English verb conjugation
MAY DEMONSTRATE

Regular verb: demonstrate - demonstrated - demonstrated

Affirmation

Simple form	V-ing form
I may demonstrate you may demonstrate he may demonstrate we may demonstrate you may demonstrate they may demonstrate	I may be demonstrating you may be demonstrating he may be demonstrating we may be demonstrating you may be demonstrating they may be demonstrating
Perfect	V-ing perfect
I may have demonstrated you may have demonstrated he may have demonstrated we may have demonstrated you may have demonstrated they may have demonstrated	I may have been demonstrating you may have been demonstrating he may have been demonstrating we may have been demonstrating you may have been demonstrating they may have been demonstrating

Negation

Simple form	V-ing form
I may not demonstrate you may not demonstrate he may not demonstrate we may not demonstrate you may not demonstrate they may not demonstrate	I may not be demonstrating you may not be demonstrating he may not be demonstrating we may not be demonstrating you may not be demonstrating they may not be demonstrating
Perfect	V-ing perfect
I may not have demonstrated you may not have demonstrated he may not have demonstrated we may not have demonstrated you may not have demonstrated they may not have demonstrated	I may not have been demonstrating you may not have been demonstrating he may not have been demonstrating we may not have been demonstrating you may not have been demonstrating they may not have been demonstrating

Interrogative form

Simple form	V-ing form
may I demonstrate? may you demonstrate? may he demonstrate? may we demonstrate? may you demonstrate? may they demonstrate?	may I be demonstrating? may you be demonstrating? may he be demonstrating? may we be demonstrating? may you be demonstrating? may they be demonstrating?
Perfect	V-ing perfect
may I have demonstrated? may you have demonstrated? may he have demonstrated? may we have demonstrated? may you have demonstrated? may they have demonstrated?	may I have been demonstrating? may you have been demonstrating? may he have been demonstrating? may we have been demonstrating? may you have been demonstrating? may they have been demonstrating?

Interro-negative form

Simple form	V-ing form
may I not demonstrate? may you not demonstrate? may he not demonstrate? may we not demonstrate? may you not demonstrate? may they not demonstrate?	may I not be demonstrating? may you not be demonstrating? may he not be demonstrating? may we not be demonstrating? may you not be demonstrating? may they not be demonstrating?
Perfect	V-ing perfect
may I not have demonstrated? may you not have demonstrated? may he not have demonstrated? may we not have demonstrated? may you not have demonstrated? may they not have demonstrated?	may I not have been demonstrating? may you not have been demonstrating? may he not have been demonstrating? may we not have been demonstrating? may you not have been demonstrating? may they not have been demonstrating?