may filibuster
Regular verb: filibuster - filibustered- filibustered

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I may filibuster
you may filibuster
he may filibuster
we may filibuster
you may filibuster
they may filibuster 	I may be filibustering
you may be filibustering
he may be filibustering
we may be filibustering
you may be filibustering
they may be filibustering	I may have filibustered
you may have filibustered
he 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
he 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
he 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
he 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
he 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
he 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 he filibuster?
may we filibuster?
may you filibuster?
may they filibuster? 	may I be filibustering?
may you be filibustering?
may he be filibustering?
may we be filibustering?
may you be filibustering?
may they be filibustering? 	may I have filibustered?
may you have filibustered?
may he 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 he 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 he 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 he 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 he 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 he have been filibustering?
mayn't we have been filibustering?
mayn't you have been filibustering?
mayn't they have been filibustering?