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