could whack
Verbo regular: whack - whacked- whacked

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I could whack
you could whack
he could whack
we could whack
you could whack
they could whack 	I could be whacking
you could be whacking
he could be whacking
we could be whacking
you could be whacking
they could be whacking	I could have whacked
you could have whacked
he could have whacked
we could have whacked
you could have whacked
they could have whacked	I could have been whacking
you could have been whacking
he could have been whacking
we could have been whacking
you could have been whacking
they could have been whacking	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I could not whack
you could not whack
he could not whack
we could not whack
you could not whack
they could not whack 	I could not be whacking
you could not be whacking
he could not be whacking
we could not be whacking
you could not be whacking
they could not be whacking	I could not have whacked
you could not have whacked
he could not have whacked
we could not have whacked
you could not have whacked
they could not have whacked	I could not have been whacking
you could not have been whacking
he could not have been whacking
we could not have been whacking
you could not have been whacking
they could not have been whacking	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
could I whack?
could you whack?
could he whack?
could we whack?
could you whack?
could they whack? 	could I be whacking?
could you be whacking?
could he be whacking?
could we be whacking?
could you be whacking?
could they be whacking? 	could I have whacked?
could you have whacked?
could he have whacked?
could we have whacked?
could you have whacked?
could they have whacked? 	could I have been whacking?
could you have been whacking?
could he have been whacking?
could we have been whacking?
could you have been whacking?
could they have been whacking? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
could I not whack?
could you not whack?
could he not whack?
could we not whack?
could you not whack?
could they not whack? 	could I not be whacking?
could you not be whacking?
could he not be whacking?
could we not be whacking?
could you not be whacking?
could they not be whacking? 	could I not have whacked?
could you not have whacked?
could he not have whacked?
could we not have whacked?
could you not have whacked?
could they not have whacked? 	could I not have been whacking?
could you not have been whacking?
could he not have been whacking?
could we not have been whacking?
could you not have been whacking?
could they not have been whacking?