may protrude
Regular verb: protrude - protruded- protruded

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I may protrude
you may protrude
he may protrude
we may protrude
you may protrude
they may protrude 	I may be protruding
you may be protruding
he may be protruding
we may be protruding
you may be protruding
they may be protruding	I may have protruded
you may have protruded
he 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
he 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
he 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
he 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
he 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
he 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 he protrude?
may we protrude?
may you protrude?
may they protrude? 	may I be protruding?
may you be protruding?
may he be protruding?
may we be protruding?
may you be protruding?
may they be protruding? 	may I have protruded?
may you have protruded?
may he 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 he 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 he 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 he 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 he 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 he have been protruding?
mayn't we have been protruding?
mayn't you have been protruding?
mayn't they have been protruding?