can flack
Verbo regular: flack - flacked- flacked

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I can flack
you can flack
she can flack
we can flack
you can flack
they can flack 	I can be flacking
you can be flacking
she can be flacking
we can be flacking
you can be flacking
they can be flacking	I can have flacked
you can have flacked
she can have flacked
we can have flacked
you can have flacked
they can have flacked	I can have been flacking
you can have been flacking
she can have been flacking
we can have been flacking
you can have been flacking
they can have been flacking	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I cannot flack
you cannot flack
she cannot flack
we cannot flack
you cannot flack
they cannot flack 	I cannot be flacking
you cannot be flacking
she cannot be flacking
we cannot be flacking
you cannot be flacking
they cannot be flacking	I cannot have flacked
you cannot have flacked
she cannot have flacked
we cannot have flacked
you cannot have flacked
they cannot have flacked	I cannot have been flacking
you cannot have been flacking
she cannot have been flacking
we cannot have been flacking
you cannot have been flacking
they cannot have been flacking	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
can I flack?
can you flack?
can she flack?
can we flack?
can you flack?
can they flack? 	can I be flacking?
can you be flacking?
can she be flacking?
can we be flacking?
can you be flacking?
can they be flacking? 	can I have flacked?
can you have flacked?
can she have flacked?
can we have flacked?
can you have flacked?
can they have flacked? 	can I have been flacking?
can you have been flacking?
can she have been flacking?
can we have been flacking?
can you have been flacking?
can they have been flacking? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
can I not flack?
can you not flack?
can she not flack?
can we not flack?
can you not flack?
can they not flack? 	can I not be flacking?
can you not be flacking?
can she not be flacking?
can we not be flacking?
can you not be flacking?
can they not be flacking? 	can I not have flacked?
can you not have flacked?
can she not have flacked?
can we not have flacked?
can you not have flacked?
can they not have flacked? 	can I not have been flacking?
can you not have been flacking?
can she not have been flacking?
can we not have been flacking?
can you not have been flacking?
can they not have been flacking?