The bus stopped because a storm had started.
When the storm started, the bus stopped.
The storm blew as soon as the rain started pouring.
As soon as the rain started pouring, the storm blew.
The old man staggered before he got his cane.
Before he got his cane, the old man staggered.
He made his way to the house, because he had finished shopping.
When he had finished shopping, he made his way to the house.
He sat down at the table until they went out for a walk.
Until they went for a walk, he sat down at the table.
He waited for them to arrive, before lunch.
Before lunch, he waited for them to arrive.