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

Affirmation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
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 would've underpinned
you would've underpinned
he would've underpinned
we would've underpinned
you would've underpinned
they would've underpinned	I would've been underpinning
you would've been underpinning
he would've been underpinning
we would've been underpinning
you would've been underpinning
they would've been underpinning	

Négation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I wouldn't underpin
you wouldn't underpin
he wouldn't underpin
we wouldn't underpin
you wouldn't underpin
they wouldn't underpin 	I wouldn't be underpinning
you wouldn't be underpinning
he wouldn't be underpinning
we wouldn't be underpinning
you wouldn't be underpinning
they wouldn't be underpinning	I wouldn't have underpinned
you wouldn't have underpinned
he wouldn't have underpinned
we wouldn't have underpinned
you wouldn't have underpinned
they wouldn't have underpinned	I wouldn't have been underpinning
you wouldn't have been underpinning
he wouldn't have been underpinning
we wouldn't have been underpinning
you wouldn't have been underpinning
they wouldn't have been underpinning	

Forme interrogative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
would I underpin?
would you underpin?
would he underpin?
would we underpin?
would you underpin?
would they underpin? 	would I be underpinning?
would you be underpinning?
would he be underpinning?
would we be underpinning?
would you be underpinning?
would they be underpinning? 	would I have underpinned?
would you have underpinned?
would he have underpinned?
would we have underpinned?
would you have underpinned?
would they have underpinned? 	would I have been underpinning?
would you have been underpinning?
would he have been underpinning?
would we have been underpinning?
would you have been underpinning?
would they have been underpinning? 	

Forme interro-négative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
wouldn't I underpin?
wouldn't you underpin?
wouldn't he underpin?
wouldn't we underpin?
wouldn't you underpin?
wouldn't they underpin? 	wouldn't I be underpinning?
wouldn't you be underpinning?
wouldn't he be underpinning?
wouldn't we be underpinning?
wouldn't you be underpinning?
wouldn't they be underpinning? 	wouldn't I have underpinned?
wouldn't you have underpinned?
wouldn't he have underpinned?
wouldn't we have underpinned?
wouldn't you have underpinned?
wouldn't they have underpinned? 	wouldn't I have been underpinning?
wouldn't you have been underpinning?
wouldn't he have been underpinning?
wouldn't we have been underpinning?
wouldn't you have been underpinning?
wouldn't they have been underpinning?