can slack
Verbo regular: slack - slacked- slacked

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I can slack
you can slack
she can slack
we can slack
you can slack
they can slack 	I can be slacking
you can be slacking
she can be slacking
we can be slacking
you can be slacking
they can be slacking	I can have slacked
you can have slacked
she can have slacked
we can have slacked
you can have slacked
they can have slacked	I can have been slacking
you can have been slacking
she can have been slacking
we can have been slacking
you can have been slacking
they can have been slacking	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I cannot slack
you cannot slack
she cannot slack
we cannot slack
you cannot slack
they cannot slack 	I cannot be slacking
you cannot be slacking
she cannot be slacking
we cannot be slacking
you cannot be slacking
they cannot be slacking	I cannot have slacked
you cannot have slacked
she cannot have slacked
we cannot have slacked
you cannot have slacked
they cannot have slacked	I cannot have been slacking
you cannot have been slacking
she cannot have been slacking
we cannot have been slacking
you cannot have been slacking
they cannot have been slacking	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
can I slack?
can you slack?
can she slack?
can we slack?
can you slack?
can they slack? 	can I be slacking?
can you be slacking?
can she be slacking?
can we be slacking?
can you be slacking?
can they be slacking? 	can I have slacked?
can you have slacked?
can she have slacked?
can we have slacked?
can you have slacked?
can they have slacked? 	can I have been slacking?
can you have been slacking?
can she have been slacking?
can we have been slacking?
can you have been slacking?
can they have been slacking? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
can I not slack?
can you not slack?
can she not slack?
can we not slack?
can you not slack?
can they not slack? 	can I not be slacking?
can you not be slacking?
can she not be slacking?
can we not be slacking?
can you not be slacking?
can they not be slacking? 	can I not have slacked?
can you not have slacked?
can she not have slacked?
can we not have slacked?
can you not have slacked?
can they not have slacked? 	can I not have been slacking?
can you not have been slacking?
can she not have been slacking?
can we not have been slacking?
can you not have been slacking?
can they not have been slacking?