English verb conjugation
COULD BENEFIT

Regular verb: benefit - benefited - benefited

Affirmation

Simple form	V-ing form
I could benefit you could benefit he could benefit we could benefit you could benefit they could benefit	I could be benefiting you could be benefiting he could be benefiting we could be benefiting you could be benefiting they could be benefiting
Perfect	V-ing perfect
I could have benefited you could have benefited he could have benefited we could have benefited you could have benefited they could have benefited	I could have been benefiting you could have been benefiting he could have been benefiting we could have been benefiting you could have been benefiting they could have been benefiting

Negation

Simple form	V-ing form
I could not benefit you could not benefit he could not benefit we could not benefit you could not benefit they could not benefit	I could not be benefiting you could not be benefiting he could not be benefiting we could not be benefiting you could not be benefiting they could not be benefiting
Perfect	V-ing perfect
I could not have benefited you could not have benefited he could not have benefited we could not have benefited you could not have benefited they could not have benefited	I could not have been benefiting you could not have been benefiting he could not have been benefiting we could not have been benefiting you could not have been benefiting they could not have been benefiting

Interrogative form

Simple form	V-ing form
could I benefit? could you benefit? could he benefit? could we benefit? could you benefit? could they benefit?	could I be benefiting? could you be benefiting? could he be benefiting? could we be benefiting? could you be benefiting? could they be benefiting?
Perfect	V-ing perfect
could I have benefited? could you have benefited? could he have benefited? could we have benefited? could you have benefited? could they have benefited?	could I have been benefiting? could you have been benefiting? could he have been benefiting? could we have been benefiting? could you have been benefiting? could they have been benefiting?

Interro-negative form

Simple form	V-ing form
could I not benefit? could you not benefit? could he not benefit? could we not benefit? could you not benefit? could they not benefit?	could I not be benefiting? could you not be benefiting? could he not be benefiting? could we not be benefiting? could you not be benefiting? could they not be benefiting?
Perfect	V-ing perfect
could I not have benefited? could you not have benefited? could he not have benefited? could we not have benefited? could you not have benefited? could they not have benefited?	could I not have been benefiting? could you not have been benefiting? could he not have been benefiting? could we not have been benefiting? could you not have been benefiting? could they not have been benefiting?