When Joe's friends arrived, they were included in the plan.

When these friends arrived, the door of her apartment stood open.

I can get part one finished by the time our friends arrive.

She wanted to talk about the book, but some friends arrived just then, to visit her father.

It made George long all the more for the next day, when her three friends would arrive.

She was still trying to figure this out when her friends arrived.

Our friend finally arrived, and there was still plenty for her.

If his friend arrived any time in the next half hour or so, he could join him.

Five days from the time you and your friends arrived in the valley.

He'd known that too, but he couldn't find the place to say so when his friends had arrived.