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，偶尔也出现在短文改错”和完形填空”中。一、itit 作人称代词的用法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。如：I dropped my watch and it broke.It hard work, but I enjoy it.“ Where is the dog?”“ It in the bedroom. ”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。如：Is it a boy or a girl?There is

2、a knock on the door. It must be the postman.【说明】在答语中，常用来指本人，如说It me。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。如：“What this?”“It a new machine. ”Nothing is wrong, is it?二、itit 作非人称代词的用法1.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 y

3、esterday. It can get very hot here.2.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 until. that.直至 U.才.三、itit 用作形式主语1.基本用法：当

4、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.2.用作形式主语的的重要句型It + be + adj. for (of) sb to do sth 某人做某事.It is hard for him to make up his mind.(介词 for 表示对象，意为 对.来说”)It was foolish of her to sa

5、y such a thing. (of 用于指某人的性格、属性、特征等)(2) It takes sb +时间段+ to do sth.某人做某事花了 .时间(3) It is up to sb to do sth.该由某人做某事(4) it look (seem, appear, happen, occur) that as if 似乎.(5) If it were not for/ If it hadn been for若不是因为.四、itit 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

6、为动词+it+宾语补足语+不定式(动名词或从句)”。女口：I find it difficult to do 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 ItIt is/wasis/was +被强调部分+ that/who/whom+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 yo

7、ur father yesterday.It 的相关练习姓名：_得分：_选择题2020()1. It wasat the gatehe told me thenews.A .thatB. whatC. whichD. when()2. Isnecessary tocomplete the design before National Day?A .thisB. thatC. itD. He()3dont think _possible to master a foreign language without much memory work.A. this B. that C. its D.

8、it( )4.Does_matter if he cant finish the job on time?A. thisB. that C. he D. it()5t was not_ she took off her dark glasses_I realized she was a famous film star.、填空 20201.1._ (据报道)a lot of people lost their jobs in the city last month.(碰巧)I had been away when he called.3._ (看来)nobody knows what has

9、happened.(seem)4._ (感至 U 遗憾)I haven t been to the get-together.5.It s no use_ （为打翻的牛奶而哭泣 ）. .三、改写下面的强调句 4040My father did the experiment in the lab yesterday evening.主宾地点时间1. _ （强调主语）2. _ （强调宾语）3. _ （强调时间状语）4. _ （强调地点状语）A. when; thatB. until; thatC. until; whenD. when; then2.I met your father in the

10、 street yesterday .5. _ （强调宾语）6. _ （强调地点状语）7.He didn realize his fault until we pointed out it to him. （改为下面句型结构 ）ItIt waswas notnot untiluntil_ thatthat_四、翻译20201 1. .是该我们好好学习的时候了2.2.健康饮食是非常重要的3.3.抱怨是毫无用处的，他们从来都不听的4.4.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 fee

11、l it a pity thatcrying over spilt milk三、1.It was my father did the experime nt in the lab yesterday evening.（强调主语）It was the experiment that my father did in the lab yesterday evening.（强调宾语）It was yesterday evening that my father did the experiment in the lab.（强调时间状语）It was in the lab that my father did the experiment yesterday evening.（强调地点状语）2.Ityour father that/who I met in the street yesterday.It was in the street that I met your father.3.we pointed out his fault to him; he realized it. 四 1.It s time for us to study hard. /It s high time that westudied hard.2.It s