English verb conjugation
MAY JACK

Regular verb: jack - jacked - jacked

Affirmation

Simple form	V-ing form
I may jack you may jack she may jack we may jack you may jack they may jack	I may be jacking you may be jacking she may be jacking we may be jacking you may be jacking they may be jacking
Perfect	V-ing perfect
I may have jacked you may have jacked she may have jacked we may have jacked you may have jacked they may have jacked	I may have been jacking you may have been jacking she may have been jacking we may have been jacking you may have been jacking they may have been jacking

Negation

Simple form	V-ing form
I may not jack you may not jack she may not jack we may not jack you may not jack they may not jack	I may not be jacking you may not be jacking she may not be jacking we may not be jacking you may not be jacking they may not be jacking
Perfect	V-ing perfect
I may not have jacked you may not have jacked she may not have jacked we may not have jacked you may not have jacked they may not have jacked	I may not have been jacking you may not have been jacking she may not have been jacking we may not have been jacking you may not have been jacking they may not have been jacking

Interrogative form

Simple form	V-ing form
may I jack? may you jack? may she jack? may we jack? may you jack? may they jack?	may I be jacking? may you be jacking? may she be jacking? may we be jacking? may you be jacking? may they be jacking?
Perfect	V-ing perfect
may I have jacked? may you have jacked? may she have jacked? may we have jacked? may you have jacked? may they have jacked?	may I have been jacking? may you have been jacking? may she have been jacking? may we have been jacking? may you have been jacking? may they have been jacking?

Interro-negative form

Simple form	V-ing form
may I not jack? may you not jack? may she not jack? may we not jack? may you not jack? may they not jack?	may I not be jacking? may you not be jacking? may she not be jacking? may we not be jacking? may you not be jacking? may they not be jacking?
Perfect	V-ing perfect
may I not have jacked? may you not have jacked? may she not have jacked? may we not have jacked? may you not have jacked? may they not have jacked?	may I not have been jacking? may you not have been jacking? may she not have been jacking? may we not have been jacking? may you not have been jacking? may they not have been jacking?