English verb conjugation
TO UNDERPIN
Regular verb: underpin - underpinned - underpinned
Present | Present continuous | Preterite | Preterite continuous |
| I underpin you underpin he underpins we underpin you underpin they underpin | I'm underpinning you're underpinning he's underpinning we're underpinning you're underpinning they're underpinning | I underpinned you underpinned he underpinned we underpinned you underpinned they underpinned | I was underpinning you were underpinning he was underpinning we were underpinning you were underpinning they were underpinning |
Present perfect | Present perfect continuous | Pluperfect | Pluperfect continuous |
| I've underpinned you've underpinned he's underpinned we've underpinned you've underpinned they've underpinned | I've been underpinning you've been underpinning he's been underpinning we've been underpinning you've been underpinning they've been underpinning | I'd underpinned you'd underpinned he'd underpinned we'd underpinned you'd underpinned they'd underpinned | 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 | Future continuous | Future perfect | Future perfect continuous |
| I'll underpin you'll underpin he'll underpin we'll underpin you'll underpin they'll underpin | I'll be underpinning you'll be underpinning he'll be underpinning we'll be underpinning you'll be underpinning they'll be underpinning | I'll have underpinned you'll have underpinned he'll have underpinned we'll have underpinned you'll have underpinned they'll have underpinned | 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 |
Present | Present continuous | Past | Past continuous |
| I'd underpin you'd underpin he'd underpin we'd underpin you'd underpin they'd underpin | I'd be underpinning you'd be underpinning he'd be underpinning we'd be underpinning you'd be underpinning they'd be underpinning | I'd have underpinned you'd have underpinned he'd have underpinned we'd have underpinned you'd have underpinned they'd have underpinned | 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 |
Infinitive | Imperative |
Infinitive | Imperative | ||
| to underpin | underpin Let's underpin underpin |
Present | Past | ||
| underpinning | underpinned |