#3Present simple-is/are described,learnt,writtenPresent progressive-is/are being described,learnt,writtenPresent Perfect -has/have been described,learnt,writtenPast Simple-was/were described,learnt,writtenPast Progressive-was/were being described,learnt,writtenPast Perfect-had been described,learn t ,writtenFuture SIMPLE-will be described,learnt,written Future Perfect-will have been described ,learnt,writtenFuture Comtinuous в Passive Voice не существует