Определить время Past simple или Presetn perfect в предложениях…

Where did you serve during the war? Have you seen much fighting in Ukraine? How long have you remained there? Why were you sent to the Far East? I was wounted.What sort of wound was it? How many times have you been wounded during the war? Were they serious wounds? When were you wounded the last time? How have you been feeling since the army? Why haven't you left the army? Или Why didn't you leave the army? Where have you served lately?