A) The carpenters won't have been allowed to return from abroad by June.
Will he carpenters have been allowed to return from abroad by June?
B) A cartoon isn't being watched in cinemas.
Is a cartoon being watched in cinemas?
C)Our leading engineer's daughter hasn't been adopted.
Has our leading engineer's daughter been adopted?
D) Zvorykin wasn't known as a great scientist.
Was Zvorykin known as a great scientist?