Подчеркните сказуемое и определите чем выражено каждое сказуемое (время, группа и залог глагола): 1. in recent years much attention has been paid to the automation of television networks. 2. in the early days of telegraphy direct current was used. 3. the use of electronics will expand the limits of communication.

1. In recent years much attention has been paid (pres perf pass) to the automation of television networks.
2. In the early days of telegraphy direct current was used (past simp pass).
3. The use of electronics will expand (fut simp act) the limits of communication.