1. | （指提到过的或正在谈论的动物或事物）它used to refer to an animal or a thing that has already been mentioned or that is being talked about now |
‘Where's your car?’ ‘It's in the garage.’ “你的汽车在哪儿？”“在车库里。” | |
Did you see it? 你看见它了吗？ | |
Start a new file and put this letter in it. 建立一个新档案，把这封信放进去。 | |
Look! It's going up that tree. 瞧！它正在往那棵树上爬呢。 | |
We have $500. Will it be enough for a deposit? 我们有 500 元。够不够作押金？ |
2. | （指婴儿，尤指性别不详者）used to refer to a baby, especially one whose sex is not known |
Her baby's due next month. She hopes it will be a boy. 她的孩子该下个月出生。她希望会是个男孩。 |
3. | （指已知或正在发生的事实或情况）used to refer to a fact or situation that is already known or happening |
When the factory closes, it will mean 500 people losing their jobs. 工厂如果关闭，就意味着 500 人要失业。 | |
Yes, I was at home on Sunday. What about it?(= Why do you ask?) 是的，我星期天待在家里。怎么了？ | |
Stop it, you're hurting me! 住手，你把我弄疼了！ |
4. | （用以明确身份）used to identify a person |
It's your mother on the phone. 是你母亲来的电话。 | |
Hello, Peter, it's Mike here. 喂，彼得，我是迈克。 | |
Hi, it's me! 嗨，是我！ | |
Was it you who put these books on my desk? 是你把这些书放在我桌子上的吗？ |
5. | （用作形式主语或形式宾语，而真正的主语或宾语在句末）used in the position of the subject or object of a verb when the real subject or object is at the end of the sentence |
Does it matter what colour it is? 它是什么颜色重要吗？ | |
It's impossible to get there in time. 不可能及时到达那里。 | |
It's no use shouting. 喊也没有用。 | |
She finds it boring at home. 她觉得待在家里无聊。 | |
It appears that the two leaders are holding secret talks. 看来两位领导人正在密谈。 | |
I find it strange that she doesn't want to go. 她居然不想去，我觉得奇怪。 |
6. | （谈论时间、日期、距离、天气等时用作主语）used in the position of the subject of a verb when you are talking about time, the date, distance, the weather, etc. |
It's ten past twelve. 现在十二点十分。 | |
It's our anniversary. 今天是我们的周年纪念日。 | |
It's two miles to the beach. 距离海滩两英里远。 | |
It's a long time since they left. 他们已经离开很久了。 | |
It was raining this morning. 今天上午在下雨。 | |
It's quite warm at the moment. 现在天气相当暖和。 |
7. | （谈论情况时用）used when you are talking about a situation |
If it's convenient I can come tomorrow. 方便的话，我可以明天过来。 | |
It's good to talk. 谈一谈很好。 | |
I like it here. 我喜欢这里。 |
8. | （强调句子的某部分）used to emphasize any part of a sentence |
It's Jim who's the clever one. 就数吉姆聪明。 | |
It's Spain that they're going to, not Portugal. 他们要去的是西班牙，不是葡萄牙。 | |
It was three weeks later that he heard the news. 三个星期之后他才听到这个消息。 |
9. | 正好是所需的；恰好exactly what is needed |
In this business, either you've got it or you haven't. 在这件事上，你不是成功了就是失败了。 |
