could frost
Regelmä&szlig;iges Verb: frost - frosted- frosted

Bestätigung 	
Einfache Form 	Form mit V-ing 	Perfekt 	Perfekt mit V-ing 	
I could frost
you could frost
she could frost
we could frost
you could frost
they could frost 	I could be frosting
you could be frosting
she could be frosting
we could be frosting
you could be frosting
they could be frosting	I could have frosted
you could have frosted
she could have frosted
we could have frosted
you could have frosted
they could have frosted	I could have been frosting
you could have been frosting
she could have been frosting
we could have been frosting
you could have been frosting
they could have been frosting	

Negation 	
Einfache Form 	Form mit V-ing 	Perfekt 	Perfekt mit V-ing 	
I could not frost
you could not frost
she could not frost
we could not frost
you could not frost
they could not frost 	I could not be frosting
you could not be frosting
she could not be frosting
we could not be frosting
you could not be frosting
they could not be frosting	I could not have frosted
you could not have frosted
she could not have frosted
we could not have frosted
you could not have frosted
they could not have frosted	I could not have been frosting
you could not have been frosting
she could not have been frosting
we could not have been frosting
you could not have been frosting
they could not have been frosting	

Fragende Form 	
Einfache Form 	Form mit V-ing 	Perfekt 	Perfekt mit V-ing 	
could I frost?
could you frost?
could she frost?
could we frost?
could you frost?
could they frost? 	could I be frosting?
could you be frosting?
could she be frosting?
could we be frosting?
could you be frosting?
could they be frosting? 	could I have frosted?
could you have frosted?
could she have frosted?
could we have frosted?
could you have frosted?
could they have frosted? 	could I have been frosting?
could you have been frosting?
could she have been frosting?
could we have been frosting?
could you have been frosting?
could they have been frosting? 	

Fragende Negation Form 	
Einfache Form 	Form mit V-ing 	Perfekt 	Perfekt mit V-ing 	
could I not frost?
could you not frost?
could she not frost?
could we not frost?
could you not frost?
could they not frost? 	could I not be frosting?
could you not be frosting?
could she not be frosting?
could we not be frosting?
could you not be frosting?
could they not be frosting? 	could I not have frosted?
could you not have frosted?
could she not have frosted?
could we not have frosted?
could you not have frosted?
could they not have frosted? 	could I not have been frosting?
could you not have been frosting?
could she not have been frosting?
could we not have been frosting?
could you not have been frosting?
could they not have been frosting?