could uncase
Verbo regular: uncase - uncased- uncased

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I could uncase
you could uncase
he could uncase
we could uncase
you could uncase
they could uncase 	I could be uncasing
you could be uncasing
he could be uncasing
we could be uncasing
you could be uncasing
they could be uncasing	I could have uncased
you could have uncased
he could have uncased
we could have uncased
you could have uncased
they could have uncased	I could have been uncasing
you could have been uncasing
he could have been uncasing
we could have been uncasing
you could have been uncasing
they could have been uncasing	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I couldn't uncase
you couldn't uncase
he couldn't uncase
we couldn't uncase
you couldn't uncase
they couldn't uncase 	I couldn't be uncasing
you couldn't be uncasing
he couldn't be uncasing
we couldn't be uncasing
you couldn't be uncasing
they couldn't be uncasing	I couldn't have uncased
you couldn't have uncased
he couldn't have uncased
we couldn't have uncased
you couldn't have uncased
they couldn't have uncased	I couldn't have been uncasing
you couldn't have been uncasing
he couldn't have been uncasing
we couldn't have been uncasing
you couldn't have been uncasing
they couldn't have been uncasing	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
could I uncase?
could you uncase?
could he uncase?
could we uncase?
could you uncase?
could they uncase? 	could I be uncasing?
could you be uncasing?
could he be uncasing?
could we be uncasing?
could you be uncasing?
could they be uncasing? 	could I have uncased?
could you have uncased?
could he have uncased?
could we have uncased?
could you have uncased?
could they have uncased? 	could I have been uncasing?
could you have been uncasing?
could he have been uncasing?
could we have been uncasing?
could you have been uncasing?
could they have been uncasing? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
couldn't I uncase?
couldn't you uncase?
couldn't he uncase?
couldn't we uncase?
couldn't you uncase?
couldn't they uncase? 	couldn't I be uncasing?
couldn't you be uncasing?
couldn't he be uncasing?
couldn't we be uncasing?
couldn't you be uncasing?
couldn't they be uncasing? 	couldn't I have uncased?
couldn't you have uncased?
couldn't he have uncased?
couldn't we have uncased?
couldn't you have uncased?
couldn't they have uncased? 	couldn't I have been uncasing?
couldn't you have been uncasing?
couldn't he have been uncasing?
couldn't we have been uncasing?
couldn't you have been uncasing?
couldn't they have been uncasing?