could alternate
Regelmä&szlig;iges Verb: alternate - alternated- alternated

Bestätigung 	
Einfache Form 	Form mit V-ing 	Perfekt 	Perfekt mit V-ing 	
I could alternate
you could alternate
he could alternate
we could alternate
you could alternate
they could alternate 	I could be alternating
you could be alternating
he could be alternating
we could be alternating
you could be alternating
they could be alternating	I could have alternated
you could have alternated
he could have alternated
we could have alternated
you could have alternated
they could have alternated	I could have been alternating
you could have been alternating
he could have been alternating
we could have been alternating
you could have been alternating
they could have been alternating	

Negation 	
Einfache Form 	Form mit V-ing 	Perfekt 	Perfekt mit V-ing 	
I couldn't alternate
you couldn't alternate
he couldn't alternate
we couldn't alternate
you couldn't alternate
they couldn't alternate 	I couldn't be alternating
you couldn't be alternating
he couldn't be alternating
we couldn't be alternating
you couldn't be alternating
they couldn't be alternating	I couldn't have alternated
you couldn't have alternated
he couldn't have alternated
we couldn't have alternated
you couldn't have alternated
they couldn't have alternated	I couldn't have been alternating
you couldn't have been alternating
he couldn't have been alternating
we couldn't have been alternating
you couldn't have been alternating
they couldn't have been alternating	

Fragende Form 	
Einfache Form 	Form mit V-ing 	Perfekt 	Perfekt mit V-ing 	
could I alternate?
could you alternate?
could he alternate?
could we alternate?
could you alternate?
could they alternate? 	could I be alternating?
could you be alternating?
could he be alternating?
could we be alternating?
could you be alternating?
could they be alternating? 	could I have alternated?
could you have alternated?
could he have alternated?
could we have alternated?
could you have alternated?
could they have alternated? 	could I have been alternating?
could you have been alternating?
could he have been alternating?
could we have been alternating?
could you have been alternating?
could they have been alternating? 	

Fragende Negation Form 	
Einfache Form 	Form mit V-ing 	Perfekt 	Perfekt mit V-ing 	
couldn't I alternate?
couldn't you alternate?
couldn't he alternate?
couldn't we alternate?
couldn't you alternate?
couldn't they alternate? 	couldn't I be alternating?
couldn't you be alternating?
couldn't he be alternating?
couldn't we be alternating?
couldn't you be alternating?
couldn't they be alternating? 	couldn't I have alternated?
couldn't you have alternated?
couldn't he have alternated?
couldn't we have alternated?
couldn't you have alternated?
couldn't they have alternated? 	couldn't I have been alternating?
couldn't you have been alternating?
couldn't he have been alternating?
couldn't we have been alternating?
couldn't you have been alternating?
couldn't they have been alternating?