English verb conjugation
MAY SERVE

Regular verb: serve - served - served

Affirmation

Simple form	V-ing form
I may serve you may serve she may serve we may serve you may serve they may serve	I may be serving you may be serving she may be serving we may be serving you may be serving they may be serving
Perfect	V-ing perfect
I may have served you may have served she may have served we may have served you may have served they may have served	I may have been serving you may have been serving she may have been serving we may have been serving you may have been serving they may have been serving

Negation

Simple form	V-ing form
I may not serve you may not serve she may not serve we may not serve you may not serve they may not serve	I may not be serving you may not be serving she may not be serving we may not be serving you may not be serving they may not be serving
Perfect	V-ing perfect
I may not have served you may not have served she may not have served we may not have served you may not have served they may not have served	I may not have been serving you may not have been serving she may not have been serving we may not have been serving you may not have been serving they may not have been serving

Interrogative form

Simple form	V-ing form
may I serve? may you serve? may she serve? may we serve? may you serve? may they serve?	may I be serving? may you be serving? may she be serving? may we be serving? may you be serving? may they be serving?
Perfect	V-ing perfect
may I have served? may you have served? may she have served? may we have served? may you have served? may they have served?	may I have been serving? may you have been serving? may she have been serving? may we have been serving? may you have been serving? may they have been serving?

Interro-negative form

Simple form	V-ing form
may I not serve? may you not serve? may she not serve? may we not serve? may you not serve? may they not serve?	may I not be serving? may you not be serving? may she not be serving? may we not be serving? may you not be serving? may they not be serving?
Perfect	V-ing perfect
may I not have served? may you not have served? may she not have served? may we not have served? may you not have served? may they not have served?	may I not have been serving? may you not have been serving? may she not have been serving? may we not have been serving? may you not have been serving? may they not have been serving?