Cual es la voz pasiva de los siguientes textos?

Cual es la voz pasiva de los siguientes textos. TEXT 3 Somebody has stolen a bus from outside the school. Some children saw the thief. The police are searching for the bus now. They will use the children's descriptions to catch the thief. TEXT 4 : Somebody has stolen a lady's bag near a high - school this afternoon. The students saw the robber and told the police. They are looking for him now. They will use the children’s descriptions to catch the man as soon as possible. TEXT 5 : Someone broke into a clothes shop last week. The owner was locking up the shop when a robber with a gun threatened her. The robber told her to open the door and give him all the money from the till. Then the robber tied the woman up. The police hope they will find him in a few days. Doctors are treating the owner of the shop for shock at the local hospital.