could found
Verbo regular: found - founded- founded

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I could found
you could found
he could found
we could found
you could found
they could found 	I could be founding
you could be founding
he could be founding
we could be founding
you could be founding
they could be founding	I could have founded
you could have founded
he could have founded
we could have founded
you could have founded
they could have founded	I could have been founding
you could have been founding
he could have been founding
we could have been founding
you could have been founding
they could have been founding	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I could not found
you could not found
he could not found
we could not found
you could not found
they could not found 	I could not be founding
you could not be founding
he could not be founding
we could not be founding
you could not be founding
they could not be founding	I could not have founded
you could not have founded
he could not have founded
we could not have founded
you could not have founded
they could not have founded	I could not have been founding
you could not have been founding
he could not have been founding
we could not have been founding
you could not have been founding
they could not have been founding	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
could I found?
could you found?
could he found?
could we found?
could you found?
could they found? 	could I be founding?
could you be founding?
could he be founding?
could we be founding?
could you be founding?
could they be founding? 	could I have founded?
could you have founded?
could he have founded?
could we have founded?
could you have founded?
could they have founded? 	could I have been founding?
could you have been founding?
could he have been founding?
could we have been founding?
could you have been founding?
could they have been founding? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
could I not found?
could you not found?
could he not found?
could we not found?
could you not found?
could they not found? 	could I not be founding?
could you not be founding?
could he not be founding?
could we not be founding?
could you not be founding?
could they not be founding? 	could I not have founded?
could you not have founded?
could he not have founded?
could we not have founded?
could you not have founded?
could they not have founded? 	could I not have been founding?
could you not have been founding?
could he not have been founding?
could we not have been founding?
could you not have been founding?
could they not have been founding?