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

Affirmation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
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	

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

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

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