I could bog you could bog he could bog we could bog you could bog they could bog
Forma con V-ing
I could be bogging you could be bogging he could be bogging we could be bogging you could be bogging they could be bogging
Perfecto
I could have bogged you could have bogged he could have bogged we could have bogged you could have bogged they could have bogged
Perfecto con V-ing
I could have been bogging you could have been bogging he could have been bogging we could have been bogging you could have been bogging they could have been bogging
Negación
Forma simple
I could not bog you could not bog he could not bog we could not bog you could not bog they could not bog
Forma con V-ing
I could not be bogging you could not be bogging he could not be bogging we could not be bogging you could not be bogging they could not be bogging
Perfecto
I could not have bogged you could not have bogged he could not have bogged we could not have bogged you could not have bogged they could not have bogged
Perfecto con V-ing
I could not have been bogging you could not have been bogging he could not have been bogging we could not have been bogging you could not have been bogging they could not have been bogging
Forma interrogativa
Forma simple
could I bog? could you bog? could he bog? could we bog? could you bog? could they bog?
Forma con V-ing
could I be bogging? could you be bogging? could he be bogging? could we be bogging? could you be bogging? could they be bogging?
Perfecto
could I have bogged? could you have bogged? could he have bogged? could we have bogged? could you have bogged? could they have bogged?
Perfecto con V-ing
could I have been bogging? could you have been bogging? could he have been bogging? could we have been bogging? could you have been bogging? could they have been bogging?
Forma interro-negativa
Forma simple
could I not bog? could you not bog? could he not bog? could we not bog? could you not bog? could they not bog?
Forma con V-ing
could I not be bogging? could you not be bogging? could he not be bogging? could we not be bogging? could you not be bogging? could they not be bogging?
Perfecto
could I not have bogged? could you not have bogged? could he not have bogged? could we not have bogged? could you not have bogged? could they not have bogged?
Perfecto con V-ing
could I not have been bogging? could you not have been bogging? could he not have been bogging? could we not have been bogging? could you not have been bogging? could they not have been bogging?