English verb conjugation
MAY LETTER

Regular verb: letter - lettered - lettered

Affirmation

Simple form	V-ing form
I may letter you may letter he may letter we may letter you may letter they may letter	I may be lettering you may be lettering he may be lettering we may be lettering you may be lettering they may be lettering
Perfect	V-ing perfect
I may have lettered you may have lettered he may have lettered we may have lettered you may have lettered they may have lettered	I may have been lettering you may have been lettering he may have been lettering we may have been lettering you may have been lettering they may have been lettering

Negation

Simple form	V-ing form
I may not letter you may not letter he may not letter we may not letter you may not letter they may not letter	I may not be lettering you may not be lettering he may not be lettering we may not be lettering you may not be lettering they may not be lettering
Perfect	V-ing perfect
I may not have lettered you may not have lettered he may not have lettered we may not have lettered you may not have lettered they may not have lettered	I may not have been lettering you may not have been lettering he may not have been lettering we may not have been lettering you may not have been lettering they may not have been lettering

Interrogative form

Simple form	V-ing form
may I letter? may you letter? may he letter? may we letter? may you letter? may they letter?	may I be lettering? may you be lettering? may he be lettering? may we be lettering? may you be lettering? may they be lettering?
Perfect	V-ing perfect
may I have lettered? may you have lettered? may he have lettered? may we have lettered? may you have lettered? may they have lettered?	may I have been lettering? may you have been lettering? may he have been lettering? may we have been lettering? may you have been lettering? may they have been lettering?

Interro-negative form

Simple form	V-ing form
may I not letter? may you not letter? may he not letter? may we not letter? may you not letter? may they not letter?	may I not be lettering? may you not be lettering? may he not be lettering? may we not be lettering? may you not be lettering? may they not be lettering?
Perfect	V-ing perfect
may I not have lettered? may you not have lettered? may he not have lettered? may we not have lettered? may you not have lettered? may they not have lettered?	may I not have been lettering? may you not have been lettering? may he not have been lettering? may we not have been lettering? may you not have been lettering? may they not have been lettering?