could skulk
Regelmä&szlig;iges Verb: skulk - skulked- skulked

Bestätigung 	
Einfache Form 	Form mit V-ing 	Perfekt 	Perfekt mit V-ing 	
I could skulk
you could skulk
he could skulk
we could skulk
you could skulk
they could skulk 	I could be skulking
you could be skulking
he could be skulking
we could be skulking
you could be skulking
they could be skulking	I could have skulked
you could have skulked
he could have skulked
we could have skulked
you could have skulked
they could have skulked	I could have been skulking
you could have been skulking
he could have been skulking
we could have been skulking
you could have been skulking
they could have been skulking	

Negation 	
Einfache Form 	Form mit V-ing 	Perfekt 	Perfekt mit V-ing 	
I could not skulk
you could not skulk
he could not skulk
we could not skulk
you could not skulk
they could not skulk 	I could not be skulking
you could not be skulking
he could not be skulking
we could not be skulking
you could not be skulking
they could not be skulking	I could not have skulked
you could not have skulked
he could not have skulked
we could not have skulked
you could not have skulked
they could not have skulked	I could not have been skulking
you could not have been skulking
he could not have been skulking
we could not have been skulking
you could not have been skulking
they could not have been skulking	

Fragende Form 	
Einfache Form 	Form mit V-ing 	Perfekt 	Perfekt mit V-ing 	
could I skulk?
could you skulk?
could he skulk?
could we skulk?
could you skulk?
could they skulk? 	could I be skulking?
could you be skulking?
could he be skulking?
could we be skulking?
could you be skulking?
could they be skulking? 	could I have skulked?
could you have skulked?
could he have skulked?
could we have skulked?
could you have skulked?
could they have skulked? 	could I have been skulking?
could you have been skulking?
could he have been skulking?
could we have been skulking?
could you have been skulking?
could they have been skulking? 	

Fragende Negation Form 	
Einfache Form 	Form mit V-ing 	Perfekt 	Perfekt mit V-ing 	
could I not skulk?
could you not skulk?
could he not skulk?
could we not skulk?
could you not skulk?
could they not skulk? 	could I not be skulking?
could you not be skulking?
could he not be skulking?
could we not be skulking?
could you not be skulking?
could they not be skulking? 	could I not have skulked?
could you not have skulked?
could he not have skulked?
could we not have skulked?
could you not have skulked?
could they not have skulked? 	could I not have been skulking?
could you not have been skulking?
could he not have been skulking?
could we not have been skulking?
could you not have been skulking?
could they not have been skulking?