can refilter
Verbo regular: refilter - refiltered- refiltered

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I can refilter
you can refilter
he can refilter
we can refilter
you can refilter
they can refilter 	I can be refiltering
you can be refiltering
he can be refiltering
we can be refiltering
you can be refiltering
they can be refiltering	I can have refiltered
you can have refiltered
he can have refiltered
we can have refiltered
you can have refiltered
they can have refiltered	I can have been refiltering
you can have been refiltering
he can have been refiltering
we can have been refiltering
you can have been refiltering
they can have been refiltering	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I cannot refilter
you cannot refilter
he cannot refilter
we cannot refilter
you cannot refilter
they cannot refilter 	I cannot be refiltering
you cannot be refiltering
he cannot be refiltering
we cannot be refiltering
you cannot be refiltering
they cannot be refiltering	I cannot have refiltered
you cannot have refiltered
he cannot have refiltered
we cannot have refiltered
you cannot have refiltered
they cannot have refiltered	I cannot have been refiltering
you cannot have been refiltering
he cannot have been refiltering
we cannot have been refiltering
you cannot have been refiltering
they cannot have been refiltering	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
can I refilter?
can you refilter?
can he refilter?
can we refilter?
can you refilter?
can they refilter? 	can I be refiltering?
can you be refiltering?
can he be refiltering?
can we be refiltering?
can you be refiltering?
can they be refiltering? 	can I have refiltered?
can you have refiltered?
can he have refiltered?
can we have refiltered?
can you have refiltered?
can they have refiltered? 	can I have been refiltering?
can you have been refiltering?
can he have been refiltering?
can we have been refiltering?
can you have been refiltering?
can they have been refiltering? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
can I not refilter?
can you not refilter?
can he not refilter?
can we not refilter?
can you not refilter?
can they not refilter? 	can I not be refiltering?
can you not be refiltering?
can he not be refiltering?
can we not be refiltering?
can you not be refiltering?
can they not be refiltering? 	can I not have refiltered?
can you not have refiltered?
can he not have refiltered?
can we not have refiltered?
can you not have refiltered?
can they not have refiltered? 	can I not have been refiltering?
can you not have been refiltering?
can he not have been refiltering?
can we not have been refiltering?
can you not have been refiltering?
can they not have been refiltering?