Warning, this verb may not exist. Conjugation is given as example.
Affirmation
Simple form
I may laughter you may laughter she may laughter we may laughter you may laughter they may laughter
V-ing form
I may be laughtering you may be laughtering she may be laughtering we may be laughtering you may be laughtering they may be laughtering
Perfect
I may have laughtered you may have laughtered she may have laughtered we may have laughtered you may have laughtered they may have laughtered
V-ing perfect
I may have been laughtering you may have been laughtering she may have been laughtering we may have been laughtering you may have been laughtering they may have been laughtering
Negation
Simple form
I may not laughter you may not laughter she may not laughter we may not laughter you may not laughter they may not laughter
V-ing form
I may not be laughtering you may not be laughtering she may not be laughtering we may not be laughtering you may not be laughtering they may not be laughtering
Perfect
I may not have laughtered you may not have laughtered she may not have laughtered we may not have laughtered you may not have laughtered they may not have laughtered
V-ing perfect
I may not have been laughtering you may not have been laughtering she may not have been laughtering we may not have been laughtering you may not have been laughtering they may not have been laughtering
Interrogative form
Simple form
may I laughter? may you laughter? may she laughter? may we laughter? may you laughter? may they laughter?
V-ing form
may I be laughtering? may you be laughtering? may she be laughtering? may we be laughtering? may you be laughtering? may they be laughtering?
Perfect
may I have laughtered? may you have laughtered? may she have laughtered? may we have laughtered? may you have laughtered? may they have laughtered?
V-ing perfect
may I have been laughtering? may you have been laughtering? may she have been laughtering? may we have been laughtering? may you have been laughtering? may they have been laughtering?
Interro-negative form
Simple form
may I not laughter? may you not laughter? may she not laughter? may we not laughter? may you not laughter? may they not laughter?
V-ing form
may I not be laughtering? may you not be laughtering? may she not be laughtering? may we not be laughtering? may you not be laughtering? may they not be laughtering?
Perfect
may I not have laughtered? may you not have laughtered? may she not have laughtered? may we not have laughtered? may you not have laughtered? may they not have laughtered?
V-ing perfect
may I not have been laughtering? may you not have been laughtering? may she not have been laughtering? may we not have been laughtering? may you not have been laughtering? may they not have been laughtering?