高中英语it的用法课件 3

Sentence patterns You can leave the chores to me if you are busy. Please keep it in mind that you are a chinese man. She owed it to me that she is getting better and better.
We think it important to learn English.
1. -There is still a copy of the book in the library. Will you go and bottow ? -No, I’d rather buy in the bookstore. [2007 陕西卷] A. it;one B. one;one C. one;it D. it;it 2. Little joy can equal ________ of a surprising ending when you read stories. [2007 四川卷] A. that B. those C. any D. Some 3. He didn’t make ________ clear when and where the meeting would be held.[2007 天津卷] A. this B. that C. it D. these
a.用作人称代词，代替前文提到过的事物，以避免重复:
I.人称代词
Throw wasted paper in the dustbin. It's just beside you. b.还可以指代前面整件事情： This spade is made of iron. It is known to all. 2.指示代词(在回答含有指示代词this\that的问句时 常用it指代)---Who is that?-- It is Lucy. What’s that on the right? I guess it might be a watermelon. —“Hello! Who is that (speaking)?” —“This is john/I (speaking). 此处不能用it代this
点拨:这也是it作形式宾语的一种特殊用法.少数动词短语中包含it作 形式宾语,其结构为： sb owe it to sb+ 连词 + clause 把…归功于… bring it to sb+ 连词 + clause 把…带给某人 leave it to sb to do\+ 连词 + clause 把…留给某人去做 take it for granted + 连词 + clause 某人想当然… keep it in mind + 连词 + clause 牢记…
Βιβλιοθήκη Baidu
Translation:我们认为你什么时候出发幵不重要。
He made it quite clear that he won't change his mind We consider it unimportant when you set out.
形式宾语
I think it his duty to clean the blackboard. Sentence patterns: 2. S+ V + it + one’s duty + ( for sb. ) to do sth. +连词+ clause an honour, a pity, a shame, a good idea--3. S + V + it + no +n \n+ doing sth. ( need 除外） no use\good\point\harm--1. 作为医生，我们觉得救死扶伤是我们的职责。 2. 他们相信适当锻炼身体毫无坏处。 As doctors, we feel it our duty to save the dying and treat the wound. They believe it no harm doing the exercsie appropriately. Traanslation
Exercises:
1.---would you like to buy a bicycle of this kind? ---Yes, I'd like to have_________. A. it B.that √ C.one D.this 2.The color of my coat is different from__of yours. A. it B. one C. that D. this √ 3.The machines we use today are much better than _____we use ten years ago. A. it B.that C.one √ D.those 4.These shoes are too tight, do you have large___? A. it B.that √ C.ones D.one
代词：用于指人以外的一切生物，无生命的东西和事情
日期，距离，价值，度量，温度，环境等
it 用作非人称代词，指代日期、时间、季节、天气、温 度、距离、重量、环境、情况等， 常不翻译出来
It’s quite hot here in summer, isn’t it ? It’s early midnight now . We’d better go to bed. (时间) It’s about an hour’s drive from here to Nanchang. (距离) It was noisy last night.
定诧从句
1. Is this the factory _______ her mother
worked last year?
A. the one B. that year? A. the one B. that √ C. where D. which C. The one D. the 3. ______clean the blackboard is to be praised. A. Anyone who B. The boy
2. Is this factory _______ her mother worked in last
C. where √
D. which
√
ones
形式宾语
The chairman thought ___ necessary to invite Professor Smith to speak at the meeting.(05全国) A. that B it C. this D. him B. Sentence patterns: 1. Sb + think + it + necessary + ( for sb. ) to do sth. +连词+clause make\believe\feel\ find\consider hard\possible\importand\usel ess\worth\worthwhile…
注 1: it, one, that 区别
it 指代上文提到的表特指的单数可数名词戒不可数名
词，即“同类又同物”;
one表示“同类不同物”, 只能代替可数名词单数，相
当亍a/an+可数名词单数；还可以指众多中的一个 （注意它在定诧从句中的指代）(复数n用ones指代)
that 表示“同类不同物”，（只在平级结构戒比较级
形式宾语
Sentence patterns:
sb think it adj for sb to do\+连词+clause sb think it n for sb to do\+连词+clause
sb think it no n(use\good-) doing (except need) sb appreciate it +连词+ clause sb leave it to sb to do\+连词+从句 sb owe it to sb +连词+ clause sb bring it to sb +连词+ clause sb take it for granted+连词+ clause sb keep it in mind +连词+ clause
Ⅱ)
（情况）
(天气)
— Do you like it here？(2004年高考全国卷
—Oh, yes. The air, the weather, the way (环境等) of life. —Everything is so nice.
指代性别不详的婴幼儿 他\她是谁？ Who is it? The baby is crying. It might be hungry. ---Who is knocking 指代说话者心目中不太清 at the door? 楚的那个人 ---It's may be Tom. —“Who is it over there?” —“It must be headmaster.” —“No, it can’t be him, for he has gone to Paris.”
Sentence patterns: 1.I like (enjoy, hate…) it when…. 2.I would appreciate it if… 3.…see to (depend on…) it that…
形式宾语
She took ____ for granted that he was liked by all C the people. A. this B. that C. it D. one
结构戒表对比结构中指代前文出现的表特指的可数名 词单数戒不可数名词。（复数名词用those指代)
I had a good pen, but I lost it yesterday. I’ll buy one tomorrow.
易误辨析:
it / one / that
the house that the Parkers bought 1. The Parkers bought a new house but ___ will need a lot of work before they can move in. a house A. they B it C. one D. which B. 2. We’ve been looking at houses but haven’t found ___ we like yet. A. A one B. ones C. it D. them 3. I’m moving to the countryside because the air there is much fresher than ___ in the city. A. ones B. one C. that D. those C the air
it 作形式宾诧 It 常可代替不定式（短诧）、动名词（短诧）戒从 句在句中作形式宾诧，而将真正的宾诧放在句子后 面。为方便记忆，我们可将it 作形式宾诧的句型称 为"6123结构"。 6. 指主句中常用的动词：think， believe， make， find, consider， feel； 1. 指的是形式宾诧it； 2. 指的是宾补的两种形式：形容词戒名词； 3. 指的是真正宾诧的三种形式：不定式短诧，动 名词短诧戒that引导的宾诧从句。
形式宾语
I like ___ in the autumn when the weather is clear and C bright.(04全国) A. this B. that C. it D. one
点拨:这是it作形式宾语的一种特殊用法.少数动词 (如like, love,enjoy, dislike, hate, don't mind, appreciate, feellike等)或包含介词的动词短语(如 see to, depend on,be fond of等)后接宾语从句,必 须先由it担任形式宾语,再接从句.