could try
Verbo regular: try - tried- tried

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I could try
you could try
he could try
we could try
you could try
they could try 	I could be trying
you could be trying
he could be trying
we could be trying
you could be trying
they could be trying	I could have tried
you could have tried
he could have tried
we could have tried
you could have tried
they could have tried	I could have been trying
you could have been trying
he could have been trying
we could have been trying
you could have been trying
they could have been trying	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I could not try
you could not try
he could not try
we could not try
you could not try
they could not try 	I could not be trying
you could not be trying
he could not be trying
we could not be trying
you could not be trying
they could not be trying	I could not have tried
you could not have tried
he could not have tried
we could not have tried
you could not have tried
they could not have tried	I could not have been trying
you could not have been trying
he could not have been trying
we could not have been trying
you could not have been trying
they could not have been trying	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
could I try?
could you try?
could he try?
could we try?
could you try?
could they try? 	could I be trying?
could you be trying?
could he be trying?
could we be trying?
could you be trying?
could they be trying? 	could I have tried?
could you have tried?
could he have tried?
could we have tried?
could you have tried?
could they have tried? 	could I have been trying?
could you have been trying?
could he have been trying?
could we have been trying?
could you have been trying?
could they have been trying? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
could I not try?
could you not try?
could he not try?
could we not try?
could you not try?
could they not try? 	could I not be trying?
could you not be trying?
could he not be trying?
could we not be trying?
could you not be trying?
could they not be trying? 	could I not have tried?
could you not have tried?
could he not have tried?
could we not have tried?
could you not have tried?
could they not have tried? 	could I not have been trying?
could you not have been trying?
could he not have been trying?
could we not have been trying?
could you not have been trying?
could they not have been trying?