English verb conjugation TO UNDERPIN

Regular verb: underpin - underpinned - underpinned

Indicative

Present

I underpin
you underpin
he underpins
we underpin
you underpin
they underpin

Present continuous

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

Preterite

I underpinned
you underpinned
he underpinned
we underpinned
you underpinned
they underpinned

Preterite continuous

I was underpinning
you were underpinning
he was underpinning
we were underpinning
you were underpinning
they were underpinning

Present perfect

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

Present perfect continuous

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

Pluperfect

I'd underpinned
you'd underpinned
he'd underpinned
we'd underpinned
you'd underpinned
they'd underpinned

Pluperfect continuous

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

Future

I'll underpin
you'll underpin
he'll underpin
we'll underpin
you'll underpin
they'll underpin

Future continuous

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

Future perfect

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

Future perfect continuous

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

Conditional

Present

I'd underpin
you'd underpin
he'd underpin
we'd underpin
you'd underpin
they'd underpin

Present continuous

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

Past

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

Past continuous

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

Imperative

underpin
Let's underpin
underpin

Infinitive

to underpin

Participle

Present

underpinning

Past

underpinned

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