could con
Verbo regular: con - conned- conned

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I could con
you could con
he could con
we could con
you could con
they could con 	I could be conning
you could be conning
he could be conning
we could be conning
you could be conning
they could be conning	I could have conned
you could have conned
he could have conned
we could have conned
you could have conned
they could have conned	I could have been conning
you could have been conning
he could have been conning
we could have been conning
you could have been conning
they could have been conning	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I couldn't con
you couldn't con
he couldn't con
we couldn't con
you couldn't con
they couldn't con 	I couldn't be conning
you couldn't be conning
he couldn't be conning
we couldn't be conning
you couldn't be conning
they couldn't be conning	I couldn't have conned
you couldn't have conned
he couldn't have conned
we couldn't have conned
you couldn't have conned
they couldn't have conned	I couldn't have been conning
you couldn't have been conning
he couldn't have been conning
we couldn't have been conning
you couldn't have been conning
they couldn't have been conning	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
could I con?
could you con?
could he con?
could we con?
could you con?
could they con? 	could I be conning?
could you be conning?
could he be conning?
could we be conning?
could you be conning?
could they be conning? 	could I have conned?
could you have conned?
could he have conned?
could we have conned?
could you have conned?
could they have conned? 	could I have been conning?
could you have been conning?
could he have been conning?
could we have been conning?
could you have been conning?
could they have been conning? 	

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