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 contínuo
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?
Preterito contínuo
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 perfeito
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 perfeito contínuo
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?
Mais perfeito
hadn't I unbuttoned? hadn't you unbuttoned? hadn't he unbuttoned? hadn't we unbuttoned? hadn't you unbuttoned? hadn't they unbuttoned?
Contínuo mais perfeito
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
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 contínuo
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 perfeito
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 perfeito 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 contínuo
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 contínuo
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?