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 mayn't untack you mayn't untack he mayn't untack we mayn't untack you mayn't untack they mayn't untack	I mayn't be untacking you mayn't be untacking he mayn't be untacking we mayn't be untacking you mayn't be untacking they mayn't be untacking
Perfect	V-ing perfect
I mayn't have untacked you mayn't have untacked he mayn't have untacked we mayn't have untacked you mayn't have untacked they mayn't have untacked	I mayn't have been untacking you mayn't have been untacking he mayn't have been untacking we mayn't have been untacking you mayn't have been untacking they mayn't 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
mayn't I untack? mayn't you untack? mayn't he untack? mayn't we untack? mayn't you untack? mayn't they untack?	mayn't I be untacking? mayn't you be untacking? mayn't he be untacking? mayn't we be untacking? mayn't you be untacking? mayn't they be untacking?
Perfect	V-ing perfect
mayn't I have untacked? mayn't you have untacked? mayn't he have untacked? mayn't we have untacked? mayn't you have untacked? mayn't they have untacked?	mayn't I have been untacking? mayn't you have been untacking? mayn't he have been untacking? mayn't we have been untacking? mayn't you have been untacking? mayn't they have been untacking?