English verb conjugation
MAY SING

Irregular verb: sing - sang - sung

Affirmation

Simple form	V-ing form
I may sing you may sing he may sing we may sing you may sing they may sing	I may be singing you may be singing he may be singing we may be singing you may be singing they may be singing
Perfect	V-ing perfect
I may have sung you may have sung he may have sung we may have sung you may have sung they may have sung	I may have been singing you may have been singing he may have been singing we may have been singing you may have been singing they may have been singing

Negation

Simple form	V-ing form
I may not sing you may not sing he may not sing we may not sing you may not sing they may not sing	I may not be singing you may not be singing he may not be singing we may not be singing you may not be singing they may not be singing
Perfect	V-ing perfect
I may not have sung you may not have sung he may not have sung we may not have sung you may not have sung they may not have sung	I may not have been singing you may not have been singing he may not have been singing we may not have been singing you may not have been singing they may not have been singing

Interrogative form

Simple form	V-ing form
may I sing? may you sing? may he sing? may we sing? may you sing? may they sing?	may I be singing? may you be singing? may he be singing? may we be singing? may you be singing? may they be singing?
Perfect	V-ing perfect
may I have sung? may you have sung? may he have sung? may we have sung? may you have sung? may they have sung?	may I have been singing? may you have been singing? may he have been singing? may we have been singing? may you have been singing? may they have been singing?

Interro-negative form

Simple form	V-ing form
may I not sing? may you not sing? may he not sing? may we not sing? may you not sing? may they not sing?	may I not be singing? may you not be singing? may he not be singing? may we not be singing? may you not be singing? may they not be singing?
Perfect	V-ing perfect
may I not have sung? may you not have sung? may he not have sung? may we not have sung? may you not have sung? may they not have sung?	may I not have been singing? may you not have been singing? may he not have been singing? may we not have been singing? may you not have been singing? may they not have been singing?