don't I engineer? don't you engineer? doesn't he engineer? don't we engineer? don't you engineer? don't they engineer?
Présent continu
am I not engineering? aren't you engineering? isn't he engineering? aren't we engineering? aren't you engineering? aren't they engineering?
Prétérit
didn't I engineer? didn't you engineer? didn't he engineer? didn't we engineer? didn't you engineer? didn't they engineer?
Prétérit
wasn't I engineering? weren't you engineering? wasn't he engineering? weren't we engineering? weren't you engineering? weren't they engineering?
Present perfect
haven't I engineered? haven't you engineered? hasn't he engineered? haven't we engineered? haven't you engineered? haven't they engineered?
Present perfect continu
haven't I been engineering? haven't you been engineering? hasn't he been engineering? haven't we been engineering? haven't you been engineering? haven't they been engineering?
Pluperfect
hadn't I engineered? hadn't you engineered? hadn't he engineered? hadn't we engineered? hadn't you engineered? hadn't they engineered?
Pluperfect continu
hadn't I been engineering? hadn't you been engineering? hadn't he been engineering? hadn't we been engineering? hadn't you been engineering? hadn't they been engineering?
Futur
won't I engineer? won't you engineer? won't he engineer? won't we engineer? won't you engineer? won't they engineer?
Futur continu
won't I be engineering? won't you be engineering? won't he be engineering? won't we be engineering? won't you be engineering? won't they be engineering?
Futur antérieur
won't I have engineered? won't you have engineered? won't he have engineered? won't we have engineered? won't you have engineered? won't they have engineered?
Futur antérieur continu
won't I have been engineering? won't you have been engineering? won't he have been engineering? won't we have been engineering? won't you have been engineering? won't they have been engineering?
Conditionnel
Présent
wouldn't I engineer? wouldn't you engineer? wouldn't he engineer? wouldn't we engineer? wouldn't you engineer? wouldn't they engineer?
Présent continu
wouldn't I be engineering? wouldn't you be engineering? wouldn't he be engineering? wouldn't we be engineering? wouldn't you be engineering? wouldn't they be engineering?
Passé
wouldn't I have engineered? wouldn't you have engineered? wouldn't he have engineered? wouldn't we have engineered? wouldn't you have engineered? wouldn't they have engineered?
Passé continu
wouldn't I have been engineering? wouldn't you have been engineering? wouldn't he have been engineering? wouldn't we have been engineering? wouldn't you have been engineering? wouldn't they have been engineering?