it用法归纳

“it”用法归纳

江西省赣县南塘中学王先玲341103 139********

一、用作代词

1. 指代前面或其后提到的同一物。

例如：

Jack caught a big fish this afternoon. Now he is cooking it for dinner.

2.指代性别不详的人，指代前面或其后提到的同一人。

例如：

Somebody rang my doorbell just now, but I didn’t know who it was.

3.替代this , that, something, anything ,nothing 等代词。

例如：－Is this a ruler?

－No, it isn’t.

4.指代时间、天气、距离、金钱等。

例如：

（1）－What’s the date today?

－It’s June 19 th.

（2）－What’s the weather like today?

－It’s sunny.

（3）－How far is from your home to the school?

—It’s about10 minutes’ walk

（4）－How much is the sweater?－It’s 100 yuan.

二、指代不定式作形式主语和宾语

1.不定式作宾语时,如带有宾补,则要将不定式放在后面,用it作形式宾语,组成“主语+think / find / make 等+it+形容词/名词+不定式”结构作宾语。

例如：I found it very hard to learn English well.

2.不定式作主语，常用it作形式主语，而把真正的主语（不定式）往后移。常构成“It takes/took /will take sb. sometime to do sth.”和“It’s +adj./n.(for. of) sb. to do” 结构。例如：

（1）It will take the workers about two years to build the teaching building.

（2）It’s nice of you to help me.

（3）It’s hard for us to get up early every day.

三、指代句子

it在复合句中指代从句，常构成的句型有：It’s said/reported…,It seems that…/It’s +adj. +that+从句/“It’s +被强调的部分+that+非强调部分”。

例如：

（1）It’s said that the old church was built from the year 1845 to 1848.

（2）It seems that my mother is very angry.

（3）It’s impossible that he passed the exam.

（4）It’s th e pride of our country that Yang Liwei has successfully circled the earth.

【温馨提示】代替不定式或从句的代词只能用it,不用其他代词。

四、it在固定短语、句型的用法

常见的搭配有：Here it is./Don’t mention it /It’s hard to say/It doesn’t matter./It’s my pleasure./It’s time to do sth./ for sth./It’s kind of you./It’s +时间段+since+从句例如：

（1）－May I use your pen?－Here it is.

（3）－I’m sorry to come late.

－It doesn’t matter.

（4）－Thank you very much.－It’s my pleasure.

（5）It’s time for supper/ It’s time to have supper.

（6）－I’ll help you with your English this afternoon.－It’s kind of you. （7）It’s ten years since she joined the Party.