He sat down on his board and moved slowly towards the beach.
Общий: Did he sit on his board and move slowly towards the beach?
Разделительный: He sat down on his board and moved slowly towards the beach, didn't he?
Альтернативный: Did he sit or lie down on his board and move slowly towards the beach?
Специальный: What did he move slowly towards?
Вопрос к подлежащему: Who sat down on the board and moved slowly towards the beach?