What is active periphrastic conjugation?
Noun. (grammar) A conjugation formed by the use of the simple verb with one or more auxiliaries. The active periphrastic conjugation in Latin is formed by using the future active participle and the appropriate form of "esse".
How do you identify a passive periphrastic?
It always has the same structure: subject + gerundive + the verb esse (declinated appropriately) + dative of agent. When translating the subject becomes the object, the verb will include some form of "must","need to" or "have to", the dative becomes the subject.