含 it 的句型

it 作 形式主语

1

It + be + 形容词/名词 + 动词不定式/动词-ing/that 从句

It's not easy to learn a foreign language.
学好一门外语不容易

It's no use taking this medicine.
吃这药没用

2

It takes + 某人 + 一段时间 + to do sth.

It took us half a year to finish the work.
完成这项工作话费了我们半年时间。

It takes abut twenty minutes to walk to school.
步行去学校大约需要二十分钟

3

It is said/reported/suggested/requested ... + that 从句

It is said that there are several thousand languages in the world.
据说世界上有数千种语言

It was reported that there had been a fire in the village.
据报道，这个村庄失过一次火

it 作 形式宾语

提示

主语 + 谓语 + it + 形容词/名次 + 动词不定式/动词-ing 形式/that 从句

He found it very difficult to sleep and he was rather angry with the man upstairs.
他觉得难以入睡，他对楼上那个人有些生气了。

I feel it my duty to help you.
我觉得帮助你是我的职责

其他

提示

It seems + that 从句/as if 从句

It seems that the American fast food is the most popular in the world.
The American fast food seems to be the most popular in the world.
美国的快餐似乎是世界上最流行的食品。

It seems that he is worried about his son.
He seems to be worried about his son.
他好像在为他儿子担心

It seems as if it might snow.
It looks as if it might snow.
看来好像要下雪了