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