to underpin
Verbe régulier : underpin - underpinned- underpinned
Traduction française : soutenir - étayer 

Indicatif 	
Présent 	Présent continu 	Prétérit 	Prétérit continu 	
I underpin
you underpin
he underpins
we underpin
you underpin
they underpin 	I'munderpinning
you'reunderpinning
he'sunderpinning
we'reunderpinning
you'reunderpinning
they'reunderpinning	I underpinned
you underpinned
he underpinned
we underpinned
you underpinned
they underpinned	Iwasunderpinning
youwereunderpinning
hewasunderpinning
wewereunderpinning
youwereunderpinning
theywereunderpinning	
Present perfect 	Present perfect continu 	Pluperfect 	Pluperfect continu 	
I've underpinned
you've underpinned
he's underpinned
we've underpinned
you've underpinned
they've underpinned	I'vebeen underpinning
you'vebeen underpinning
he'sbeen underpinning
we'vebeen underpinning
you'vebeen underpinning
they'vebeen 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	
Futur 	Futur continu 	Futur antérieur 	Futur antérieur continu 	
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	

Conditionnel 	
Présent 	Présent continu 	Passé 	Passé continu 	
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	

Infinitif 	
Impératif 	
Infinitif 	 	Impératif 	 	
to underpin 	 	underpin
Let's underpin
underpin 	 	

Participe 	
Présent 	Passé 	 	 	
underpinning	underpinned