-
it
的用法总结和练习
①
It is never too old to
learn.
活到老，学到老。
②
It is easier said than
done.
说起来容易做起来难。
③
It is no use crying over
spilt milk.
覆水难收。
④
It never rains but it
pours.
不鸣则已一鸣惊人。
一、
it
的常用固定词组
make it/ manage it
成功
got
it
明白
take it
忍受
keep it up
继续干
put it
表达
go for it
努力争取
take it easy
放轻松
come off it
别吹牛了
Don
’
t mention
it.
不用谢；别提了
Forget
it.
没关系；算了
二、
it
做代词的用法
has
failed in the exam. Have you heard about
it?
代替前文
提到的东西或事情。
bought a new house, but it needed lots
of work before
he moved in.
代替同名同物。
room is
this? It is theirs.
代替指示代词
thi
s,that
的作用。
’
s go to see who
it is.
指明某人某事的身份或不知男女用
it
。
’
s Sunday today.<
/p>
（
date
）
It is very cold today.
（
weather
）
It is about 8:30 now.
（
time
）
It
’
s 5 yuan.
（
value
）
It lies in the south of Shaoguan city.
（
place
）
It is 5 kilometers from A to B.
（
distance
）
三、
it
做形式主语的用法
1.
It+ be+ adj+
of/for+ sb +to do sth
（
用
of
的形容词
bad
/ brave /
careless / clever / cruel /
foolish / good
（好心的）
/ honest / horrible /
kind /
lazy / modest / naughty /
nice
（有教养的）
/
polite / rude / silly /
stupid / wise /
wrong
（错误的）
）
2.
It+ be+ adj +that/whether
+
从句
（
true /easy /hard /necessary
/curious / obvious /likely /possible
/probable /good /wonderful /natural
/certain / natural / strange / normal /
unusual/ impossible / pleasant /
important
）
3.
It+ be+
pp
（
said /reported /believed
/supposed/ expected /proved /
hoped /
thought / known / decided / advised / ordered /
demanded
）
+
that+
从句
is/was a pity
that
…
it is/was no wonder that
…
it
is/was a shame that
…
it is/was no surprise that
…
it
is/was an honor that
…
it is/was a good thing that
…
it
is/was a fact that
…
5. It seems/seemed that/as if
…
It
happens/happened that/as if
…
It appears/appeared that/as if
…
hits/hit sb
that
…
It strikes/ struck sb that
…
It occurs to sb that
…
It occurred to
sb that
…
is/was
no use doing sth
It is/was no good doing sth
It is/was
useless doing sth
四、
it
作形式宾语的用法
+
动词
+ it +if/ when
引导的宾语从句
（
like / dislike / hate
/ enjoy / love /
appreciate
）
2.
6123
结构
think /
make / find / consider / feel/ believe
3.I
take it
that
you will be leaving for Shanghai
soon.
认为
The
rumor
has
it
that
the
mayor
will
resign
to
take
the
responsibility for the crisis.
据传
You can
count on it
that he will
arrive on time.
期待
She
will
see to it
that he goes
ahead.
确保
You can
depend
on it
that the result will be
announced.
五、常用句式。
1.
强调句型
基本结构
It is/was +
被强调部分
+
that(who)+
其他部分
一般问句
Is/Was it +
被强调部分
+
that+
其他部分？
特殊问句
特殊疑问词
+is/was + it + that
+
其他部分？
takes/
took / will take sb some time to do sth
is time/ about time/ high time that
…
It
is time for sb to do sth
;
It is time for sth / to do
sth
is adj of sb to do sth;
It
is adj for sb to do sth
It
is up to sb to do sth
is
one
’
s duty/ turn to do sth
is no use/ no good / useless doing sth
is a waste of time doing sth
is convenient for sb to do sth
is likely that
从句
it comes to
doing sth/sth
is no wonder that
从句
/This/ That is
the best/worst/most interesting + n + that
从
句
从句时态用现在完成时
/This/That
is/was
the
序数词
time
that
从句时态用现在
完成时
/
过去完成时
will
be
+
一段时间
+before
+
从句
表示再过多久
才……
It
won
’
t
be
+
一段时间
+
before
+
从句
表示用不了多久
就……
It was +
一段时间
+ before +
从句
表示过了……才……
It
wasn
’
t
+
一段时间
+
before
+
从句
表示没过……
就……
is/has been
+
一段时间
+ since
+
从句
16. It is/
was not until +
被强调部分
+ that
+
剩余部分
17. It is/ was
+
时间
+when
定语从句
18. It is
great fun doing sth.
It is worthwhile doing/to
do sth.
六、翻译练习
1.
要花多年的时间才能掌握一门新的语言。
2.
我写这封信花了一个小时。
（
it takes sb some time to do
sth
）
3.
他说那样的话，真是太傻了。
（
it is foolish
of sb to do sth
）
4.
爬山是费劲的事。
（
it is
hard work doing sth
）
5.
这里的夏天有时会很热。
（
it can be
）
6.
有人在敲门。
一定是邮递员。
（
there be; a knock on the door;
postman
）
< br>7.
得由你来做出选择。
（
it
is up to sb to do sth
）
8.
他打电话时我碰巧不在家。
（
it happens that
）
it were not for their timely help, I
couldn
’
t have got over the
difficulties.
10.
我们认为抱怨是没有用了。
（
think it no use
doing; complain
）
七、练习题
1.I
still
remember
the
accident
and
the
troubles
____
has
caused to me.
2. ___ is certain that she will do well
in her exam.
3. It is a pity ____ I
can
’
t go with you.
4.___ now appears that they are in need
of help.
5.___ hits me that I should
turn to my teacher for help.
6.___
suddenly occurred to him that he had left his keys
in the
office.
7.I like ___
in the fall when the weather is clear.
8.I consider ___ a great honor to be
invited to your party.
has made ___
clear that he won
’
t give up.
10.
It
is
the
most
instructive
lecture
that
I
________(attend)
since I
came to this school.
11.___ is two
hours before the medicine takes effect.
was about 600 years ago _____ the
first clock with a face
and an hour
hand was made.
13.___ is 3 days since I
fell ill.
long do you suppose ___ is
since he got the news?
15.___ was
yesterday that I met Tom in the park.
____ yesterday that you met Tom in the park?
was ___ that you met Tom in the park?
teacher didn
’
t
know when ___ was that I met Tom in the
park.
19.___
is
that
he
often
fails
in
exams
that
makes
his
parents
worried about him.
20.___ was the news that he has
succeeded that inspired them
all.