1. Did Miss Martha keep a little bakery on the corner?
Who kept a little bakery on the corner?
Where did Miss Martha keep a little bakery on the corner?
Miss Martha kept a little bakery on the corner, didn't she?
Did Miss Martha keep a little bakery or a bookshop on the corner?
2. Was somebody knocking at the door loudly?
Who was knocking at the door loudly?
How was somebody knocking at the door?
Somebody was knocking at the door loudly, wasn't he?
Was somebody knocking at the door or at the window loudly?