may protrude
Regular verb: protrude - protruded- protruded

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I may protrude
you may protrude
she may protrude
we may protrude
you may protrude
they may protrude 	I may be protruding
you may be protruding
she may be protruding
we may be protruding
you may be protruding
they may be protruding	I may have protruded
you may have protruded
she may have protruded
we may have protruded
you may have protruded
they may have protruded	I may have been protruding
you may have been protruding
she may have been protruding
we may have been protruding
you may have been protruding
they may have been protruding	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I mayn't protrude
you mayn't protrude
she mayn't protrude
we mayn't protrude
you mayn't protrude
they mayn't protrude 	I mayn't be protruding
you mayn't be protruding
she mayn't be protruding
we mayn't be protruding
you mayn't be protruding
they mayn't be protruding	I mayn't have protruded
you mayn't have protruded
she mayn't have protruded
we mayn't have protruded
you mayn't have protruded
they mayn't have protruded	I mayn't have been protruding
you mayn't have been protruding
she mayn't have been protruding
we mayn't have been protruding
you mayn't have been protruding
they mayn't have been protruding	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
may I protrude?
may you protrude?
may she protrude?
may we protrude?
may you protrude?
may they protrude? 	may I be protruding?
may you be protruding?
may she be protruding?
may we be protruding?
may you be protruding?
may they be protruding? 	may I have protruded?
may you have protruded?
may she have protruded?
may we have protruded?
may you have protruded?
may they have protruded? 	may I have been protruding?
may you have been protruding?
may she have been protruding?
may we have been protruding?
may you have been protruding?
may they have been protruding? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
mayn't I protrude?
mayn't you protrude?
mayn't she protrude?
mayn't we protrude?
mayn't you protrude?
mayn't they protrude? 	mayn't I be protruding?
mayn't you be protruding?
mayn't she be protruding?
mayn't we be protruding?
mayn't you be protruding?
mayn't they be protruding? 	mayn't I have protruded?
mayn't you have protruded?
mayn't she have protruded?
mayn't we have protruded?
mayn't you have protruded?
mayn't they have protruded? 	mayn't I have been protruding?
mayn't you have been protruding?
mayn't she have been protruding?
mayn't we have been protruding?
mayn't you have been protruding?
mayn't they have been protruding?