could encounter
Verbo regular: encounter - encountered- encountered

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I could encounter
you could encounter
she could encounter
we could encounter
you could encounter
they could encounter 	I could be encountering
you could be encountering
she could be encountering
we could be encountering
you could be encountering
they could be encountering	I could have encountered
you could have encountered
she could have encountered
we could have encountered
you could have encountered
they could have encountered	I could have been encountering
you could have been encountering
she could have been encountering
we could have been encountering
you could have been encountering
they could have been encountering	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I couldn't encounter
you couldn't encounter
she couldn't encounter
we couldn't encounter
you couldn't encounter
they couldn't encounter 	I couldn't be encountering
you couldn't be encountering
she couldn't be encountering
we couldn't be encountering
you couldn't be encountering
they couldn't be encountering	I couldn't have encountered
you couldn't have encountered
she couldn't have encountered
we couldn't have encountered
you couldn't have encountered
they couldn't have encountered	I couldn't have been encountering
you couldn't have been encountering
she couldn't have been encountering
we couldn't have been encountering
you couldn't have been encountering
they couldn't have been encountering	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
could I encounter?
could you encounter?
could she encounter?
could we encounter?
could you encounter?
could they encounter? 	could I be encountering?
could you be encountering?
could she be encountering?
could we be encountering?
could you be encountering?
could they be encountering? 	could I have encountered?
could you have encountered?
could she have encountered?
could we have encountered?
could you have encountered?
could they have encountered? 	could I have been encountering?
could you have been encountering?
could she have been encountering?
could we have been encountering?
could you have been encountering?
could they have been encountering? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
couldn't I encounter?
couldn't you encounter?
couldn't she encounter?
couldn't we encounter?
couldn't you encounter?
couldn't they encounter? 	couldn't I be encountering?
couldn't you be encountering?
couldn't she be encountering?
couldn't we be encountering?
couldn't you be encountering?
couldn't they be encountering? 	couldn't I have encountered?
couldn't you have encountered?
couldn't she have encountered?
couldn't we have encountered?
couldn't you have encountered?
couldn't they have encountered? 	couldn't I have been encountering?
couldn't you have been encountering?
couldn't she have been encountering?
couldn't we have been encountering?
couldn't you have been encountering?
couldn't they have been encountering?