The third movie was undeniably the best.

The distinction between the two voices, active and passive, is easy enough to make. The way you passify a verb is to start out with some form of the auxiliary to be and follow the auxiliary with the past participle of the verb.

I am subject to a tyrant, a sorcerer, that by his cunning hath cheated me of this island.

This group includes various degrees of ineffectivity.