代詞it用法大搜索

陳傳光

【規(guī)則提煉】代詞it常用作人稱代詞和非人稱代詞。

1. 用作人稱代詞，代替事、物或人等。

①用來指代動物或無生命的事物。例如：

Look at the koala. It is very cute. 看這只考拉，它很可愛。

②用來指代不清楚性別的小孩或不明身份的人。例如：

Someone is knocking at the door. Please go and see who it is. 有人在敲門，去看看是誰。

③用來指代前面提到過的事物。例如：

I cant find my pen. I think I must have lost it. 我找不到我的鋼筆了。我想一定把它弄丟了。

2. 用作非人稱代詞。

①指代時間、日期、天氣、溫度、距離等。例如：

Its windy today. 今天天氣多云。

②用作形式主語，指代動詞不定式或從句。it作形式主語，常用于下列句型中。例如：

It is + 形容詞 + （of/ for... ） + to do sth.

It is necessary for us to learn English well. 對于我們來說，學(xué)好英語很有必要。

It takes sb. some time to do sth.

It took me fifteen minutes to work out this math problem. 我花了15分鐘解決這道數(shù)學(xué)題。

It is said/ reported/ ... + that從句

Its said that Jay Chou will come to our city next month. 據(jù)說周杰倫下個月將來我們城市。

③用作形式賓語，常見于“主語 + think（s）/ find（s） + it + easy/ difficult/ hard/ ... + to do sth.”句型中。例如：

I find it easy to solve the problem. 我發(fā)現(xiàn)解決這個問題很容易。

【牛刀小試】

Ⅰ. 根據(jù)中文意思完成下列句子。

1. 門外有個人，我不知道那會是誰。

There is somebody outside the door. I dont know ________________________.

2. 從我家到學(xué)校8公里。

________________________ from my home to my school.

3. 解決霧霾問題需要花很長時間。

________________________ to solve the problem of haze.

4. 據(jù)說他下個月要去北京。

________________________ he will go to Beijing next month.

5. 我發(fā)現(xiàn)學(xué)好英語很容易。

I ________________________ English well.

Ⅱ. 同義句轉(zhuǎn)換，每空一詞。

1. There was a heavy snow last night.

________ ________ ________ last night.

2. The village is about half an hours walk from the town.

________ about half an hours walk from the town ________ the village.

3. We havent seen each other for two years.

________ has been two years ________ we saw each other last time.

4. I think the problem is difficult to deal with.

I think ________ difficult ________ ________ with the problem.

5. People believe that the rocks have been here for over two million years.

________ ________ ________ the rocks have been here for over two million years.