It用法和强调句

It用法和强调句

典型例句：

1.---Who is knocking? “---谁在敲门？”

---It must be Li Hong. (不用she). “---肯定是李红。”

比较：---Who is that girl？“---那个女孩是谁？”

---She is Li Hong. “---她是李红。”

注：it作实义代词，代替前面提到过的人、事、物。指代人时，常用于小孩或身份、性别不明的人。

2.Our computer is stolen. Have you heard about it?

我们的计算机被偷了。你听说过这事了吗？

与下列句子进行比较：

（1）As they are retired, Mr.and Mrs. Scott prefer a house in the country to spend their late years to one in a large city.

由于退休了，Scott先生和夫人更想要座乡下的房子而不愿要大城市的来度过晚年。

（2）Few pleasures can equal that of a cool drink on a hot day.

很少有乐趣能同热天的一杯冷饮相等同。

3.It’s half an hour’s ride from here to the station.

从这里到车站开车要半个小时。

It’s midnight when my father came back.

我父亲回来的时候是半夜。

比较：It’s at midnight that my father came back.

是在半夜的时候，我父亲回来的。

4.It took me more than 3 days to finish all the hard work.

花费了我三天多才完成所有这些困难的工作。

试译下列各句：

（1）It is time for me to get down to working.

到了我开始认真工作的时候了。

=It is time that I got down to working.

（2）这是我第一次来这里。

It/This is the first time that I have been here.

5.How long is it since we visited your mother?

自从看了你母亲后有多长时间了？

比较下列几个句子：

（1）It was a long time that I spent doing the work.(强调句)

我做这项工作是花了很长一段时间。

（2）It was a long time before I finished doing the work.(才)

过了很长一段时间我才完成了这项工作。

（3）It was not long before I finished doing the work . (不久就)

不久我就完成了这项工作。

（4）It is 3 years since I left school.(since句式)。

自从我毕业离校已经三年了。

（5）It will be 3years before I leave school.

要过三年我才能够离校。

6.It is impossible for us to finish so much work in such a short time.

我们不可能在如此短的时间内完成这么多的工作。

比较下列各句：

It is no use crying over spilt milk.

覆水难收。

I hate it when people speak with their mouths full of food.

我讨厌人们嘴里满含着食物说话。

7. We made it clear when and where we are going to have the meeting.

我们确定了何时何地举行会议。

I think it our duty to help the poor.

我认为帮助穷人是我们的责任。

I took it for granted that he knew me.

我想当然地认为他认识我。

8.It is the ability to do the job that matters not where you come from or what you are.

事关紧要的是做工作的能力，不是你来自哪里或你做什么。

It is the dictionary that I spent 100 dollars on . (宾语)

就是在这本字典上，我花了100美元。

It was at his office that we called on Professor Wang this morning. (地点状语)

今天上午是在他办公室里我们拜访了王教授。

It was this morning that we called on Professor Wang at his office. (时间状语)

是在今天早上我们在王教授的办公室拜访了他。

It was with great joy that he received the news that his lost daughter had been found.(方式状语) 他是带着满怀的兴奋得到消息说他丢失的女儿被找到了。

It was not until she got home that Jennifer realized she had lost her keys. （not until句式）直到她到家，Jennifer才意识到她丢了钥匙。

9. ---How was it that he managed to get the information?

---Oh, through a friend of his.

“他是怎么设法得到消息的？”

“哦，通过他的一个朋友。”

试译下列句子：

(1)你昨天是在什么时候来看我的？

When was it that you called on me yesterday?

(2)这儿为什么不允许吸烟？

Why was it that smoking is not allowed here ?

(3) I really don’t know where it was that I had my money stolen.

我的确不知道，到底是在哪里被偷了钱。

注：强调句的特殊疑问句式:特殊疑问词+is/was it that +其他

但是如果特殊疑问句式放在名词性从句中，则应改为陈述形式，即：“特殊疑问词+it is/was that +其他。

10.Was it in 1939 that the Second World War broke out?

第二次世界大战是在1939年爆发的吗？

试译：是直到河里所有的鱼都死了村民们才意识到污染多么严重吗？

Was it not until all the fish died in the river did the villagers realize how serious the pollution is ?