may ultrafilter
Regular verb: ultrafilter - ultrafiltered- ultrafiltered

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I may ultrafilter
you may ultrafilter
he may ultrafilter
we may ultrafilter
you may ultrafilter
they may ultrafilter 	I may be ultrafiltering
you may be ultrafiltering
he may be ultrafiltering
we may be ultrafiltering
you may be ultrafiltering
they may be ultrafiltering	I may have ultrafiltered
you may have ultrafiltered
he may have ultrafiltered
we may have ultrafiltered
you may have ultrafiltered
they may have ultrafiltered	I may have been ultrafiltering
you may have been ultrafiltering
he may have been ultrafiltering
we may have been ultrafiltering
you may have been ultrafiltering
they may have been ultrafiltering	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I mayn't ultrafilter
you mayn't ultrafilter
he mayn't ultrafilter
we mayn't ultrafilter
you mayn't ultrafilter
they mayn't ultrafilter 	I mayn't be ultrafiltering
you mayn't be ultrafiltering
he mayn't be ultrafiltering
we mayn't be ultrafiltering
you mayn't be ultrafiltering
they mayn't be ultrafiltering	I mayn't have ultrafiltered
you mayn't have ultrafiltered
he mayn't have ultrafiltered
we mayn't have ultrafiltered
you mayn't have ultrafiltered
they mayn't have ultrafiltered	I mayn't have been ultrafiltering
you mayn't have been ultrafiltering
he mayn't have been ultrafiltering
we mayn't have been ultrafiltering
you mayn't have been ultrafiltering
they mayn't have been ultrafiltering	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
may I ultrafilter?
may you ultrafilter?
may he ultrafilter?
may we ultrafilter?
may you ultrafilter?
may they ultrafilter? 	may I be ultrafiltering?
may you be ultrafiltering?
may he be ultrafiltering?
may we be ultrafiltering?
may you be ultrafiltering?
may they be ultrafiltering? 	may I have ultrafiltered?
may you have ultrafiltered?
may he have ultrafiltered?
may we have ultrafiltered?
may you have ultrafiltered?
may they have ultrafiltered? 	may I have been ultrafiltering?
may you have been ultrafiltering?
may he have been ultrafiltering?
may we have been ultrafiltering?
may you have been ultrafiltering?
may they have been ultrafiltering? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
mayn't I ultrafilter?
mayn't you ultrafilter?
mayn't he ultrafilter?
mayn't we ultrafilter?
mayn't you ultrafilter?
mayn't they ultrafilter? 	mayn't I be ultrafiltering?
mayn't you be ultrafiltering?
mayn't he be ultrafiltering?
mayn't we be ultrafiltering?
mayn't you be ultrafiltering?
mayn't they be ultrafiltering? 	mayn't I have ultrafiltered?
mayn't you have ultrafiltered?
mayn't he have ultrafiltered?
mayn't we have ultrafiltered?
mayn't you have ultrafiltered?
mayn't they have ultrafiltered? 	mayn't I have been ultrafiltering?
mayn't you have been ultrafiltering?
mayn't he have been ultrafiltering?
mayn't we have been ultrafiltering?
mayn't you have been ultrafiltering?
mayn't they have been ultrafiltering?