Задайте специальный и общий вопросы по предложениям: 1)he had washed his hands before he sat down to dinner 2)the watchmaker hadn't cleaned me watch by the time i came

1) Did he wash his hands before he sat down to dinner?
What did he wash his hands before he sat down to dinner?
When did he wash his hands?
2) Has the watchmaker cleaned my watch by the time I came?
What hasn't the watchmaker cleaned by the time I came?
When has the watchmaker cleaned my watch?