don't I blacken? don't you blacken? doesn't she 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 she blackening? aren't we blackening? aren't you blackening? aren't they blackening?
Pretérito
didn't I blacken? didn't you blacken? didn't she 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 she 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 she 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 she 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 she 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 she 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 she 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 she 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 she 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 she 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 she 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 she 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 she 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 she have been blackening? wouldn't we have been blackening? wouldn't you have been blackening? wouldn't they have been blackening?