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