English verb conjugation
MAY PREFIX

Regular verb: prefix - prefixed - prefixed

Affirmation

Simple form	V-ing form
I may prefix you may prefix he may prefix we may prefix you may prefix they may prefix	I may be prefixing you may be prefixing he may be prefixing we may be prefixing you may be prefixing they may be prefixing
Perfect	V-ing perfect
I may have prefixed you may have prefixed he may have prefixed we may have prefixed you may have prefixed they may have prefixed	I may have been prefixing you may have been prefixing he may have been prefixing we may have been prefixing you may have been prefixing they may have been prefixing

Negation

Simple form	V-ing form
I may not prefix you may not prefix he may not prefix we may not prefix you may not prefix they may not prefix	I may not be prefixing you may not be prefixing he may not be prefixing we may not be prefixing you may not be prefixing they may not be prefixing
Perfect	V-ing perfect
I may not have prefixed you may not have prefixed he may not have prefixed we may not have prefixed you may not have prefixed they may not have prefixed	I may not have been prefixing you may not have been prefixing he may not have been prefixing we may not have been prefixing you may not have been prefixing they may not have been prefixing

Interrogative form

Simple form	V-ing form
may I prefix? may you prefix? may he prefix? may we prefix? may you prefix? may they prefix?	may I be prefixing? may you be prefixing? may he be prefixing? may we be prefixing? may you be prefixing? may they be prefixing?
Perfect	V-ing perfect
may I have prefixed? may you have prefixed? may he have prefixed? may we have prefixed? may you have prefixed? may they have prefixed?	may I have been prefixing? may you have been prefixing? may he have been prefixing? may we have been prefixing? may you have been prefixing? may they have been prefixing?

Interro-negative form

Simple form	V-ing form
may I not prefix? may you not prefix? may he not prefix? may we not prefix? may you not prefix? may they not prefix?	may I not be prefixing? may you not be prefixing? may he not be prefixing? may we not be prefixing? may you not be prefixing? may they not be prefixing?
Perfect	V-ing perfect
may I not have prefixed? may you not have prefixed? may he not have prefixed? may we not have prefixed? may you not have prefixed? may they not have prefixed?	may I not have been prefixing? may you not have been prefixing? may he not have been prefixing? may we not have been prefixing? may you not have been prefixing? may they not have been prefixing?