Yesterday when I came home from school on my way, it was night, by far I saw a very strange person who was spirited to bury something, but I could not distingui

Yesterday when I came home from school on my way, it was night, by far I saw a very strange person who was spirited to bury something, but I could not distinguish .I had very afraid I went home running to get my big brother who was with me .When I got home I told the whole story to my brother .My brother not believe me he wanted to see what the person was spirited to do, but I was afraid I would not go back but my brother insisted so much that I finally saw accepter.Il far the person but still could not see what he was doing, he too was afraid so we appellait police, the police asked us to stay away from this personne.La police arrived at the scene but strangely the person was in the process of digging to bury his dog had just died.
Bonsoir voici le DM que je dois faire avec sujet d'utiliser le preterit be+ing et le preterit simple esg ce bon ?