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 may not prefab you may not prefab he may not prefab we may not prefab you may not prefab they may not prefab	I may not be prefabing you may not be prefabing he may not be prefabing we may not be prefabing you may not be prefabing they may not be prefabing
Perfect	V-ing perfect
I may not have prefabed you may not have prefabed he may not have prefabed we may not have prefabed you may not have prefabed they may not have prefabed	I may not have been prefabing you may not have been prefabing he may not have been prefabing we may not have been prefabing you may not have been prefabing they may not 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
may I not prefab? may you not prefab? may he not prefab? may we not prefab? may you not prefab? may they not prefab?	may I not be prefabing? may you not be prefabing? may he not be prefabing? may we not be prefabing? may you not be prefabing? may they not be prefabing?
Perfect	V-ing perfect
may I not have prefabed? may you not have prefabed? may he not have prefabed? may we not have prefabed? may you not have prefabed? may they not have prefabed?	may I not have been prefabing? may you not have been prefabing? may he not have been prefabing? may we not have been prefabing? may you not have been prefabing? may they not have been prefabing?