English verb conjugation
MAY QUARTERBACK

Regular verb: quarterback - quarterbacked - quarterbacked

Affirmation

Simple form	V-ing form
I may quarterback you may quarterback he may quarterback we may quarterback you may quarterback they may quarterback	I may be quarterbacking you may be quarterbacking he may be quarterbacking we may be quarterbacking you may be quarterbacking they may be quarterbacking
Perfect	V-ing perfect
I may have quarterbacked you may have quarterbacked he may have quarterbacked we may have quarterbacked you may have quarterbacked they may have quarterbacked	I may have been quarterbacking you may have been quarterbacking he may have been quarterbacking we may have been quarterbacking you may have been quarterbacking they may have been quarterbacking

Negation

Simple form	V-ing form
I may not quarterback you may not quarterback he may not quarterback we may not quarterback you may not quarterback they may not quarterback	I may not be quarterbacking you may not be quarterbacking he may not be quarterbacking we may not be quarterbacking you may not be quarterbacking they may not be quarterbacking
Perfect	V-ing perfect
I may not have quarterbacked you may not have quarterbacked he may not have quarterbacked we may not have quarterbacked you may not have quarterbacked they may not have quarterbacked	I may not have been quarterbacking you may not have been quarterbacking he may not have been quarterbacking we may not have been quarterbacking you may not have been quarterbacking they may not have been quarterbacking

Interrogative form

Simple form	V-ing form
may I quarterback? may you quarterback? may he quarterback? may we quarterback? may you quarterback? may they quarterback?	may I be quarterbacking? may you be quarterbacking? may he be quarterbacking? may we be quarterbacking? may you be quarterbacking? may they be quarterbacking?
Perfect	V-ing perfect
may I have quarterbacked? may you have quarterbacked? may he have quarterbacked? may we have quarterbacked? may you have quarterbacked? may they have quarterbacked?	may I have been quarterbacking? may you have been quarterbacking? may he have been quarterbacking? may we have been quarterbacking? may you have been quarterbacking? may they have been quarterbacking?

Interro-negative form

Simple form	V-ing form
may I not quarterback? may you not quarterback? may he not quarterback? may we not quarterback? may you not quarterback? may they not quarterback?	may I not be quarterbacking? may you not be quarterbacking? may he not be quarterbacking? may we not be quarterbacking? may you not be quarterbacking? may they not be quarterbacking?
Perfect	V-ing perfect
may I not have quarterbacked? may you not have quarterbacked? may he not have quarterbacked? may we not have quarterbacked? may you not have quarterbacked? may they not have quarterbacked?	may I not have been quarterbacking? may you not have been quarterbacking? may he not have been quarterbacking? may we not have been quarterbacking? may you not have been quarterbacking? may they not have been quarterbacking?