Переведите, пожалуйста, на английский язык в Past Perfect. Спасибо. К концу августа они…

By the end of August they made a lot of money.By the end of the year they developed the enemy fleet.He reminded me about this event after John left.We burned dry leaves before the snow fell.Rainbow appeared in the sky after the rain stopped.She cut flowers before we came into the greenhouse.Dodo — extinct species of birds. She disappeared after people started on her hunt.A fire destroyed the building, before the arrival of fire.Miss Marple allowed complicated criminal problem before it could make the police.Little Robert spoiled new toy before dad explained to him how to play with her.