Suddenly I tripped and fell!...
What did you trip on? Did you fall a long distance? Through a trap door? Where did you end up? Did you hurt yourself?
I found something useful while I...
Past continuous sentence. What were you doing? What did you find and how can it help you?
... was/were following me, so I...
Who was following you? Was it a friend or a foe? What did you do?
I was _________ when something bit me!
What were you doing? What bit you? Did it hurt? What did you do?
