English verb conjugation
MAY PREFAB

Regular verb: prefab - prefabed - prefabed

Affirmation

Simple form	V-ing form
I may prefab you may prefab he may prefab we may prefab you may prefab they may prefab	I may be prefabing you may be prefabing he may be prefabing we may be prefabing you may be prefabing they may be prefabing
Perfect	V-ing perfect
I may have prefabed you may have prefabed he may have prefabed we may have prefabed you may have prefabed they may have prefabed	I may have been prefabing you may have been prefabing he may have been prefabing we may have been prefabing you may have been prefabing they may have been prefabing

Negation

Simple form	V-ing form
I mayn't prefab you mayn't prefab he mayn't prefab we mayn't prefab you mayn't prefab they mayn't prefab	I mayn't be prefabing you mayn't be prefabing he mayn't be prefabing we mayn't be prefabing you mayn't be prefabing they mayn't be prefabing
Perfect	V-ing perfect
I mayn't have prefabed you mayn't have prefabed he mayn't have prefabed we mayn't have prefabed you mayn't have prefabed they mayn't have prefabed	I mayn't have been prefabing you mayn't have been prefabing he mayn't have been prefabing we mayn't have been prefabing you mayn't have been prefabing they mayn't have been prefabing

Interrogative form

Simple form	V-ing form
may I prefab? may you prefab? may he prefab? may we prefab? may you prefab? may they prefab?	may I be prefabing? may you be prefabing? may he be prefabing? may we be prefabing? may you be prefabing? may they be prefabing?
Perfect	V-ing perfect
may I have prefabed? may you have prefabed? may he have prefabed? may we have prefabed? may you have prefabed? may they have prefabed?	may I have been prefabing? may you have been prefabing? may he have been prefabing? may we have been prefabing? may you have been prefabing? may they have been prefabing?

Interro-negative form

Simple form	V-ing form
mayn't I prefab? mayn't you prefab? mayn't he prefab? mayn't we prefab? mayn't you prefab? mayn't they prefab?	mayn't I be prefabing? mayn't you be prefabing? mayn't he be prefabing? mayn't we be prefabing? mayn't you be prefabing? mayn't they be prefabing?
Perfect	V-ing perfect
mayn't I have prefabed? mayn't you have prefabed? mayn't he have prefabed? mayn't we have prefabed? mayn't you have prefabed? mayn't they have prefabed?	mayn't I have been prefabing? mayn't you have been prefabing? mayn't he have been prefabing? mayn't we have been prefabing? mayn't you have been prefabing? mayn't they have been prefabing?