don't I certify? don't you certify? doesn't he certify? don't we certify? don't you certify? don't they certify?
Präsentieren Sie kontinuierlich
am I not certifying? aren't you certifying? isn't he certifying? aren't we certifying? aren't you certifying? aren't they certifying?
Präteritum
didn't I certify? didn't you certify? didn't he certify? didn't we certify? didn't you certify? didn't they certify?
Präteritum kontinuierlich
wasn't I certifying? weren't you certifying? wasn't he certifying? weren't we certifying? weren't you certifying? weren't they certifying?
Präsens perfekt
haven't I certified? haven't you certified? hasn't he certified? haven't we certified? haven't you certified? haven't they certified?
Präsens perfekt kontinuierlich
haven't I been certifying? haven't you been certifying? hasn't he been certifying? haven't we been certifying? haven't you been certifying? haven't they been certifying?
Plusquamperfekt
hadn't I certified? hadn't you certified? hadn't he certified? hadn't we certified? hadn't you certified? hadn't they certified?
Pluperfect ununterbrochen
hadn't I been certifying? hadn't you been certifying? hadn't he been certifying? hadn't we been certifying? hadn't you been certifying? hadn't they been certifying?
Futur
won't I certify? won't you certify? won't he certify? won't we certify? won't you certify? won't they certify?
Futur kontinuierlich
won't I be certifying? won't you be certifying? won't he be certifying? won't we be certifying? won't you be certifying? won't they be certifying?
Futur perfekt
won't I have certified? won't you have certified? won't he have certified? won't we have certified? won't you have certified? won't they have certified?
Futur perfekt kontinuierlich
won't I have been certifying? won't you have been certifying? won't he have been certifying? won't we have been certifying? won't you have been certifying? won't they have been certifying?
Bedingt
Präsens
wouldn't I certify? wouldn't you certify? wouldn't he certify? wouldn't we certify? wouldn't you certify? wouldn't they certify?
Präsentieren Sie kontinuierlich
wouldn't I be certifying? wouldn't you be certifying? wouldn't he be certifying? wouldn't we be certifying? wouldn't you be certifying? wouldn't they be certifying?
Perfekt
wouldn't I have certified? wouldn't you have certified? wouldn't he have certified? wouldn't we have certified? wouldn't you have certified? wouldn't they have certified?
Perfekt kontinuierlich
wouldn't I have been certifying? wouldn't you have been certifying? wouldn't he have been certifying? wouldn't we have been certifying? wouldn't you have been certifying? wouldn't they have been certifying?