У кого есть минутка...
Грамматика1) In recent years the volume of the foreign trade has been substantially increased. (Present Perfect Passive Voice) 2) Customs official registration of foreight trains, cars, containers is held at the checkpoints and at the frontier railway station. (Past Simple Passive Voice) 3) Official registration of train crews and the examination of transported freights are being carried out at the moment. (Present Continuous Passive Voice) 4) The introduction of technical aids at the customs was spoken of at the last conference. (Past Simple Passive Voice) Правильно ли я определила временную форму глагола и залог?
