English verb conjugation
TO PREASCERTAIN

Regular verb: preascertain - preascertained - preascertained

Indicative

Present	Present continuous	Preterite	Preterite continuous
don't I preascertain? don't you preascertain? doesn't he preascertain? don't we preascertain? don't you preascertain? don't they preascertain?	am I not preascertaining? aren't you preascertaining? isn't he preascertaining? aren't we preascertaining? aren't you preascertaining? aren't they preascertaining?	didn't I preascertain? didn't you preascertain? didn't he preascertain? didn't we preascertain? didn't you preascertain? didn't they preascertain?	wasn't I preascertaining? weren't you preascertaining? wasn't he preascertaining? weren't we preascertaining? weren't you preascertaining? weren't they preascertaining?
Present perfect	Present perfect continuous	Pluperfect	Pluperfect continuous
haven't I preascertained? haven't you preascertained? hasn't he preascertained? haven't we preascertained? haven't you preascertained? haven't they preascertained?	haven't I been preascertaining? haven't you been preascertaining? hasn't he been preascertaining? haven't we been preascertaining? haven't you been preascertaining? haven't they been preascertaining?	hadn't I preascertained? hadn't you preascertained? hadn't he preascertained? hadn't we preascertained? hadn't you preascertained? hadn't they preascertained?	hadn't I been preascertaining? hadn't you been preascertaining? hadn't he been preascertaining? hadn't we been preascertaining? hadn't you been preascertaining? hadn't they been preascertaining?
Future	Future continuous	Future perfect	Future perfect continuous
won't I preascertain? won't you preascertain? won't he preascertain? won't we preascertain? won't you preascertain? won't they preascertain?	won't I be preascertaining? won't you be preascertaining? won't he be preascertaining? won't we be preascertaining? won't you be preascertaining? won't they be preascertaining?	won't I have preascertained? won't you have preascertained? won't he have preascertained? won't we have preascertained? won't you have preascertained? won't they have preascertained?	won't I have been preascertaining? won't you have been preascertaining? won't he have been preascertaining? won't we have been preascertaining? won't you have been preascertaining? won't they have been preascertaining?

Conditional

Present	Present continuous	Past	Past continuous
wouldn't I preascertain? wouldn't you preascertain? wouldn't he preascertain? wouldn't we preascertain? wouldn't you preascertain? wouldn't they preascertain?	wouldn't I be preascertaining? wouldn't you be preascertaining? wouldn't he be preascertaining? wouldn't we be preascertaining? wouldn't you be preascertaining? wouldn't they be preascertaining?	wouldn't I have preascertained? wouldn't you have preascertained? wouldn't he have preascertained? wouldn't we have preascertained? wouldn't you have preascertained? wouldn't they have preascertained?	wouldn't I have been preascertaining? wouldn't you have been preascertaining? wouldn't he have been preascertaining? wouldn't we have been preascertaining? wouldn't you have been preascertaining? wouldn't they have been preascertaining?

Infinitive

Imperative

Infinitive		Imperative
to preascertain		- - -

Participle

Present	Past
preascertaining	preascertained