Даю 20 баллов только Помогите ребятушки, первые три предложения нужно перевести в Passive Voice, прошууу!!!

1. Stories are told to us by our mother every evening. 2. The Kalahari Desert was explored from 1841 till 1852 by D. Livingston. 3. This ballet will be staged at 15 countries by the famous ballet dancers.

Stories are told by our mum every evening.The Kalahari Desert was explored by D.Livingstone from 1841 till 1852.This ballet will be staged in 15 countries by the famous ballet dancers.