I can benefit you can benefit she can benefit we can benefit you can benefit they can benefit
V-ing form
I can be benefiting you can be benefiting she can be benefiting we can be benefiting you can be benefiting they can be benefiting
Perfect
I can have benefited you can have benefited she can have benefited we can have benefited you can have benefited they can have benefited
V-ing perfect
I can have been benefiting you can have been benefiting she can have been benefiting we can have been benefiting you can have been benefiting they can have been benefiting
Negation
Simple form
I cannot benefit you cannot benefit she cannot benefit we cannot benefit you cannot benefit they cannot benefit
V-ing form
I cannot be benefiting you cannot be benefiting she cannot be benefiting we cannot be benefiting you cannot be benefiting they cannot be benefiting
Perfect
I cannot have benefited you cannot have benefited she cannot have benefited we cannot have benefited you cannot have benefited they cannot have benefited
V-ing perfect
I cannot have been benefiting you cannot have been benefiting she cannot have been benefiting we cannot have been benefiting you cannot have been benefiting they cannot have been benefiting
Interrogative form
Simple form
can I benefit? can you benefit? can she benefit? can we benefit? can you benefit? can they benefit?
V-ing form
can I be benefiting? can you be benefiting? can she be benefiting? can we be benefiting? can you be benefiting? can they be benefiting?
Perfect
can I have benefited? can you have benefited? can she have benefited? can we have benefited? can you have benefited? can they have benefited?
V-ing perfect
can I have been benefiting? can you have been benefiting? can she have been benefiting? can we have been benefiting? can you have been benefiting? can they have been benefiting?
Interro-negative form
Simple form
can I not benefit? can you not benefit? can she not benefit? can we not benefit? can you not benefit? can they not benefit?
V-ing form
can I not be benefiting? can you not be benefiting? can she not be benefiting? can we not be benefiting? can you not be benefiting? can they not be benefiting?
Perfect
can I not have benefited? can you not have benefited? can she not have benefited? can we not have benefited? can you not have benefited? can they not have benefited?
V-ing perfect
can I not have been benefiting? can you not have been benefiting? can she not have been benefiting? can we not have been benefiting? can you not have been benefiting? can they not have been benefiting?