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 couldn't bog you couldn't bog he couldn't bog we couldn't bog you couldn't bog they couldn't bog
Forma con V-ing
I couldn't be bogging you couldn't be bogging he couldn't be bogging we couldn't be bogging you couldn't be bogging they couldn't be bogging
Perfecto
I couldn't have bogged you couldn't have bogged he couldn't have bogged we couldn't have bogged you couldn't have bogged they couldn't have bogged
Perfecto con V-ing
I couldn't have been bogging you couldn't have been bogging he couldn't have been bogging we couldn't have been bogging you couldn't have been bogging they couldn't 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
couldn't I bog? couldn't you bog? couldn't he bog? couldn't we bog? couldn't you bog? couldn't they bog?
Forma con V-ing
couldn't I be bogging? couldn't you be bogging? couldn't he be bogging? couldn't we be bogging? couldn't you be bogging? couldn't they be bogging?
Perfecto
couldn't I have bogged? couldn't you have bogged? couldn't he have bogged? couldn't we have bogged? couldn't you have bogged? couldn't they have bogged?
Perfecto con V-ing
couldn't I have been bogging? couldn't you have been bogging? couldn't he have been bogging? couldn't we have been bogging? couldn't you have been bogging? couldn't they have been bogging?