9BU1
Grammar it的用法
it用法完全归纳
1. 指事物
作为人称代词,it 可以除人以外的一切事物或动物。
I didn't get the watch because it cost too much.
因为那表太昂贵我没买。
2. 指人
it 指人主要用于指不性别不明的婴儿或用于确认某人的身份。
It must be my roommate arguing again with his study abroad agent.
一定是室友又在和留学中介吵架
3. 代替某些代词
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。
“What’s this?” “It’s a pencil. ” “这是什么?”“是一支铅笔”。
4.指时间或季节
—What’s the time now?现在几点了?
—It’s eleven o’clock.11点了。
5.指天气
It is sunny but cold today.
今天天气晴朗,可是很冷。
6.指距离
How far is it to your house from here?
从这儿到你家有多远?
7. 用于某些句型
It’s time for sth. 该做某事了。
It’s time to do sth. 该做某事的时候了。
It’s time for sb to do sth. 某人该干某事了。
It’s (about / high) time + that-从句. 某人该做某事了。(从句谓语用过去式,有时也用“should+动词原形”)
It’s first (second) time + that-从句. 某人第几次干某事。(从句谓语用现在完成时)
It’s + 时间段 + since-从句. 自从……有一段时间了。
It’s + 时间段 + before-从句. 过多长的时间才……
It is three hours since the meeting began.
会议开始已有3个小时了。
8.it用作形式主语
(1)It + be + adj. for (of) sb to do sth 某人做某事……
[说明]介词 of 与 for 的区别是:of 用于指某人的性格、属性、特征等,介词for表示对象,意为“对……来说”
(2) It takes sb + 时间段 + to do sth. 某人做某事花了……时间
It takes me at least an hour to get home from work.
我下班回家至少得花一个小时。
9.it用作形式宾语
当不定式、动名词、从句等复杂成分用作宾语且其后跟有宾语补足语时,通常会在宾语补足语前使用形式宾语,而将真正的宾语移至句末。其基本结构为“动词+it+宾语补足语+不定式(动名词或从句)”。
Wearing red can also make it easier to take action.
身着红色也更易于采取行动。
10.引导强调句型It is/ was + 被强调部分(通常是主语、宾语或状语)+ that/ who(当强调主语且主语指人)+ 其他部分。
It is you who shape your life and your future.
你的生活和你的未来都掌握在你的手中。
[经典例题]
(1)--Have you found the watch you lost yesterday?--Yes, I' ve found_________already.
A. it B. that C. the one D. that one
(2)_______ the Internet plays such an important role in our daily life?
A. Why is it B. Why is it C. Why it is that D. Why is it that
(3)I hate ______ when people talk about me behind my back.
A. it B. that C. these D. them
(4)I advised him not to drink but _________ didn't help.
A. he B. it C. she D. which
(5)_________ is no need for you to get up early tomorrow.
A. It B. There C. This D. That
(6)I hope I made ___________ clear to him that he was no longer welcome here.
A. it B. this C. that D. him
(7)[2019连云港]After the new high-speed railway line began operations, the time on the trip from Lianyungang to Qingdao now is much less than _________ in the past.
A.one B.this C.that D.it
(8)[2018南京]By taking an online spoken English course, I find _______ much simpler to speak English.
A.this B.that C.it D.one
(9)[2020天津]I bought a present for ________. I hope you like _________.
A.your; this B.yours; that C.you; it D.you; one
(10)[2017甘肃兰州]Do you think _________ acceptable for a group of women to dance to loud music on the square near your house?
A.it B.that C.this D.its
(11)[2017内蒙古包头]The population of our city has increased _________40%, compared with _________ of 3 years age.
A.by; that B.to; those C.with; ones D.of; it
(12)[2016天津]I can’t find my ticket. I think I have lost _________.
A.it B.one C.this D.them
答案:ADABA ACCCA AA
【知识梳理1】The lake is very big-it takes up three quarters of the area. (P12)
湖很大,占据了园林的四分之三。
1.take up,意为“占据空间、占用时间”。
I won't take up any more of your time.
我不再占用你的时间了。
[经典例题]
(1)Piles of clothes__________ most of the living room.
A. stand up B. pick up C. take up D. take off
(2)My teacher encouraged us to _________ a hobby like drawing or taking photos.
A.take up B.make up C.set up D.put up
答案:C
2.quarter,名词,意为“四分之一”。
Almost three quarters of the Earth is water.
地球表面约四分之三是水。
[经典例题]
(1) _________ of the students in Class 6 have finished their homework at school .
A. Two fifth B. One thirds C. Three fifth D. Three quarters
(2)_________the mountain _________covered with trees and it's a good place to go in summer.
A. Three quarters of; is B. Three quarters of; are
B. Three quarters; is D. Three quarters; are
答案:DA
【知识梳理2】There are many tone lions on either side of it. (P12)
桥的两边有许多石狮子。
either表示“两者中的任何一个”,做主语时,谓语动词常用单数形式,起其后可接of短语。
neither 表示“两者都不”,做主语时,谓语动词常用单数形式,其后可接of短语。
both表示“两者都”,做主语时,谓语动词常用复数形式,其后可接of短语。
You can keep one of the photos. Either of them—whichever you like.
你可以保留一张照片。两张里任选一张—拣你喜欢的。
Neither of them felt like going back to sleep.
他们俩都不想回去睡觉。
Both of my sisters moved even farther away from home.
我的两个姐妹都搬得离家更远了。
[经典例题]
(1) —Which film do you like best?
—I will see ________. They are both old and boring.
A. neither B. none C. either D. both
(2)There are trees _________ this street.
A. on two side of B. on both sides of C. on every side of D. on either sides of
(3)There is a large window on _________ side of the front door.
A. each B. none C. either D. neither
答案:ABC
【知识梳理3】
They provide a high level of services. (P14)他们提供高标准的服务。
1.level,名词,意为“水平,标准”。
The level of pollution in the river was falling.
该河流受污染的程度其时正在降低。
2.service,名词,意为“服务”,动词形式为serve。
The bus service stops at midnight.
公共汽车午夜停止服务。
[经典例题]
(1)The government aims to improve public _________ , especially education.
A. services B. levels C. transport D. environment
答案:A