Unit 1 Asia
单元语法专练
代词it的用法
1.it 作人称代词的用法。
(1)指事物。
it可指代除人以外的一切事物或动物。例如:
—Where is the cat?猫在哪?
—It’s in the bedroom.它在卧室里。
(2)指人。
it可用于指代性别不明的婴儿或用于确认某人的身份。例如:
Is it a boy or a girl?是男孩还是女孩?
There is a knock on the door.It must be the postman.有人在敲门。一定是邮递员。
(3)代替某些代词。
it还可用于代替指示代词this,that以及复合不定代词something,anything,nothing等。例如:
—What’s this?这是什么?
—It’s a present for you.这是给你的礼物。
2.it作非人称代词的用法。
it主要用于指代时间、距离、价值、天气、气候及温度等自然现象。例如:
It’s 7 o’clock now.现在7点钟。
—How far is it from here to the station?这里离车站多远?
—It’s about two kilometres.大约两千米。
3.it作形式主语或形式宾语的用法。
(1)it作形式主语。
当不定式、动名词、从句等成分作句子主语时,通常把真正的主语放在句末,而在句首用it作形式主语。
①It+be+adj.+for/of sb+to do sth意为“某人做某事……”。例如:
It is hard for him to make up his mind.他很难下定决心。
②It takes/took sb+时间段+to do sth意为“某人做某事花了多长时间 ”。例如:
It took me a month to get rid of my smoking.我花了一个月时间才把烟戒掉。
③It is said/reported that...意为“据说/据报道……”。例如:
It is said that he will study abroad.据说他要出国学习。
(2)it作形式宾语。
当不定式、动名词、从句等复杂成分作宾语,且其后跟有宾语补足语时,通常会在宾语补足语前用it作形式宾语,而将真正的宾语移至句末。其结构为“主语+谓语+it+宾语补足语+不定式/动名词/从句”。例如:
I find it difficult to do the job well.我发现做好这项工作不容易。
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Ⅰ.单项填空
(A)1.I can’t find my ticket.I think I must have lost .
A.it B.one C.this D.them
(B)2.When we got to the park yesterday, started raining.
A.that B.it C.this D.there
(C)3.Televisions have made possible for us to watch movies at home.
A.that B.this C.it D.they
(C)4.I find necessary to learn about the customs of a country before you go there.
A.that B.this C.it D.one
(A)5.It is important people good manners.
A.for;to learn B.of;to learn
C.for;learn D.of;learn
Ⅱ.按要求完成句子,每空一词
1.It’s a nice day.(改为反义疑问句)
It’s a nice day, isn’t it ?
2.Summer is very hot in Jiangsu.(用it改写句子)
In summer, it’s very hot in Jiangsu.
3.I went to school at 8:00 this morning.(用it改写句子)
It was 8:00 when I went to school this morning.
4.I find it is difficult to learn English well.(改为同义句)
I find it difficult to learn English well.
5.Playing football with you is interesting.(改为同义句)
It’s interesting to play football with you.
Ⅲ.选择适当的代词(it,one,that)填空
1. It is never too old to learn.
2.There is one newspaper left,and would you like to buy it ?
3.He has no child,so he wants to adopt(领养) one .
4.This work is much harder than that one.
5.I have a 100-dollar bill and I will give it to you.
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