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 continuo
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?
Pretérito continuo
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 perfecto
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 perfecto continuo
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?
Pluscuamperfecto
hadn't I treed? hadn't you treed? hadn't he treed? hadn't we treed? hadn't you treed? hadn't they treed?
Pluscuamperfecto continuo
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 simple
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 continuo
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 perfecto
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 perfecto 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 continuo
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 continuo
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?