Should this passage use the adjectival or adverbial forms of concurrent and consecutive?
The trial court also sentenced the defendant to five life sentences (with parole) and five 15-year sentences for the non-homicide crimes, all of which were to be served consecutive(ly?) to each other and to the sentence for first degree murder.
Finally, the trial court sentenced the defendant to eleven life sentences (with parole) for the armed criminal actions, with these sentences to be served concurrent(ly?) with the other sentences and to each other.