单元语法专练语法精讲
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。语法精讲
( 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。语法精讲
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。语法精讲
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。语法精讲
( 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。语法精练
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语法精练
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. 语法精练
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.
微信/支付宝扫码支付