Si todavía no has comprendido muy bien cómo se construye una oración pasiva con dos objetos puedes continuar ejercitando con las siguientes frases:

I asked my mum to prepare the breakfast. The firemen had given the victims water and foods. David told me the forbidden secret. Tommy is writing an e-mail to his girlfriend. The secretary sent the clients the bill. Paul had borrowed Jennifer an important document. Peter is writing her a romantic poem. Someone will explain my mother the truth. Kevin offered me a cup of coffee. The old man told us an incredible story. The bartender showed me amazing tricks with bottles. Oscar told his parents terrible news. I had bought a perfect gift to my mother. My boss will not tell the employees his decision. Mary sang me a beautiful song in the park. The artist signed pictures for the fans.