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