English verb conjugation
MAY RIBBOR

Regular verb: ribbor - ribbored - ribbored

Affirmation

Simple form	V-ing form
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
Perfect	V-ing perfect
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
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
Perfect	V-ing perfect
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
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?
Perfect	V-ing perfect
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
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?
Perfect	V-ing perfect
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?