A VERB AFFIRMATIVELY, NEGATIVELY, AND INTERROGATIVELY CONJUGATED.

I recompense, or do recompense. Recompenso.
I do not recompense.  {Yo no recompenso, or
 {No recompenso.
Do I recompense?  {¿Recompenso? or
 {¿Recompenso yo?
Do I not recompense?  {¿No recompenso?
 {¿No recompenso yo?
I have corresponded. He correspondido.
I have not corresponded. No he correspondido.
Have I corresponded?  {¿He correspondido? or
 {¿He correspondido yo?
Have I not corresponded? ¿No he correspondido yo?