4 типа вопроса к предложению: I usually get up at 7 o’clock

Question

4 типа вопроса к предложению: I usually get up at 7 o’clock

Answer 1

When do I usually get up?
I usually get up at 7 o'clock, don't it?
Do I usually get up at 7 o'clock?
Who do usually get up at 7 o'clock?