could checkmate
Regelmä&szlig;iges Verb: checkmate - checkmated- checkmated

Bestätigung 	
Einfache Form 	Form mit V-ing 	Perfekt 	Perfekt mit V-ing 	
I could checkmate
you could checkmate
he could checkmate
we could checkmate
you could checkmate
they could checkmate 	I could be checkmating
you could be checkmating
he could be checkmating
we could be checkmating
you could be checkmating
they could be checkmating	I could have checkmated
you could have checkmated
he could have checkmated
we could have checkmated
you could have checkmated
they could have checkmated	I could have been checkmating
you could have been checkmating
he could have been checkmating
we could have been checkmating
you could have been checkmating
they could have been checkmating	

Negation 	
Einfache Form 	Form mit V-ing 	Perfekt 	Perfekt mit V-ing 	
I could not checkmate
you could not checkmate
he could not checkmate
we could not checkmate
you could not checkmate
they could not checkmate 	I could not be checkmating
you could not be checkmating
he could not be checkmating
we could not be checkmating
you could not be checkmating
they could not be checkmating	I could not have checkmated
you could not have checkmated
he could not have checkmated
we could not have checkmated
you could not have checkmated
they could not have checkmated	I could not have been checkmating
you could not have been checkmating
he could not have been checkmating
we could not have been checkmating
you could not have been checkmating
they could not have been checkmating	

Fragende Form 	
Einfache Form 	Form mit V-ing 	Perfekt 	Perfekt mit V-ing 	
could I checkmate?
could you checkmate?
could he checkmate?
could we checkmate?
could you checkmate?
could they checkmate? 	could I be checkmating?
could you be checkmating?
could he be checkmating?
could we be checkmating?
could you be checkmating?
could they be checkmating? 	could I have checkmated?
could you have checkmated?
could he have checkmated?
could we have checkmated?
could you have checkmated?
could they have checkmated? 	could I have been checkmating?
could you have been checkmating?
could he have been checkmating?
could we have been checkmating?
could you have been checkmating?
could they have been checkmating? 	

Fragende Negation Form 	
Einfache Form 	Form mit V-ing 	Perfekt 	Perfekt mit V-ing 	
could I not checkmate?
could you not checkmate?
could he not checkmate?
could we not checkmate?
could you not checkmate?
could they not checkmate? 	could I not be checkmating?
could you not be checkmating?
could he not be checkmating?
could we not be checkmating?
could you not be checkmating?
could they not be checkmating? 	could I not have checkmated?
could you not have checkmated?
could he not have checkmated?
could we not have checkmated?
could you not have checkmated?
could they not have checkmated? 	could I not have been checkmating?
could you not have been checkmating?
could he not have been checkmating?
could we not have been checkmating?
could you not have been checkmating?
could they not have been checkmating?