Преобразуйте в пассивный залог 1) Sociologists divide families into two general

Sociologists divide families into two general types: the nuclear family and the extended family.

 Families are divided into two general types: the nuclear family and the extended family by sociologists.

In active voice the subject is the doer of the action and in passive voice the subject takes the action. The predicate of passive voice is formed with the help of auxiliary verb to be + the third form of verb. The doer of the action in passive voice is not important. The action is important.