can whack
Verbo regular: whack - whacked- whacked

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I can whack
you can whack
he can whack
we can whack
you can whack
they can whack 	I can be whacking
you can be whacking
he can be whacking
we can be whacking
you can be whacking
they can be whacking	I can have whacked
you can have whacked
he can have whacked
we can have whacked
you can have whacked
they can have whacked	I can have been whacking
you can have been whacking
he can have been whacking
we can have been whacking
you can have been whacking
they can have been whacking	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I cannot whack
you cannot whack
he cannot whack
we cannot whack
you cannot whack
they cannot whack 	I cannot be whacking
you cannot be whacking
he cannot be whacking
we cannot be whacking
you cannot be whacking
they cannot be whacking	I cannot have whacked
you cannot have whacked
he cannot have whacked
we cannot have whacked
you cannot have whacked
they cannot have whacked	I cannot have been whacking
you cannot have been whacking
he cannot have been whacking
we cannot have been whacking
you cannot have been whacking
they cannot have been whacking	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
can I whack?
can you whack?
can he whack?
can we whack?
can you whack?
can they whack? 	can I be whacking?
can you be whacking?
can he be whacking?
can we be whacking?
can you be whacking?
can they be whacking? 	can I have whacked?
can you have whacked?
can he have whacked?
can we have whacked?
can you have whacked?
can they have whacked? 	can I have been whacking?
can you have been whacking?
can he have been whacking?
can we have been whacking?
can you have been whacking?
can they have been whacking? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
can I not whack?
can you not whack?
can he not whack?
can we not whack?
can you not whack?
can they not whack? 	can I not be whacking?
can you not be whacking?
can he not be whacking?
can we not be whacking?
can you not be whacking?
can they not be whacking? 	can I not have whacked?
can you not have whacked?
can he not have whacked?
can we not have whacked?
can you not have whacked?
can they not have whacked? 	can I not have been whacking?
can you not have been whacking?
can he not have been whacking?
can we not have been whacking?
can you not have been whacking?
can they not have been whacking?