could unknot
Verbo regolare: unknot - unknotted- unknotted

Affermazione 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
I could unknot
you could unknot
he could unknot
we could unknot
you could unknot
they could unknot 	I could be unknotting
you could be unknotting
he could be unknotting
we could be unknotting
you could be unknotting
they could be unknotting	I could have unknotted
you could have unknotted
he could have unknotted
we could have unknotted
you could have unknotted
they could have unknotted	I could have been unknotting
you could have been unknotting
he could have been unknotting
we could have been unknotting
you could have been unknotting
they could have been unknotting	

Negazione 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
I could not unknot
you could not unknot
he could not unknot
we could not unknot
you could not unknot
they could not unknot 	I could not be unknotting
you could not be unknotting
he could not be unknotting
we could not be unknotting
you could not be unknotting
they could not be unknotting	I could not have unknotted
you could not have unknotted
he could not have unknotted
we could not have unknotted
you could not have unknotted
they could not have unknotted	I could not have been unknotting
you could not have been unknotting
he could not have been unknotting
we could not have been unknotting
you could not have been unknotting
they could not have been unknotting	

Forma interrogativa 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
could I unknot?
could you unknot?
could he unknot?
could we unknot?
could you unknot?
could they unknot? 	could I be unknotting?
could you be unknotting?
could he be unknotting?
could we be unknotting?
could you be unknotting?
could they be unknotting? 	could I have unknotted?
could you have unknotted?
could he have unknotted?
could we have unknotted?
could you have unknotted?
could they have unknotted? 	could I have been unknotting?
could you have been unknotting?
could he have been unknotting?
could we have been unknotting?
could you have been unknotting?
could they have been unknotting? 	

Forma interro-negativa 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
could I not unknot?
could you not unknot?
could he not unknot?
could we not unknot?
could you not unknot?
could they not unknot? 	could I not be unknotting?
could you not be unknotting?
could he not be unknotting?
could we not be unknotting?
could you not be unknotting?
could they not be unknotting? 	could I not have unknotted?
could you not have unknotted?
could he not have unknotted?
could we not have unknotted?
could you not have unknotted?
could they not have unknotted? 	could I not have been unknotting?
could you not have been unknotting?
could he not have been unknotting?
could we not have been unknotting?
could you not have been unknotting?
could they not have been unknotting?