Je dirais que c'est :
Pour le 1 :
1) The visitors were been taken to the ticket office when it happened.
2) Mike was asked why [by somebody].
3) The chairs will be painted by Tom next week.
4) English is being spoken at the moment.
Pour le 2 :
1) She has been attacked two days ago.
2) They were not tested on the animals yet.
3) A solution will be found.
4) The Hi-Fi has been sold last week.
5) It is the first time he is seen with her.