don't I slip? don't you slip? doesn't he slip? don't we slip? don't you slip? don't they slip?
Presente contínuo
am I not slipping? aren't you slipping? isn't he slipping? aren't we slipping? aren't you slipping? aren't they slipping?
Pretérito
didn't I slip? didn't you slip? didn't he slip? didn't we slip? didn't you slip? didn't they slip?
Preterito contínuo
wasn't I slipping? weren't you slipping? wasn't he slipping? weren't we slipping? weren't you slipping? weren't they slipping?
Presente perfeito
haven't I slipped? haven't you slipped? hasn't he slipped? haven't we slipped? haven't you slipped? haven't they slipped?
Presente perfeito contínuo
haven't I been slipping? haven't you been slipping? hasn't he been slipping? haven't we been slipping? haven't you been slipping? haven't they been slipping?
Mais perfeito
hadn't I slipped? hadn't you slipped? hadn't he slipped? hadn't we slipped? hadn't you slipped? hadn't they slipped?
Contínuo mais perfeito
hadn't I been slipping? hadn't you been slipping? hadn't he been slipping? hadn't we been slipping? hadn't you been slipping? hadn't they been slipping?
Futuro
won't I slip? won't you slip? won't he slip? won't we slip? won't you slip? won't they slip?
Futuro contínuo
won't I be slipping? won't you be slipping? won't he be slipping? won't we be slipping? won't you be slipping? won't they be slipping?
futuro perfeito
won't I have slipped? won't you have slipped? won't he have slipped? won't we have slipped? won't you have slipped? won't they have slipped?
futuro perfeito contínuo
won't I have been slipping? won't you have been slipping? won't he have been slipping? won't we have been slipping? won't you have been slipping? won't they have been slipping?
Condicional
Presente
wouldn't I slip? wouldn't you slip? wouldn't he slip? wouldn't we slip? wouldn't you slip? wouldn't they slip?
Presente contínuo
wouldn't I be slipping? wouldn't you be slipping? wouldn't he be slipping? wouldn't we be slipping? wouldn't you be slipping? wouldn't they be slipping?
Passado
wouldn't I have slipped? wouldn't you have slipped? wouldn't he have slipped? wouldn't we have slipped? wouldn't you have slipped? wouldn't they have slipped?
Passado contínuo
wouldn't I have been slipping? wouldn't you have been slipping? wouldn't he have been slipping? wouldn't we have been slipping? wouldn't you have been slipping? wouldn't they have been slipping?