Did you go to the mountains last winter?
Did you go to the mountains last winter or summer?
Where did you go last winter?
I went to the mountains last winter, aren't I?
Who went to the mountains last winter?
Was it your birthday yesterday?
Was it your birthday yesterday or the day before yesterday?
When was it your birthday?
It was your birthday yesterday, wasn't it?
What was it yesterday?
Was my brother on holiday in autumn last
year?
Was my brother on holiday in autumn or in spring last year?
When was my brother on holiday?
My brother was on holiday in autumn last year, wasn't he?
Who was on holiday in autumn last year?