The use of “It”
It
is so lovely
It
’s raining
It
is sleeping
It
’s 10 o’clock
I.
人称代词
a.
指代动物或者无生命事物
b.
指代未知性别的婴儿或孩子
c.
指代不认识的人
d.
指代上文提到的一个动作、一种情况、或者一个主意等
2.
非人称代词
有时并不指具体的东西，可指时间、日期、天气、距离等
It was very quiet in the classroom.
It is half an hour’s walk to the city.
一、
It
作为代词
3)---Is this jacket yours?
---Yes, ______is.
1.用作人称代词。
It
It
It
Who’s it? _________is me.
Look at the picture. _____is a picture of our school.
4) a. Jim is at the door
．
____wants to see you
．
b. Someone is at the door
．
____must be Jim
．
A. That, It B. It, He C. He, It D. Who, He
一般说来，在指代身份或性别明确的人时，通常要根据情况用代词
he
／
she
；若是指代身份或性别不明的人，则用代词
it
Back
C
Read and analyze the following sentences.
It
is Friday today.
It
was very cold last Monday.
It
is about 8:30 now.
It
is about 25km from Longxian to Bazi.
It
lies in the south of Shaoguan city.
It
is 40°C ! You got a high fever!
Conclusion :it
可以用作
非人称代词
，表示
_____,_____,______,______,______,_____
等。
Date
weather
time
distance
place
Temperature
日期
天气
时间
距离
地点
温度
1. I can’t find my pen. I’m going to buy _____.
2.
Life today is better than ______ in the old days
.
3.
I can’t find my pen. I must have lost _____.
_____
用来指代前面提到的可数名词，所指的是事物本身；
______
则用来替代前面出现过的可数名词，泛指，指一类事物中的一个
.
______
用来代替不可数名词或单数可数名词，特指。
one
that
it
it
one
that
it/ one/ that
的区别
二、
It
作为形式主语
当
不定式、动名词、从句
等用作句子
主语
时，为保持句子平衡，通常把真正的主语放在句末，而在
句首使用形式主语
it.
2021/1/21
e
g:
It is illegal
（
for a teenager
）
to drive a car without a license
.
It is necessary for you to give him a letter.
Conclusion
：
在句
1
和句
2
中
it
的作用是
_________,
真正主语是
________
。
形式主语
不定式短语
（
1
）
It
+
be
+
adj.
+（
for sb.
）
to do sth.
此处
adj.
通常为描述事件的形容词：
easy
，
difficult
，
hard
，
necessary
，
impossible
，
likely
，
right
，
wrong
，
important
，
obvious
，
useful
，
useless
，
dangerous
…
2021/1/21
（
2
）
It
+
be
+
adj
+
of sb. to do sth
此处
adj.
通常为描述人的形容词
：
kind
，
unkind
，
nice
，
rude
，
cruel
，
considerate
，
careless
，
foolish
，
stupid
，
wise
，
crazy.
e
g:
1
.
It‘s kind
of
you to help me with the problem.
某人做某事某人是
…….
2 It’s foolish
of
you to quit your job now.
2021/1/21
3.It
is no good
crying over spilt milk
.
4.It
is no use
casting pearls before swine
.
在句
3
与句
4
中，
it
的作用是
_________,
真正主语是
____________.
形式主语
动名词短语
构成如下结构：
It is +no use/no good/not any good/not any use+ doing sth.
Read and analyze the following sentences.
It
is obvious
that the water was to blame
.
Is
it
possible
that he will become the chairman of our country
?
It
is amazing
that at my age I still look like a student!
Analysis
：
it
是
______ ,
句子真正的主语是
——____________
形式主语
that
引导的主语从句
Conclusion
：
It is+ ____+ that
从句
adj.
It is said that…
It is reported that…
It is supposed that…
It is hoped that…
It is well known that…
It is generally considered that…
It is suggested that…
据报导
……
据推测
……
希望
……
It is said (reported....) that ...
该句型中的
it
仍是
形式主语
，真正主语是
that
引导的主语从句
。
众所周知
……
普遍认为
……
有人建议
……
据说
……
smoking does harm to health.
we are in the same college.
there is an earthquake in Japan.
he should quit smoking at once.
1.
吸烟危害健康，这是事实。
2.
碰巧我们在同一间大学
。
3.
据说日本发生了地震。
4.
有人建议他应该立刻戒烟。
It is suggested that
It is said that
It is a fact that
It happens that
三、
it
作形式宾语
1
.
I found
it
very interesting to study
English.
我发现学英语非常有趣。
2
.
I think
it
no use arguing with him.
我认为和他争吵没有用。
3
.
He made
it
clear that he was not
interested
in this subject.
他非常清楚地表示他对那门学科不感兴趣
。
小结：
it
在句中充当
_________
，真正宾语可以由
______
以及
_________
短语充当。
还可以由
______
引导的宾语从句充当。
不定式
动名词
that
形式宾语
总结：
当复合宾语中的宾语是不定式、动名词宾语从句时
,
往往把真正的宾语放在它的补足语后面，而用
it
作形式宾语
,
放在宾语补足语之前。
该句型中的
it
作形式宾语
,
常用的动词有
think, believe, make, find, consider, feel
等。
动词
+it+
宾语补足语
+
不定式（动名词或从句）
Eg. We think it no use complaining.
make it
forget it
believe it or not
Don’t mention it
It doesn’t matter
It(That) depends
Got it
It’s hard to say
It’s up to you to do sth.
take it/things easy
成功，做到，赶上等
别提了，忘了它吧
信不信由你
别提了，表示不用谢
没关系
视情况而定
明白了，懂了
很难说
由你来决定做某事
不要慌，别担心，沉住气
常见的固定用法有
:
Rewrite the sentences using an “it” structure.
1 Giving up smoking is difficult. (It is…)
2 Most people believe smoking causes cancer. (It is believe that…)
3 Don’t try to quit on a stressful day. (It’s no use…)
4 you could suffer from bad health if you keep smoking. (It is likely that…)
It is difficult to give up smoking
.
It is believed that smoking causes cancer
.
It is no use trying to quit on s a stressful day
.
It is likely that you could suffer from bad health if you keep smoking.
Translation
1.
是到戒烟的时候了。
(quit)
2.
让人惊讶的是在我这个年纪我依然
这么健康。
(It is amazing that...)
It is time to quit smoking.
It is amazing that at my age I am still so fit.
It seems strange that the man who had
delevoped communism should have
lived and died in London.
4.
这似乎是一件怪事：这位发展了共产主义
的人竟然在伦敦生活过，并且在伦敦去世。
3.
一旦你吸烟上了瘾
,
你会发现要把它戒掉
很难。
(addict... to; tough)
Once you are addicted to smoking, you
will find it tough to give it up.
5.I _____________ (
认为有必要
) to take plenty of hot water every day.(think)
6. ______________(
据说
)the professor has already succeeded in carrying out this expriment.(say)
7. ________________ to have succeeded(
已成功
)
in carrying out this expriment.(succeed)
8
. ________________(
抱怨是毫无用处的
)
，
and they never listen.(use)
think it necessary
It is said that
The professor is said
It is no use comlaining
_(
Good Bye
微信/支付宝扫码支付