English verb conjugation SHOULD PREASCERTAIN

Regular verb: preascertain - preascertained - preascertained

Affirmation

Simple form

I'd preascertain
you'd preascertain
she'd preascertain
we'd preascertain
you'd preascertain
they'd preascertain

V-ing form

I'd be preascertaining
you'd be preascertaining
she'd be preascertaining
we'd be preascertaining
you'd be preascertaining
they'd be preascertaining

Perfect

I should've preascertained
you should've preascertained
she should've preascertained
we should've preascertained
you should've preascertained
they should've preascertained

V-ing perfect

I should've been preascertaining
you should've been preascertaining
she should've been preascertaining
we should've been preascertaining
you should've been preascertaining
they should've been preascertaining

Negation

Simple form

I shouldn't preascertain
you shouldn't preascertain
she shouldn't preascertain
we shouldn't preascertain
you shouldn't preascertain
they shouldn't preascertain

V-ing form

I shouldn't be preascertaining
you shouldn't be preascertaining
she shouldn't be preascertaining
we shouldn't be preascertaining
you shouldn't be preascertaining
they shouldn't be preascertaining

Perfect

I shouldn't have preascertained
you shouldn't have preascertained
she shouldn't have preascertained
we shouldn't have preascertained
you shouldn't have preascertained
they shouldn't have preascertained

V-ing perfect

I shouldn't have been preascertaining
you shouldn't have been preascertaining
she shouldn't have been preascertaining
we shouldn't have been preascertaining
you shouldn't have been preascertaining
they shouldn't have been preascertaining

Interrogative form

Simple form

should I preascertain?
should you preascertain?
should she preascertain?
should we preascertain?
should you preascertain?
should they preascertain?

V-ing form

should I be preascertaining?
should you be preascertaining?
should she be preascertaining?
should we be preascertaining?
should you be preascertaining?
should they be preascertaining?

Perfect

should I have preascertained?
should you have preascertained?
should she have preascertained?
should we have preascertained?
should you have preascertained?
should they have preascertained?

V-ing perfect

should I have been preascertaining?
should you have been preascertaining?
should she have been preascertaining?
should we have been preascertaining?
should you have been preascertaining?
should they have been preascertaining?

Interro-negative form

Simple form

shouldn't I preascertain?
shouldn't you preascertain?
shouldn't she preascertain?
shouldn't we preascertain?
shouldn't you preascertain?
shouldn't they preascertain?

V-ing form

shouldn't I be preascertaining?
shouldn't you be preascertaining?
shouldn't she be preascertaining?
shouldn't we be preascertaining?
shouldn't you be preascertaining?
shouldn't they be preascertaining?

Perfect

shouldn't I have preascertained?
shouldn't you have preascertained?
shouldn't she have preascertained?
shouldn't we have preascertained?
shouldn't you have preascertained?
shouldn't they have preascertained?

V-ing perfect

shouldn't I have been preascertaining?
shouldn't you have been preascertaining?
shouldn't she have been preascertaining?
shouldn't we have been preascertaining?
shouldn't you have been preascertaining?
shouldn't they have been preascertaining?

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