When

When you think you know nothing, then you begin to know something.

When I got to the airport, the plane had already taken off.

While

While he was away from home, his neighbour took care of his garden.

While I was reading in the living room, my wife was writing her novel in the study.

While my son was sleeping, my wife came home.

As

As soon as I heard the news, I rushed to the hospital.

We were having breakfast as she was combing her hair.

Before

Before the meeting, we need to prepare the documents.

After

After the party, we went home.

Until/Till

I won't go to bed till （until） she returns.

They worked until late in the night.

这些例句展示了如何使用不同的时间状语从句连接词（如when, while, as, before, after, until/till）来构造句子，表达时间关系。希望这些例子对你有所帮助。