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

Affirmation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I can underpin
you can underpin
she can underpin
we can underpin
you can underpin
they can underpin 	I can be underpinning
you can be underpinning
she can be underpinning
we can be underpinning
you can be underpinning
they can be underpinning	I can have underpinned
you can have underpinned
she can have underpinned
we can have underpinned
you can have underpinned
they can have underpinned	I can have been underpinning
you can have been underpinning
she can have been underpinning
we can have been underpinning
you can have been underpinning
they can have been underpinning	

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

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

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