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 couldn't profit you couldn't profit he couldn't profit we couldn't profit you couldn't profit they couldn't profit	I couldn't be profiting you couldn't be profiting he couldn't be profiting we couldn't be profiting you couldn't be profiting they couldn't be profiting
Perfect	V-ing perfect
I couldn't have profited you couldn't have profited he couldn't have profited we couldn't have profited you couldn't have profited they couldn't have profited	I couldn't have been profiting you couldn't have been profiting he couldn't have been profiting we couldn't have been profiting you couldn't have been profiting they couldn't 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
couldn't I profit? couldn't you profit? couldn't he profit? couldn't we profit? couldn't you profit? couldn't they profit?	couldn't I be profiting? couldn't you be profiting? couldn't he be profiting? couldn't we be profiting? couldn't you be profiting? couldn't they be profiting?
Perfect	V-ing perfect
couldn't I have profited? couldn't you have profited? couldn't he have profited? couldn't we have profited? couldn't you have profited? couldn't they have profited?	couldn't I have been profiting? couldn't you have been profiting? couldn't he have been profiting? couldn't we have been profiting? couldn't you have been profiting? couldn't they have been profiting?