I was fined for breaking /the/ hotel's chandelier. The guide /forgot/ to pick up some tourists from /the/ island. The mother was singing a lullaby /while/ sitting by her child. OR The mother was sitting by her child and singing a lullaby. Everything else looks OK

I was fined for breaking hotel's chandelier. I was fined for breaking the hotel's chandelier. The guide forget to pick up some tourists from island. The guide forgot to pick some tourists up from the island. The mother was singing a lullaby sitting by her child. The mother was singing a lullaby while sitting by her child. A lump of stone rolled off the mountain into the road. A rock rolled off the mountain and onto the road.