do I blacken? do you blacken? does he blacken? do we blacken? do you blacken? do they blacken?
Presente continuo
am I blackening? are you blackening? is he blackening? are we blackening? are you blackening? are they blackening?
Pretérito
did I blacken? did you blacken? did he blacken? did we blacken? did you blacken? did they blacken?
Pretérito continuo
was I blackening? were you blackening? was he blackening? were we blackening? were you blackening? were they blackening?
Presente perfecto
have I blackened? have you blackened? has he blackened? have we blackened? have you blackened? have they blackened?
Presente perfecto continuo
have I been blackening? have you been blackening? has he been blackening? have we been blackening? have you been blackening? have they been blackening?
Pluscuamperfecto
had I blackened? had you blackened? had he blackened? had we blackened? had you blackened? had they blackened?
Pluscuamperfecto continuo
had I been blackening? had you been blackening? had he been blackening? had we been blackening? had you been blackening? had they been blackening?
Futuro simple
will I blacken? will you blacken? will he blacken? will we blacken? will you blacken? will they blacken?
Futuro continuo
will I be blackening? will you be blackening? will he be blackening? will we be blackening? will you be blackening? will they be blackening?
Futuro perfecto
will I have blackened? will you have blackened? will he have blackened? will we have blackened? will you have blackened? will they have blackened?
Futuro perfecto contínuo
will I have been blackening? will you have been blackening? will he have been blackening? will we have been blackening? will you have been blackening? will they have been blackening?
Condicional
Presente
would I blacken? would you blacken? would he blacken? would we blacken? would you blacken? would they blacken?
Presente continuo
would I be blackening? would you be blackening? would he be blackening? would we be blackening? would you be blackening? would they be blackening?
Passado
would I have blackened? would you have blackened? would he have blackened? would we have blackened? would you have blackened? would they have blackened?
Passado continuo
would I have been blackening? would you have been blackening? would he have been blackening? would we have been blackening? would you have been blackening? would they have been blackening?