Répondre :
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.
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Voilà.
Ex.1:
1) they were been take the visitors to the ticket office when it happened
2) somebody were been ask why to Mike.
3) the chairs will be painted by Tom.
4) they talked about English at the moment.
Ex.2:
1) she has been attack there was two days.
2) they weren't test on the animals.
3) we will find a solution.
4) the stereo has been sold last week.
5) this is the first time he is see with her.