English verb conjugation
COULD PROFIT

Regular verb: profit - profited - profited

Affirmation

Simple form	V-ing form
I could profit you could profit he could profit we could profit you could profit they could profit	I could be profiting you could be profiting he could be profiting we could be profiting you could be profiting they could be profiting
Perfect	V-ing perfect
I could have profited you could have profited he could have profited we could have profited you could have profited they could have profited	I could have been profiting you could have been profiting he could have been profiting we could have been profiting you could have been profiting they could have been profiting

Negation

Simple form	V-ing form
I could not profit you could not profit he could not profit we could not profit you could not profit they could not profit	I could not be profiting you could not be profiting he could not be profiting we could not be profiting you could not be profiting they could not be profiting
Perfect	V-ing perfect
I could not have profited you could not have profited he could not have profited we could not have profited you could not have profited they could not have profited	I could not have been profiting you could not have been profiting he could not have been profiting we could not have been profiting you could not have been profiting they could not have been profiting

Interrogative form

Simple form	V-ing form
could I profit? could you profit? could he profit? could we profit? could you profit? could they profit?	could I be profiting? could you be profiting? could he be profiting? could we be profiting? could you be profiting? could they be profiting?
Perfect	V-ing perfect
could I have profited? could you have profited? could he have profited? could we have profited? could you have profited? could they have profited?	could I have been profiting? could you have been profiting? could he have been profiting? could we have been profiting? could you have been profiting? could they have been profiting?

Interro-negative form

Simple form	V-ing form
could I not profit? could you not profit? could he not profit? could we not profit? could you not profit? could they not profit?	could I not be profiting? could you not be profiting? could he not be profiting? could we not be profiting? could you not be profiting? could they not be profiting?
Perfect	V-ing perfect
could I not have profited? could you not have profited? could he not have profited? could we not have profited? could you not have profited? could they not have profited?	could I not have been profiting? could you not have been profiting? could he not have been profiting? could we not have been profiting? could you not have been profiting? could they not have been profiting?