A long time ago.
When did you...?
Since we started the game.
How long...?
Only once.
How many times have you...?
For a few months.
How long have you...?
Since 2010.
How long...?
Since last night.
How long...?
For a few minutes.
How long...?
Six times.
How many times have you...?
Not yet.
Have you...?
Yesterday.
When did you...?
Last summer.
When did you...?
When I was ten.
When did you...?
Since midnight.
How long have you...?
Three years ago.
When did you...?
Since the weekend.
How long have you...?
For ages.
How long...?