Yesterday we played chess.
Yesterday we didn’t play chess.
Did we play chess yesterday?
I phoned you last month.
I didn’t phone you last month.
Did I phone you last month?
Tom walked his dog in the evening.
Tom didn’t walk his dog in the evening.
Did Tom walk his dog in the evening?
We travelled a lot last year.
We didn’t travel a lot last year.
Did we travel a lot last year?
The teacher opened the window.
The teacher didn’t open the window.
Did teacher open the window?
Մարիա Շոկարյան 