пассивный залог 1)When two trains meet, people lift one of them

Пассивный залог
1)When two trains meet, people lift one of them off the track
When two trains meet, one of them ------------
2) Bamboor trains are cheaper than ordinary trains.
Ordinary trains arent ------------
3) People carry this train round the other one.
This train--------------------
4) Bamboor trains are more popular than ordinary trains.
Ordinary trains---------