can underpin
Regelmä&szlig;iges Verb: underpin - underpinned- underpinned

Bestätigung 	
Einfache Form 	Form mit V-ing 	Perfekt 	Perfekt mit 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	

Negation 	
Einfache Form 	Form mit V-ing 	Perfekt 	Perfekt mit V-ing 	
I cannot underpin
you cannot underpin
she cannot underpin
we cannot underpin
you cannot underpin
they cannot underpin 	I cannot be underpinning
you cannot be underpinning
she cannot be underpinning
we cannot be underpinning
you cannot be underpinning
they cannot be underpinning	I cannot have underpinned
you cannot have underpinned
she cannot have underpinned
we cannot have underpinned
you cannot have underpinned
they cannot have underpinned	I cannot have been underpinning
you cannot have been underpinning
she cannot have been underpinning
we cannot have been underpinning
you cannot have been underpinning
they cannot have been underpinning	

Fragende Form 	
Einfache Form 	Form mit V-ing 	Perfekt 	Perfekt mit 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? 	

Fragende Negation Form 	
Einfache Form 	Form mit V-ing 	Perfekt 	Perfekt mit V-ing 	
can I not underpin?
can you not underpin?
can she not underpin?
can we not underpin?
can you not underpin?
can they not underpin? 	can I not be underpinning?
can you not be underpinning?
can she not be underpinning?
can we not be underpinning?
can you not be underpinning?
can they not be underpinning? 	can I not have underpinned?
can you not have underpinned?
can she not have underpinned?
can we not have underpinned?
can you not have underpinned?
can they not have underpinned? 	can I not have been underpinning?
can you not have been underpinning?
can she not have been underpinning?
can we not have been underpinning?
can you not have been underpinning?
can they not have been underpinning?