don't I blacken? don't you blacken? doesn't he blacken? don't we blacken? don't you blacken? don't they blacken?
Presente continuo
am I not blackening? aren't you blackening? isn't he blackening? aren't we blackening? aren't you blackening? aren't they blackening?
Pretérito
didn't I blacken? didn't you blacken? didn't he blacken? didn't we blacken? didn't you blacken? didn't they blacken?
Pretérito continuo
wasn't I blackening? weren't you blackening? wasn't he blackening? weren't we blackening? weren't you blackening? weren't they blackening?
Presente perfecto
haven't I blackened? haven't you blackened? hasn't he blackened? haven't we blackened? haven't you blackened? haven't they blackened?
Presente perfecto continuo
haven't I been blackening? haven't you been blackening? hasn't he been blackening? haven't we been blackening? haven't you been blackening? haven't they been blackening?
Pluscuamperfecto
hadn't I blackened? hadn't you blackened? hadn't he blackened? hadn't we blackened? hadn't you blackened? hadn't they blackened?
Pluscuamperfecto continuo
hadn't I been blackening? hadn't you been blackening? hadn't he been blackening? hadn't we been blackening? hadn't you been blackening? hadn't they been blackening?
Futuro simple
won't I blacken? won't you blacken? won't he blacken? won't we blacken? won't you blacken? won't they blacken?
Futuro continuo
won't I be blackening? won't you be blackening? won't he be blackening? won't we be blackening? won't you be blackening? won't they be blackening?
Futuro perfecto
won't I have blackened? won't you have blackened? won't he have blackened? won't we have blackened? won't you have blackened? won't they have blackened?
Futuro perfecto contínuo
won't I have been blackening? won't you have been blackening? won't he have been blackening? won't we have been blackening? won't you have been blackening? won't they have been blackening?
Condicional
Presente
wouldn't I blacken? wouldn't you blacken? wouldn't he blacken? wouldn't we blacken? wouldn't you blacken? wouldn't they blacken?
Presente continuo
wouldn't I be blackening? wouldn't you be blackening? wouldn't he be blackening? wouldn't we be blackening? wouldn't you be blackening? wouldn't they be blackening?
Passado
wouldn't I have blackened? wouldn't you have blackened? wouldn't he have blackened? wouldn't we have blackened? wouldn't you have blackened? wouldn't they have blackened?
Passado continuo
wouldn't I have been blackening? wouldn't you have been blackening? wouldn't he have been blackening? wouldn't we have been blackening? wouldn't you have been blackening? wouldn't they have been blackening?