I could mow you could mow she could mow we could mow you could mow they could mow
Forma con V-ing
I could be mowing you could be mowing she could be mowing we could be mowing you could be mowing they could be mowing
Perfecto
I could have mown you could have mown she could have mown we could have mown you could have mown they could have mown
Perfecto con V-ing
I could have been mowing you could have been mowing she could have been mowing we could have been mowing you could have been mowing they could have been mowing
Negación
Forma simple
I could not mow you could not mow she could not mow we could not mow you could not mow they could not mow
Forma con V-ing
I could not be mowing you could not be mowing she could not be mowing we could not be mowing you could not be mowing they could not be mowing
Perfecto
I could not have mown you could not have mown she could not have mown we could not have mown you could not have mown they could not have mown
Perfecto con V-ing
I could not have been mowing you could not have been mowing she could not have been mowing we could not have been mowing you could not have been mowing they could not have been mowing
Forma interrogativa
Forma simple
could I mow? could you mow? could she mow? could we mow? could you mow? could they mow?
Forma con V-ing
could I be mowing? could you be mowing? could she be mowing? could we be mowing? could you be mowing? could they be mowing?
Perfecto
could I have mown? could you have mown? could she have mown? could we have mown? could you have mown? could they have mown?
Perfecto con V-ing
could I have been mowing? could you have been mowing? could she have been mowing? could we have been mowing? could you have been mowing? could they have been mowing?
Forma interro-negativa
Forma simple
could I not mow? could you not mow? could she not mow? could we not mow? could you not mow? could they not mow?
Forma con V-ing
could I not be mowing? could you not be mowing? could she not be mowing? could we not be mowing? could you not be mowing? could they not be mowing?
Perfecto
could I not have mown? could you not have mown? could she not have mown? could we not have mown? could you not have mown? could they not have mown?
Perfecto con V-ing
could I not have been mowing? could you not have been mowing? could she not have been mowing? could we not have been mowing? could you not have been mowing? could they not have been mowing?