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