Because you promise to pay back, I'll lend you the money.
Because of the rain, we stayed at home.
Due to the rain, we stayed at home.
In spite of the rain, we went for a walk.
Despite the rain, we went for a walk.
Although it was raining, we went for a walk.
Unless it rains, we'll have a garden party.
As long as it was raining, we stayed at home.
