Bob fell over as he ran down the road.

The thunder roared so the hobbits hid.

Bilbo slept in a cave before the goblins attacked.

The cart came to a wheezing halt as Gandalf  strode into the hobbits hole.

Jim was interested in the idea so he rang his friend.

Owls are nocturnal and have excellent eyesight so this means they can be active at night.