English verb conjugation
MAY UNTACK

Regular verb: untack - untacked - untacked

Affirmation

Simple form	V-ing form
I may untack you may untack he may untack we may untack you may untack they may untack	I may be untacking you may be untacking he may be untacking we may be untacking you may be untacking they may be untacking
Perfect	V-ing perfect
I may have untacked you may have untacked he may have untacked we may have untacked you may have untacked they may have untacked	I may have been untacking you may have been untacking he may have been untacking we may have been untacking you may have been untacking they may have been untacking

Negation

Simple form	V-ing form
I may not untack you may not untack he may not untack we may not untack you may not untack they may not untack	I may not be untacking you may not be untacking he may not be untacking we may not be untacking you may not be untacking they may not be untacking
Perfect	V-ing perfect
I may not have untacked you may not have untacked he may not have untacked we may not have untacked you may not have untacked they may not have untacked	I may not have been untacking you may not have been untacking he may not have been untacking we may not have been untacking you may not have been untacking they may not have been untacking

Interrogative form

Simple form	V-ing form
may I untack? may you untack? may he untack? may we untack? may you untack? may they untack?	may I be untacking? may you be untacking? may he be untacking? may we be untacking? may you be untacking? may they be untacking?
Perfect	V-ing perfect
may I have untacked? may you have untacked? may he have untacked? may we have untacked? may you have untacked? may they have untacked?	may I have been untacking? may you have been untacking? may he have been untacking? may we have been untacking? may you have been untacking? may they have been untacking?

Interro-negative form

Simple form	V-ing form
may I not untack? may you not untack? may he not untack? may we not untack? may you not untack? may they not untack?	may I not be untacking? may you not be untacking? may he not be untacking? may we not be untacking? may you not be untacking? may they not be untacking?
Perfect	V-ing perfect
may I not have untacked? may you not have untacked? may he not have untacked? may we not have untacked? may you not have untacked? may they not have untacked?	may I not have been untacking? may you not have been untacking? may he not have been untacking? may we not have been untacking? may you not have been untacking? may they not have been untacking?