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