it用法及练习附答案

1、高三一轮复习It的用法总结It的用法在高考中也是重现率较高的语言点，尤其是it用于强调句。其考查方式多通过语法填空进行，偶尔也岀现在 短文改错”和完形填空”中。一、it作人称代词的用法指事物作为人称代词，it可以除人以外的一切事物或动物。如：I dropped my watch and it broke.It hard work, but I enjoy it.“Where is the dog? ”“It sin the bedroom. ”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。如：Is it a boy or a girl?There is a knock on th

2、e door. It must be the postman.【说明】在答语中，常用来指本人，如说It me。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。如：“ Whats this? ”“ It a new machine. ”Nothing is wrong, is it?二、it作非人称代词的用法基本用法：主要用于指时间、距离、价值、天气、气候及温度等自然现象。如：It too late to go there now.It rained all day yesterday.It can get

3、 very hot here.用于某些句型：It time for sb to do sth.某人该干某事了。It （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 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 +时间段+ since-从句.自从有一段时间了。It +时间段+ before- 从句.过多长的时间才 It not untilthat直至 U 才.三、it用作形式主语基本用法：当不定式、动名词、从句等复杂成分用作句子主语时，为保持句子平

4、衡，通常把真正的主语放在句末，而在句首使用形式主语it。如:It very important to remember this.It hard work climbing mountains.It unknown when he will come.用作形式主语的的重要句型某人做某事（介词for表示对象，意为 对来说”） （of用于指某人的性格、属性、特征等） 某人做某事花了时间It + be + adj. for (of) sb to do sthIt is hard for him to make up his mind.It was foolish of her to say such

5、 a thing.It takes sb + 时间段 + to do sth.该由某人做某事It is up to sb to do sth.似乎it look (seem, appear, happen, occur) that as if(5) If it were not for/ If it hadn been for 若不是因为四、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）”。如口:I find it difficult to d

6、o the job well.I think it best that you should stay here.We think it no use complaining.五、用于强调句型即“ is/was+被强调部分+ that/who/whom+其它句型之中It was yesterday_that_I_ met your father in the street.It was in the street that I met your father yesterday.It的相关练习姓名： 得分：一、选择题20 （）1. It was at the gatehe told me th

7、e news.A. that B. what C. which D. when（）2. Isnecessary to complete the design before National Day?A. this B. that C. it D. He（）3dont thinkpossible to master a foreign language without much memory work.A. this B. that C. its D. it（）4.Doesmatter if he cant finish the job on time?A. this B. that C. he

8、 D. itstar.（）5twas not she took off her dark glasses I realized she was a famous filmA. when; that B. until; that C. until; when D. when; then、填空20 1.2.（据报道）a lot of people lost their jobs in the city last month. （碰巧）I had been awaywhenhe called. （看来）nobody knows what has happened.（seem）（感至U遗憾）I hav

9、en t been to the get-together.5t s no use （为打翻的牛奶而哭泣 ）.三、改写下面的强调句40 Myfather_ did the_experiment_ in_theab_ yesterday_evening.主宾地点时间 （强调主语） （强调宾语） （强调时间状语） （强调地点状语）I met your father in the street yesterday .（强调宾语） （强调地点状语）He didn realize his fault until we pointed out it to him.（改为下面句型结构 ） It was no

10、t until that 四、翻译 20 是该我们好好学习的时候了健康饮食是非常重要的抱怨是毫无用处的 , 他们从来都不听的我们昨晚直到十点才到家。It 的答案一 ACDDB二 . It was reported thatIt happened thatIt seems thatI feel it a pity thatcrying over spilt milk三、 1.It was my father did the experiment in the lab yesterday evening. （强调主语） It was the experiment that myfather did

11、 in the lab yesterday evening. （强调宾语） It was yesterday evening that myfather did the experiment in the lab. （强调时间状语） It wasin the lab that myfather did the experiment yesterday evening. （强调地点状语） 2.It s your father that/who I met in the street yesterday.It was in the street that I met your father.we pointed out his fault to him; he realized it.四 1.It s time for us to study hard. /Its high time that we studied hard.2.It sis important to eat healthy food.3.It is useless to com