A Someone gave her a little dog (active voice). / She was given a little dog (passive voice) / A little dog was given to her (passive voice).
B People have seen bats in this neighborhood (active voice). / Bats have been seen in the neighborhood (passive voice). / Bats have being seen in the neighborhood (passive voice).
C They wrote him an e-mail (active voice). / An e-mail wrote to him (passive voice). / He was written an e-mail (passive voice).
D They are repairing the road (active voice). / The road is being repaired (passive voice). / The road was being repaired (passive voice).