Как поставить в вопросительную и отрицательную форму, и + поменять отрицательный глагол на v1? ! 1) i went to the mountains last winter. 2) it was my birthday yesterday. 3) my brother was on holiday autumn last year.

1 did I went to the mountains last winter?
2 was it my birthday yesterday?
3 was my brother on holiday autumn last year?
1 I didn't go to the mountains last winter.
2 it was not my birthday yesterday.
3 my brother wasn't on holiday autumn last year.