may refilter
Verbo regular: refilter - refiltered- refiltered

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

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

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

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