I could approve you could approve she could approve we could approve you could approve they could approve
Forma con V-ing
I could be approving you could be approving she could be approving we could be approving you could be approving they could be approving
Perfecto
I could have approved you could have approved she could have approved we could have approved you could have approved they could have approved
Perfecto con V-ing
I could have been approving you could have been approving she could have been approving we could have been approving you could have been approving they could have been approving
Negación
Forma simple
I could not approve you could not approve she could not approve we could not approve you could not approve they could not approve
Forma con V-ing
I could not be approving you could not be approving she could not be approving we could not be approving you could not be approving they could not be approving
Perfecto
I could not have approved you could not have approved she could not have approved we could not have approved you could not have approved they could not have approved
Perfecto con V-ing
I could not have been approving you could not have been approving she could not have been approving we could not have been approving you could not have been approving they could not have been approving
Forma interrogativa
Forma simple
could I approve? could you approve? could she approve? could we approve? could you approve? could they approve?
Forma con V-ing
could I be approving? could you be approving? could she be approving? could we be approving? could you be approving? could they be approving?
Perfecto
could I have approved? could you have approved? could she have approved? could we have approved? could you have approved? could they have approved?
Perfecto con V-ing
could I have been approving? could you have been approving? could she have been approving? could we have been approving? could you have been approving? could they have been approving?
Forma interro-negativa
Forma simple
could I not approve? could you not approve? could she not approve? could we not approve? could you not approve? could they not approve?
Forma con V-ing
could I not be approving? could you not be approving? could she not be approving? could we not be approving? could you not be approving? could they not be approving?
Perfecto
could I not have approved? could you not have approved? could she not have approved? could we not have approved? could you not have approved? could they not have approved?
Perfecto con V-ing
could I not have been approving? could you not have been approving? could she not have been approving? could we not have been approving? could you not have been approving? could they not have been approving?