do I tighten? do you tighten? does she tighten? do we tighten? do you tighten? do they tighten?
Presente continuo
am I tightening? are you tightening? is she tightening? are we tightening? are you tightening? are they tightening?
Pretérito
did I tighten? did you tighten? did she tighten? did we tighten? did you tighten? did they tighten?
Pretérito continuo
was I tightening? were you tightening? was she tightening? were we tightening? were you tightening? were they tightening?
Presente perfecto
have I tightened? have you tightened? has she tightened? have we tightened? have you tightened? have they tightened?
Presente perfecto continuo
have I been tightening? have you been tightening? has she been tightening? have we been tightening? have you been tightening? have they been tightening?
Pluscuamperfecto
had I tightened? had you tightened? had she tightened? had we tightened? had you tightened? had they tightened?
Pluscuamperfecto continuo
had I been tightening? had you been tightening? had she been tightening? had we been tightening? had you been tightening? had they been tightening?
Futuro simple
will I tighten? will you tighten? will she tighten? will we tighten? will you tighten? will they tighten?
Futuro continuo
will I be tightening? will you be tightening? will she be tightening? will we be tightening? will you be tightening? will they be tightening?
Futuro perfecto
will I have tightened? will you have tightened? will she have tightened? will we have tightened? will you have tightened? will they have tightened?
Futuro perfecto contínuo
will I have been tightening? will you have been tightening? will she have been tightening? will we have been tightening? will you have been tightening? will they have been tightening?
Condicional
Presente
would I tighten? would you tighten? would she tighten? would we tighten? would you tighten? would they tighten?
Presente continuo
would I be tightening? would you be tightening? would she be tightening? would we be tightening? would you be tightening? would they be tightening?
Passado
would I have tightened? would you have tightened? would she have tightened? would we have tightened? would you have tightened? would they have tightened?
Passado continuo
would I have been tightening? would you have been tightening? would she have been tightening? would we have been tightening? would you have been tightening? would they have been tightening?