1. You mustn't feed the animals in the zoo. ALLOWED
You aren`t allowed to feed the animals in he zoo.
2. Paul has got the same number of pets as Tim. AS
Tim has got as many pets as Paul.
3.I'm sure that wasn't Steve. BEEN
That couldn`t have been Steve.
4. IT's a pity he has a fear of dogs. ONLY
If only he wouldn't have a fear of dogs( если относится к будущему)
5.I didn't go on the trip because I caught a cold. GONE
If I hadn't caught a cold I would have gone on the trip
6.They usually hire new employees in the autumn. HIRED
Most of the new employees are hired by them in the autumn