may filibuster
Regular verb: filibuster - filibustered- filibustered

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I may filibuster
you may filibuster
she may filibuster
we may filibuster
you may filibuster
they may filibuster 	I may be filibustering
you may be filibustering
she may be filibustering
we may be filibustering
you may be filibustering
they may be filibustering	I may have filibustered
you may have filibustered
she may have filibustered
we may have filibustered
you may have filibustered
they may have filibustered	I may have been filibustering
you may have been filibustering
she may have been filibustering
we may have been filibustering
you may have been filibustering
they may have been filibustering	

Negation 	
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I mayn't filibuster
you mayn't filibuster
she mayn't filibuster
we mayn't filibuster
you mayn't filibuster
they mayn't filibuster 	I mayn't be filibustering
you mayn't be filibustering
she mayn't be filibustering
we mayn't be filibustering
you mayn't be filibustering
they mayn't be filibustering	I mayn't have filibustered
you mayn't have filibustered
she mayn't have filibustered
we mayn't have filibustered
you mayn't have filibustered
they mayn't have filibustered	I mayn't have been filibustering
you mayn't have been filibustering
she mayn't have been filibustering
we mayn't have been filibustering
you mayn't have been filibustering
they mayn't have been filibustering	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
may I filibuster?
may you filibuster?
may she filibuster?
may we filibuster?
may you filibuster?
may they filibuster? 	may I be filibustering?
may you be filibustering?
may she be filibustering?
may we be filibustering?
may you be filibustering?
may they be filibustering? 	may I have filibustered?
may you have filibustered?
may she have filibustered?
may we have filibustered?
may you have filibustered?
may they have filibustered? 	may I have been filibustering?
may you have been filibustering?
may she have been filibustering?
may we have been filibustering?
may you have been filibustering?
may they have been filibustering? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
mayn't I filibuster?
mayn't you filibuster?
mayn't she filibuster?
mayn't we filibuster?
mayn't you filibuster?
mayn't they filibuster? 	mayn't I be filibustering?
mayn't you be filibustering?
mayn't she be filibustering?
mayn't we be filibustering?
mayn't you be filibustering?
mayn't they be filibustering? 	mayn't I have filibustered?
mayn't you have filibustered?
mayn't she have filibustered?
mayn't we have filibustered?
mayn't you have filibustered?
mayn't they have filibustered? 	mayn't I have been filibustering?
mayn't you have been filibustering?
mayn't she have been filibustering?
mayn't we have been filibustering?
mayn't you have been filibustering?
mayn't they have been filibustering?