English verb conjugation
MAY FLACK

Regular verb: flack - flacked - flacked

Affirmation

Simple form	V-ing form
I may flack you may flack he may flack we may flack you may flack they may flack	I may be flacking you may be flacking he may be flacking we may be flacking you may be flacking they may be flacking
Perfect	V-ing perfect
I may have flacked you may have flacked he may have flacked we may have flacked you may have flacked they may have flacked	I may have been flacking you may have been flacking he may have been flacking we may have been flacking you may have been flacking they may have been flacking

Negation

Simple form	V-ing form
I may not flack you may not flack he may not flack we may not flack you may not flack they may not flack	I may not be flacking you may not be flacking he may not be flacking we may not be flacking you may not be flacking they may not be flacking
Perfect	V-ing perfect
I may not have flacked you may not have flacked he may not have flacked we may not have flacked you may not have flacked they may not have flacked	I may not have been flacking you may not have been flacking he may not have been flacking we may not have been flacking you may not have been flacking they may not have been flacking

Interrogative form

Simple form	V-ing form
may I flack? may you flack? may he flack? may we flack? may you flack? may they flack?	may I be flacking? may you be flacking? may he be flacking? may we be flacking? may you be flacking? may they be flacking?
Perfect	V-ing perfect
may I have flacked? may you have flacked? may he have flacked? may we have flacked? may you have flacked? may they have flacked?	may I have been flacking? may you have been flacking? may he have been flacking? may we have been flacking? may you have been flacking? may they have been flacking?

Interro-negative form

Simple form	V-ing form
may I not flack? may you not flack? may he not flack? may we not flack? may you not flack? may they not flack?	may I not be flacking? may you not be flacking? may he not be flacking? may we not be flacking? may you not be flacking? may they not be flacking?
Perfect	V-ing perfect
may I not have flacked? may you not have flacked? may he not have flacked? may we not have flacked? may you not have flacked? may they not have flacked?	may I not have been flacking? may you not have been flacking? may he not have been flacking? may we not have been flacking? may you not have been flacking? may they not have been flacking?