代词
1
．
用作人称代词
(1)it
用来指代前面的名词或前面提到过的事。
My friend offered me a
beautiful gift yesterday, and I like
it
very much.
我朋友昨天给了我一件漂亮的礼物，我非常喜欢。
(2)
指
代性别不明的
child
或
baby<
/p>
。
His sister has
given a birth to a baby recently and
it
is very
beautiful.
他姐姐最近生了个孩子，很漂亮。
(3)
指代未出场的身份不明确的人。
—
Who is waiting for you at
the bus stop?
—
I have no
idea.
It
may be my brother.
——
谁在车站等着你？
——
不知道，可能是我哥哥。
(4)
替代前文中的
this,
that
。
This is
your plan? Will you hand
it
in?
这是你的计划？你要交上去吗？
2
．
用作非人称代词
it
用作无人称的主语，不指物，而表示时间、天气、气候、季节、距离等
自然现象，或
指事物的状态。
It
is a fine day today,
isn
'
t it?
今天是个好天气，对吧？
It
is five
kilometers to the town from the village.
从农村到城镇有
10
里路。
It
'
s ten
o
'
clock.
十点钟了。
[
即时演练
1]
匹
配下面
it
的用法
A
．指代前面的名词
B
．指代性别不明的
child
或
baby
C
．指代未出场的身份不明确的人
D
．时间
E
．距离
①
—
Who
'
s
that at the door?
—
It
is
the milkman. __C__
②
Qingdao
is a beautiful city, isn
'
t
it
?
__A__
③
The baby
is crying.
It
might be
hungry. __B__
④
What a long
way
it
is from Beijing to
London! __E__
⑤
It
was nearly midnight when she came back.
__D__
二、
< br>it
用作形式主语
it
常代替由不定式、动词的
-
ing
形式或从句表示的真正主语，作形式主语，而将真正的
主语移至句子的后面
。
1<
/p>
．
代替不定式短语作形式主语
It
is impossible
to get there by boat
.
坐船不可能到那里。
It
'
s very kind of
you
to help me
.
你帮助我真好。
2
< br>．
代替动名词短语作形式主语
常用于以下结构中：
It
'
s no
use
/no good/
no
fun
/useless/
a waste of time
doing sth.
做某事没有用
/
没有好处
/
没有意思
/
没有用
/
浪费时间。
It is no use giving
him some
advice.
＝
It is useless
giving
him some advice.
给他提建议没用。
3
．
代替主语从句作形式主语
It is necessary that
the
work should be done well.
这项工作应该被完美完成是必须的。
It
'
s a pity
that
I
didn
'
t think of it earlier.
我没有早一点这么想真是遗憾。
4<
/p>
．
注意以下固定句型
It seems(ed)/appears(ed) that
...
It (so)
happened that ...
It turns(ed) out that ...
It occurred to sb. that ...
似乎……
碰巧……
结果是……
某人突然想起……
It is sa
id
/reported/
believed
< br>/hoped/
well-
known/suggest
ed ... that ...
据说
/
据报道
/
大家都相信
/
人人都希望
/
大家都知道
/
有人建议……
It so
happened that
the tickets
were sold out.
碰巧票都卖光了。
It occurred to her that
she
might adopt a homeless child.
她突然想到她可以收养一个无家可归的孩子。
It turns out that
the
situation is quite serious.
结果表明情况很严峻。
[
即时演练
2]
补全句子
①
(2015·
四川高考满分作文
)I badly need
to improve my oral English, so it_is_great
_for_me_to_find a native speaker to
learn from.
我急需提高我的英语口语，因此对我来说找到一个可以向他学
习的当地人真是太好了。
-
-
-
-
-
-
-
-
-
上一篇：冲刺必备高三英语翻译练习4
下一篇：综合英语(三 第二次作业(语法25题)