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