Превратите в активный залог: Thieves stole a very expansive picture I will buy some flowers for my mum

1. Thieves stole a very expensive picture.

2. I will buy some flowers for my mum. 

3. They brought a lot of beautiful toys for my children.

4. I will send some messages to my friends. 

5. They will comment on the current events.

6. They wrote a letter of application.