Активный или пассивный залог? Помогите пож. 1) Who (build) the Tretyakov Gallery in...

Question

Активный или пассивный залог? Помогите пож.
1) Who (build) the Tretyakov Gallery in Moscow ?
2) The small island ( not, show) on the map
3) Mrs Pitkin ( not, show) me her garden when I came to visit her

Answer 1

1)builds(active)
2)isn't shown(passive)
3)didn't show(active)