could benefit
Verbo regular: benefit - benefited- benefited

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
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	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	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I couldn't benefit
you couldn't benefit
he couldn't benefit
we couldn't benefit
you couldn't benefit
they couldn't benefit 	I couldn't be benefiting
you couldn't be benefiting
he couldn't be benefiting
we couldn't be benefiting
you couldn't be benefiting
they couldn't be benefiting	I couldn't have benefited
you couldn't have benefited
he couldn't have benefited
we couldn't have benefited
you couldn't have benefited
they couldn't have benefited	I couldn't have been benefiting
you couldn't have been benefiting
he couldn't have been benefiting
we couldn't have been benefiting
you couldn't have been benefiting
they couldn't have been benefiting	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
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? 	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? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
couldn't I benefit?
couldn't you benefit?
couldn't he benefit?
couldn't we benefit?
couldn't you benefit?
couldn't they benefit? 	couldn't I be benefiting?
couldn't you be benefiting?
couldn't he be benefiting?
couldn't we be benefiting?
couldn't you be benefiting?
couldn't they be benefiting? 	couldn't I have benefited?
couldn't you have benefited?
couldn't he have benefited?
couldn't we have benefited?
couldn't you have benefited?
couldn't they have benefited? 	couldn't I have been benefiting?
couldn't you have been benefiting?
couldn't he have been benefiting?
couldn't we have been benefiting?
couldn't you have been benefiting?
couldn't they have been benefiting?