English verb conjugation TO ASCERTAIN

Regular verb: ascertain - ascertained - ascertained

Indicative

Present

I ascertain
you ascertain
he ascertains
we ascertain
you ascertain
they ascertain

Present continuous

I'm ascertaining
you're ascertaining
he's ascertaining
we're ascertaining
you're ascertaining
they're ascertaining

Preterite

I ascertained
you ascertained
he ascertained
we ascertained
you ascertained
they ascertained

Preterite continuous

I was ascertaining
you were ascertaining
he was ascertaining
we were ascertaining
you were ascertaining
they were ascertaining

Present perfect

I've ascertained
you've ascertained
he's ascertained
we've ascertained
you've ascertained
they've ascertained

Present perfect continuous

I've been ascertaining
you've been ascertaining
he's been ascertaining
we've been ascertaining
you've been ascertaining
they've been ascertaining

Pluperfect

I'd ascertained
you'd ascertained
he'd ascertained
we'd ascertained
you'd ascertained
they'd ascertained

Pluperfect continuous

I'd been ascertaining
you'd been ascertaining
he'd been ascertaining
we'd been ascertaining
you'd been ascertaining
they'd been ascertaining

Future

I'll ascertain
you'll ascertain
he'll ascertain
we'll ascertain
you'll ascertain
they'll ascertain

Future continuous

I'll be ascertaining
you'll be ascertaining
he'll be ascertaining
we'll be ascertaining
you'll be ascertaining
they'll be ascertaining

Future perfect

I'll have ascertained
you'll have ascertained
he'll have ascertained
we'll have ascertained
you'll have ascertained
they'll have ascertained

Future perfect continuous

I'll have been ascertaining
you'll have been ascertaining
he'll have been ascertaining
we'll have been ascertaining
you'll have been ascertaining
they'll have been ascertaining

Conditional

Present

I'd ascertain
you'd ascertain
he'd ascertain
we'd ascertain
you'd ascertain
they'd ascertain

Present continuous

I'd be ascertaining
you'd be ascertaining
he'd be ascertaining
we'd be ascertaining
you'd be ascertaining
they'd be ascertaining

Past

I'd have ascertained
you'd have ascertained
he'd have ascertained
we'd have ascertained
you'd have ascertained
they'd have ascertained

Past continuous

I'd have been ascertaining
you'd have been ascertaining
he'd have been ascertaining
we'd have been ascertaining
you'd have been ascertaining
they'd have been ascertaining

Imperative

ascertain
Let's ascertain
ascertain

Infinitive

to ascertain

Participle

Present

ascertaining

Past

ascertained

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