(1) owe it to sb. that…把…归功于…

例：I owe it to you that I finished my work in time. 亏你帮忙，我才及时完成了工作。

(2) take it for granted that … 认为---理所当然；想当然

例：I take it for granted that they will support this idea. 我认为他们会支持这个提议是理所当然的。

(3) keep it in mind that…

例：It must be kept in mind that there is no secret of success but hard work.

一定要记住的是成功的秘密是努力的工作。

(4) It can be seen from the statistics that ...从这个统计可看出……

例：It can be seen from the statistics that exercise is good for us.

        从这个统计可以看出，练习对我们是有好处的。

(5) It用在不能直接跟宾语从句的动词后面，尤其是表示好恶的动词后， enjoy, like, love, dislike, resent, hate, don't mind, be fond of, feel like, see to, appreciate, stand  宾语从句紧跟it之后

例：I hate it you can swim so well and I can't. 我妒嫉你游泳那么好，而我不能。

    I would appreciate it if you call me back this evening.  如果你晚上给我回电话,我会非常感激.

    I can't stand it when people talk with their mouth full.  我无法忍受别人说话的时候满嘴食物.

(6) It用在不能直接跟宾语从句的介词后面，宾语从句紧跟it之后（except that例外）

例：I'm for it that you will follow their advice. 我赞成你采纳他们的意见。

(7) It must be pointed out that   必须指出的是

例：It must be pointed out that it is one of our basic State policies to control population growth while raising the quality of the population.  一定要指出的是国家基本政策之一是在提高人口质量的同时控制人口增长。

(8) It has been proved that…   有人已经证实……

例：It has been proved that his theory is right.  已经证明，他的理论是对的。