could instance
Verbo regular: instance - instanced- instanced

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I could instance
you could instance
she could instance
we could instance
you could instance
they could instance 	I could be instancing
you could be instancing
she could be instancing
we could be instancing
you could be instancing
they could be instancing	I could have instanced
you could have instanced
she could have instanced
we could have instanced
you could have instanced
they could have instanced	I could have been instancing
you could have been instancing
she could have been instancing
we could have been instancing
you could have been instancing
they could have been instancing	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I could not instance
you could not instance
she could not instance
we could not instance
you could not instance
they could not instance 	I could not be instancing
you could not be instancing
she could not be instancing
we could not be instancing
you could not be instancing
they could not be instancing	I could not have instanced
you could not have instanced
she could not have instanced
we could not have instanced
you could not have instanced
they could not have instanced	I could not have been instancing
you could not have been instancing
she could not have been instancing
we could not have been instancing
you could not have been instancing
they could not have been instancing	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
could I instance?
could you instance?
could she instance?
could we instance?
could you instance?
could they instance? 	could I be instancing?
could you be instancing?
could she be instancing?
could we be instancing?
could you be instancing?
could they be instancing? 	could I have instanced?
could you have instanced?
could she have instanced?
could we have instanced?
could you have instanced?
could they have instanced? 	could I have been instancing?
could you have been instancing?
could she have been instancing?
could we have been instancing?
could you have been instancing?
could they have been instancing? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
could I not instance?
could you not instance?
could she not instance?
could we not instance?
could you not instance?
could they not instance? 	could I not be instancing?
could you not be instancing?
could she not be instancing?
could we not be instancing?
could you not be instancing?
could they not be instancing? 	could I not have instanced?
could you not have instanced?
could she not have instanced?
could we not have instanced?
could you not have instanced?
could they not have instanced? 	could I not have been instancing?
could you not have been instancing?
could she not have been instancing?
could we not have been instancing?
could you not have been instancing?
could they not have been instancing?