can untie
Verbo regular: untie - untied- untied

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I can untie
you can untie
she can untie
we can untie
you can untie
they can untie 	I can be untying
you can be untying
she can be untying
we can be untying
you can be untying
they can be untying	I can have untied
you can have untied
she can have untied
we can have untied
you can have untied
they can have untied	I can have been untying
you can have been untying
she can have been untying
we can have been untying
you can have been untying
they can have been untying	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I can't untie
you can't untie
she can't untie
we can't untie
you can't untie
they can't untie 	I can't be untying
you can't be untying
she can't be untying
we can't be untying
you can't be untying
they can't be untying	I can't have untied
you can't have untied
she can't have untied
we can't have untied
you can't have untied
they can't have untied	I can't have been untying
you can't have been untying
she can't have been untying
we can't have been untying
you can't have been untying
they can't have been untying	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
can I untie?
can you untie?
can she untie?
can we untie?
can you untie?
can they untie? 	can I be untying?
can you be untying?
can she be untying?
can we be untying?
can you be untying?
can they be untying? 	can I have untied?
can you have untied?
can she have untied?
can we have untied?
can you have untied?
can they have untied? 	can I have been untying?
can you have been untying?
can she have been untying?
can we have been untying?
can you have been untying?
can they have been untying? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
can't I untie?
can't you untie?
can't she untie?
can't we untie?
can't you untie?
can't they untie? 	can't I be untying?
can't you be untying?
can't she be untying?
can't we be untying?
can't you be untying?
can't they be untying? 	can't I have untied?
can't you have untied?
can't she have untied?
can't we have untied?
can't you have untied?
can't they have untied? 	can't I have been untying?
can't you have been untying?
can't she have been untying?
can't we have been untying?
can't you have been untying?
can't they have been untying?