Change into passive voice: Nobody has ever treated me with such kindness

Change into passive voice
1. Nobody has ever treated me with such kindness.
→ ............................................................................
2. They haven’t called my name
→ ............................................................................
3. Has she written a poem?
→ ............................................................................
4. Has your mother made a big cake for the next party?
→ ............................................................................
5. Has Tom finished the work?
→ ............................................................................
6. have they changed the window of the laboratory?
→ ............................................................................