could exact
Verbo regular: exact - exacted- exacted

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I could exact
you could exact
he could exact
we could exact
you could exact
they could exact 	I could be exacting
you could be exacting
he could be exacting
we could be exacting
you could be exacting
they could be exacting	I could have exacted
you could have exacted
he could have exacted
we could have exacted
you could have exacted
they could have exacted	I could have been exacting
you could have been exacting
he could have been exacting
we could have been exacting
you could have been exacting
they could have been exacting	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I could not exact
you could not exact
he could not exact
we could not exact
you could not exact
they could not exact 	I could not be exacting
you could not be exacting
he could not be exacting
we could not be exacting
you could not be exacting
they could not be exacting	I could not have exacted
you could not have exacted
he could not have exacted
we could not have exacted
you could not have exacted
they could not have exacted	I could not have been exacting
you could not have been exacting
he could not have been exacting
we could not have been exacting
you could not have been exacting
they could not have been exacting	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
could I exact?
could you exact?
could he exact?
could we exact?
could you exact?
could they exact? 	could I be exacting?
could you be exacting?
could he be exacting?
could we be exacting?
could you be exacting?
could they be exacting? 	could I have exacted?
could you have exacted?
could he have exacted?
could we have exacted?
could you have exacted?
could they have exacted? 	could I have been exacting?
could you have been exacting?
could he have been exacting?
could we have been exacting?
could you have been exacting?
could they have been exacting? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
could I not exact?
could you not exact?
could he not exact?
could we not exact?
could you not exact?
could they not exact? 	could I not be exacting?
could you not be exacting?
could he not be exacting?
could we not be exacting?
could you not be exacting?
could they not be exacting? 	could I not have exacted?
could you not have exacted?
could he not have exacted?
could we not have exacted?
could you not have exacted?
could they not have exacted? 	could I not have been exacting?
could you not have been exacting?
could he not have been exacting?
could we not have been exacting?
could you not have been exacting?
could they not have been exacting?