So these verbs can have two objects: a direct and indirect? Interesting.
I. 4. Cum navigia insulae adpropinquarent barbari terrore commoti pedem referre conati sunt.
-When the boats were approaching the island the barbarians, moved by terror, tried to retreat.
5. Galli moleste ferebant Romanos agros vastare.
-The Gauls were very annoyed that the Romans were destroying (their) fields. (Is that right?)
6. Caesar sociís imperavit ne finitimis suis bellum inferrent.
-Caesar ordered the allies ...