English verb conjugation
MAY HEAD

Regular verb: head - headed - headed

Affirmation

Simple form	V-ing form
I may head you may head he may head we may head you may head they may head	I may be heading you may be heading he 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 he 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 he 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 he 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 he 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 he 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 he 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 he head? may we head? may you head? may they head?	may I be heading? may you be heading? may he 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 he 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 he 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 he 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 he 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 he 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 he not have been heading? may we not have been heading? may you not have been heading? may they not have been heading?