English verb conjugation
MAY HEAD

Regular verb: head - headed - headed

Affirmation

Simple form	V-ing form
I may head you may head she may head we may head you may head they may head	I may be heading you may be heading she may be heading we may be heading you may be heading they may be heading
Perfect	V-ing perfect
I may have headed you may have headed she may have headed we may have headed you may have headed they may have headed	I may have been heading you may have been heading she may have been heading we may have been heading you may have been heading they may have been heading

Negation

Simple form	V-ing form
I may not head you may not head she may not head we may not head you may not head they may not head	I may not be heading you may not be heading she may not be heading we may not be heading you may not be heading they may not be heading
Perfect	V-ing perfect
I may not have headed you may not have headed she may not have headed we may not have headed you may not have headed they may not have headed	I may not have been heading you may not have been heading she may not have been heading we may not have been heading you may not have been heading they may not have been heading

Interrogative form

Simple form	V-ing form
may I head? may you head? may she head? may we head? may you head? may they head?	may I be heading? may you be heading? may she be heading? may we be heading? may you be heading? may they be heading?
Perfect	V-ing perfect
may I have headed? may you have headed? may she have headed? may we have headed? may you have headed? may they have headed?	may I have been heading? may you have been heading? may she have been heading? may we have been heading? may you have been heading? may they have been heading?

Interro-negative form

Simple form	V-ing form
may I not head? may you not head? may she not head? may we not head? may you not head? may they not head?	may I not be heading? may you not be heading? may she not be heading? may we not be heading? may you not be heading? may they not be heading?
Perfect	V-ing perfect
may I not have headed? may you not have headed? may she not have headed? may we not have headed? may you not have headed? may they not have headed?	may I not have been heading? may you not have been heading? may she not have been heading? may we not have been heading? may you not have been heading? may they not have been heading?