English verb conjugation
MAY TACK

Regular verb: tack - tacked - tacked

Affirmation

Simple form	V-ing form
I may tack you may tack she may tack we may tack you may tack they may tack	I may be tacking you may be tacking she may be tacking we may be tacking you may be tacking they may be tacking
Perfect	V-ing perfect
I may have tacked you may have tacked she may have tacked we may have tacked you may have tacked they may have tacked	I may have been tacking you may have been tacking she may have been tacking we may have been tacking you may have been tacking they may have been tacking

Negation

Simple form	V-ing form
I may not tack you may not tack she may not tack we may not tack you may not tack they may not tack	I may not be tacking you may not be tacking she may not be tacking we may not be tacking you may not be tacking they may not be tacking
Perfect	V-ing perfect
I may not have tacked you may not have tacked she may not have tacked we may not have tacked you may not have tacked they may not have tacked	I may not have been tacking you may not have been tacking she may not have been tacking we may not have been tacking you may not have been tacking they may not have been tacking

Interrogative form

Simple form	V-ing form
may I tack? may you tack? may she tack? may we tack? may you tack? may they tack?	may I be tacking? may you be tacking? may she be tacking? may we be tacking? may you be tacking? may they be tacking?
Perfect	V-ing perfect
may I have tacked? may you have tacked? may she have tacked? may we have tacked? may you have tacked? may they have tacked?	may I have been tacking? may you have been tacking? may she have been tacking? may we have been tacking? may you have been tacking? may they have been tacking?

Interro-negative form

Simple form	V-ing form
may I not tack? may you not tack? may she not tack? may we not tack? may you not tack? may they not tack?	may I not be tacking? may you not be tacking? may she not be tacking? may we not be tacking? may you not be tacking? may they not be tacking?
Perfect	V-ing perfect
may I not have tacked? may you not have tacked? may she not have tacked? may we not have tacked? may you not have tacked? may they not have tacked?	may I not have been tacking? may you not have been tacking? may she not have been tacking? may we not have been tacking? may you not have been tacking? may they not have been tacking?