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 	Iamunderpinning
youareunderpinning
heisunderpinning
weareunderpinning
youareunderpinning
theyareunderpinning	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 have underpinned
you have underpinned
he has underpinned
we have underpinned
you have underpinned
they have underpinned	I have been underpinning
you have been underpinning
hehasbeen underpinning
we have been underpinning
you have been underpinning
they have been underpinning	I had underpinned
you had underpinned
he had underpinned
we had underpinned
you had underpinned
they had underpinned	I had been underpinning
you had been underpinning
he had been underpinning
we had been underpinning
you had been underpinning
they had been underpinning	
Futur 	Futur continu 	Futur antérieur 	Futur antérieur continu 	
I will underpin
you will underpin
he will underpin
we will underpin
you will underpin
they will underpin 	I will be underpinning
you will be underpinning
he will be underpinning
we will be underpinning
you will be underpinning
they will be underpinning	I will have underpinned
you will have underpinned
he will have underpinned
we will have underpinned
you will have underpinned
they will have underpinned	I will have been underpinning
you will have been underpinning
he will have been underpinning
we will have been underpinning
you will have been underpinning
they will have been underpinning	

Conditionnel 	
Présent 	Présent continu 	Passé 	Passé continu 	
I would underpin
you would underpin
he would underpin
we would underpin
you would underpin
they would underpin 	I would be underpinning
you would be underpinning
he would be underpinning
we would be underpinning
you would be underpinning
they would be underpinning	I would have underpinned
you would have underpinned
he would have underpinned
we would have underpinned
you would have underpinned
they would have underpinned	I would have been underpinning
you would have been underpinning
he would have been underpinning
we would have been underpinning
you would have been underpinning
they would have been underpinning	

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

Participe 	
Présent 	Passé 	 	 	
underpinning	underpinned