pron

• ①[指已言及的无生物、语句、性别不明或不特别考虑性别的婴儿、动物]它;牠
  • He took a stone and threw it.他捡起一块石子并把它抛出去。
  • I said, "Come on!" but he didn't hear it.我说: 「过来吧!」但他没有听到。
  • What a beautiful baby－is it a girl?好漂亮的婴儿-是个女孩吗?

• ②[指心中所记或成为问题的人、物、事情、行动等]它;牠
  • "Who's that?"－"It's the postman!"「那是谁?」「是邮差!」
  • You're a damn good newsman, but don't let it go to your head.你是个了不起的报人,不过可别因此而得意忘形。
  • If you remember these points it will help you.如果记住这几点对你们会有帮助的。

• ③[置于句首或句中,作为形式上的主词或受词,以代表后面事实上的主词或受词]它;牠
  • Its impossible to get there in time.要及时到达那里,是不可能的。
  • It will be difficult for him to get up so early.要他那么早起将是困难的。
  • It's kind of you to say so.你这么说,真是亲切。
  • It is certain that he will succeed.他一定会成功。
  • It isn't certain whether she will come.她来不来,并不确定。
  • It is strange that he doesn't want to go.他不想去,真奇怪。
  • It is said that she is ill in bed.据说她病倒在床上。
  • I make it a point to be punctual for appointments.我强调约会要守时。
  • I take it (that) you will act at once.我相信你会立刻行动。
  • It's no use crying.哭没有用。

• ④[作非人称动词(impersonal verb)的主词,或泛指天候、寒暖、明暗、时间、其他事物、状态、距离等]它;牠
  • It's raining.天正在下雨。
  • It's very hot.天气很热。
  • It is Monday (today).今天是星期一。
  • It looks like rain.似乎是要下雨了。
  • It will soon be Christmas.耶诞节就要到了。
  • It is five miles to the station.到车站有五英里路。
  • It says, "Wet Paint."标示上写着「油漆未干。」
  • It says in the Bible that ...圣经上说…
  • How cold it is!好冷啊!
  • It's six o'clock.六点钟啦。
  • How long does it take from here to the airport?从这儿到机场要花多少时间?
  • Had it not been for you, I would have failed.那时要不是有你,我会失败的。
  • It seems to be a big problem.那似乎是个大问题。
  • It happened (that) he was absent.并巧他没有出席。

• ⑤ 1[在某些动词、介词之后,作笼统受词]【口】它;牠2[名词暂充动词用时,作为其意义笼统的受词]【口】它;牠
  • Lets walk it back to the hotel.我们走路回旅馆去吧。
  • I like it here.我喜欢这里。
  • We had a good time of it.我们玩得很愉快。
  • Lets make a night of it.让我们痛饮一夜吧。
  • Lets foot it.我们走路吧。
  • cab it【美】搭出租车去

• ⑥[用it is [was] ... that [who, whom, which, etc.]来加强句中的主词、受词、副词]它;牠
  • It was gambling that ruined him.毁了他的就是赌博。
  • It was Wang Wei who wrote that poem.那首诗是王维写的。
  • It was John (that) we saw.我们看到的,就是约翰。
  • It was a month later that she heard the news.一个月后她才听到那消息。
  • It was wine (that) you drank, not water.=It was wine, not water, (that) you drank.你喝的是酒,不是水。