can unknot
Verbo regular: unknot - unknotted- unknotted

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I can unknot
you can unknot
he can unknot
we can unknot
you can unknot
they can unknot 	I can be unknotting
you can be unknotting
he can be unknotting
we can be unknotting
you can be unknotting
they can be unknotting	I can have unknotted
you can have unknotted
he can have unknotted
we can have unknotted
you can have unknotted
they can have unknotted	I can have been unknotting
you can have been unknotting
he can have been unknotting
we can have been unknotting
you can have been unknotting
they can have been unknotting	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I cannot unknot
you cannot unknot
he cannot unknot
we cannot unknot
you cannot unknot
they cannot unknot 	I cannot be unknotting
you cannot be unknotting
he cannot be unknotting
we cannot be unknotting
you cannot be unknotting
they cannot be unknotting	I cannot have unknotted
you cannot have unknotted
he cannot have unknotted
we cannot have unknotted
you cannot have unknotted
they cannot have unknotted	I cannot have been unknotting
you cannot have been unknotting
he cannot have been unknotting
we cannot have been unknotting
you cannot have been unknotting
they cannot have been unknotting	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
can I unknot?
can you unknot?
can he unknot?
can we unknot?
can you unknot?
can they unknot? 	can I be unknotting?
can you be unknotting?
can he be unknotting?
can we be unknotting?
can you be unknotting?
can they be unknotting? 	can I have unknotted?
can you have unknotted?
can he have unknotted?
can we have unknotted?
can you have unknotted?
can they have unknotted? 	can I have been unknotting?
can you have been unknotting?
can he have been unknotting?
can we have been unknotting?
can you have been unknotting?
can they have been unknotting? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
can I not unknot?
can you not unknot?
can he not unknot?
can we not unknot?
can you not unknot?
can they not unknot? 	can I not be unknotting?
can you not be unknotting?
can he not be unknotting?
can we not be unknotting?
can you not be unknotting?
can they not be unknotting? 	can I not have unknotted?
can you not have unknotted?
can he not have unknotted?
can we not have unknotted?
can you not have unknotted?
can they not have unknotted? 	can I not have been unknotting?
can you not have been unknotting?
can he not have been unknotting?
can we not have been unknotting?
can you not have been unknotting?
can they not have been unknotting?