may ribbor
Regular verb: ribbor - ribbored- ribbored

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I may ribbor
you may ribbor
he may ribbor
we may ribbor
you may ribbor
they may ribbor 	I may be ribboring
you may be ribboring
he may be ribboring
we may be ribboring
you may be ribboring
they may be ribboring	I may have ribbored
you may have ribbored
he may have ribbored
we may have ribbored
you may have ribbored
they may have ribbored	I may have been ribboring
you may have been ribboring
he may have been ribboring
we may have been ribboring
you may have been ribboring
they may have been ribboring	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I mayn't ribbor
you mayn't ribbor
he mayn't ribbor
we mayn't ribbor
you mayn't ribbor
they mayn't ribbor 	I mayn't be ribboring
you mayn't be ribboring
he mayn't be ribboring
we mayn't be ribboring
you mayn't be ribboring
they mayn't be ribboring	I mayn't have ribbored
you mayn't have ribbored
he mayn't have ribbored
we mayn't have ribbored
you mayn't have ribbored
they mayn't have ribbored	I mayn't have been ribboring
you mayn't have been ribboring
he mayn't have been ribboring
we mayn't have been ribboring
you mayn't have been ribboring
they mayn't have been ribboring	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
may I ribbor?
may you ribbor?
may he ribbor?
may we ribbor?
may you ribbor?
may they ribbor? 	may I be ribboring?
may you be ribboring?
may he be ribboring?
may we be ribboring?
may you be ribboring?
may they be ribboring? 	may I have ribbored?
may you have ribbored?
may he have ribbored?
may we have ribbored?
may you have ribbored?
may they have ribbored? 	may I have been ribboring?
may you have been ribboring?
may he have been ribboring?
may we have been ribboring?
may you have been ribboring?
may they have been ribboring? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
mayn't I ribbor?
mayn't you ribbor?
mayn't he ribbor?
mayn't we ribbor?
mayn't you ribbor?
mayn't they ribbor? 	mayn't I be ribboring?
mayn't you be ribboring?
mayn't he be ribboring?
mayn't we be ribboring?
mayn't you be ribboring?
mayn't they be ribboring? 	mayn't I have ribbored?
mayn't you have ribbored?
mayn't he have ribbored?
mayn't we have ribbored?
mayn't you have ribbored?
mayn't they have ribbored? 	mayn't I have been ribboring?
mayn't you have been ribboring?
mayn't he have been ribboring?
mayn't we have been ribboring?
mayn't you have been ribboring?
mayn't they have been ribboring?