I could flash you could flash she could flash we could flash you could flash they could flash
Forma con V-ing
I could be flashing you could be flashing she could be flashing we could be flashing you could be flashing they could be flashing
Perfecto
I could have flashed you could have flashed she could have flashed we could have flashed you could have flashed they could have flashed
Perfecto con V-ing
I could have been flashing you could have been flashing she could have been flashing we could have been flashing you could have been flashing they could have been flashing
Negación
Forma simple
I could not flash you could not flash she could not flash we could not flash you could not flash they could not flash
Forma con V-ing
I could not be flashing you could not be flashing she could not be flashing we could not be flashing you could not be flashing they could not be flashing
Perfecto
I could not have flashed you could not have flashed she could not have flashed we could not have flashed you could not have flashed they could not have flashed
Perfecto con V-ing
I could not have been flashing you could not have been flashing she could not have been flashing we could not have been flashing you could not have been flashing they could not have been flashing
Forma interrogativa
Forma simple
could I flash? could you flash? could she flash? could we flash? could you flash? could they flash?
Forma con V-ing
could I be flashing? could you be flashing? could she be flashing? could we be flashing? could you be flashing? could they be flashing?
Perfecto
could I have flashed? could you have flashed? could she have flashed? could we have flashed? could you have flashed? could they have flashed?
Perfecto con V-ing
could I have been flashing? could you have been flashing? could she have been flashing? could we have been flashing? could you have been flashing? could they have been flashing?
Forma interro-negativa
Forma simple
could I not flash? could you not flash? could she not flash? could we not flash? could you not flash? could they not flash?
Forma con V-ing
could I not be flashing? could you not be flashing? could she not be flashing? could we not be flashing? could you not be flashing? could they not be flashing?
Perfecto
could I not have flashed? could you not have flashed? could she not have flashed? could we not have flashed? could you not have flashed? could they not have flashed?
Perfecto con V-ing
could I not have been flashing? could you not have been flashing? could she not have been flashing? could we not have been flashing? could you not have been flashing? could they not have been flashing?