could force
Verbo regular: force - forced- forced

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I could force
you could force
he could force
we could force
you could force
they could force 	I could be forcing
you could be forcing
he could be forcing
we could be forcing
you could be forcing
they could be forcing	I could have forced
you could have forced
he could have forced
we could have forced
you could have forced
they could have forced	I could have been forcing
you could have been forcing
he could have been forcing
we could have been forcing
you could have been forcing
they could have been forcing	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I could not force
you could not force
he could not force
we could not force
you could not force
they could not force 	I could not be forcing
you could not be forcing
he could not be forcing
we could not be forcing
you could not be forcing
they could not be forcing	I could not have forced
you could not have forced
he could not have forced
we could not have forced
you could not have forced
they could not have forced	I could not have been forcing
you could not have been forcing
he could not have been forcing
we could not have been forcing
you could not have been forcing
they could not have been forcing	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
could I force?
could you force?
could he force?
could we force?
could you force?
could they force? 	could I be forcing?
could you be forcing?
could he be forcing?
could we be forcing?
could you be forcing?
could they be forcing? 	could I have forced?
could you have forced?
could he have forced?
could we have forced?
could you have forced?
could they have forced? 	could I have been forcing?
could you have been forcing?
could he have been forcing?
could we have been forcing?
could you have been forcing?
could they have been forcing? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
could I not force?
could you not force?
could he not force?
could we not force?
could you not force?
could they not force? 	could I not be forcing?
could you not be forcing?
could he not be forcing?
could we not be forcing?
could you not be forcing?
could they not be forcing? 	could I not have forced?
could you not have forced?
could he not have forced?
could we not have forced?
could you not have forced?
could they not have forced? 	could I not have been forcing?
could you not have been forcing?
could he not have been forcing?
could we not have been forcing?
could you not have been forcing?
could they not have been forcing?