I may faint you may faint he may faint we may faint you may faint they may faint
V-ing form
I may be fainting you may be fainting he may be fainting we may be fainting you may be fainting they may be fainting
Perfect
I may have fainted you may have fainted he may have fainted we may have fainted you may have fainted they may have fainted
V-ing perfect
I may have been fainting you may have been fainting he may have been fainting we may have been fainting you may have been fainting they may have been fainting
Negation
Simple form
I mayn't faint you mayn't faint he mayn't faint we mayn't faint you mayn't faint they mayn't faint
V-ing form
I mayn't be fainting you mayn't be fainting he mayn't be fainting we mayn't be fainting you mayn't be fainting they mayn't be fainting
Perfect
I mayn't have fainted you mayn't have fainted he mayn't have fainted we mayn't have fainted you mayn't have fainted they mayn't have fainted
V-ing perfect
I mayn't have been fainting you mayn't have been fainting he mayn't have been fainting we mayn't have been fainting you mayn't have been fainting they mayn't have been fainting
Interrogative form
Simple form
may I faint? may you faint? may he faint? may we faint? may you faint? may they faint?
V-ing form
may I be fainting? may you be fainting? may he be fainting? may we be fainting? may you be fainting? may they be fainting?
Perfect
may I have fainted? may you have fainted? may he have fainted? may we have fainted? may you have fainted? may they have fainted?
V-ing perfect
may I have been fainting? may you have been fainting? may he have been fainting? may we have been fainting? may you have been fainting? may they have been fainting?
Interro-negative form
Simple form
mayn't I faint? mayn't you faint? mayn't he faint? mayn't we faint? mayn't you faint? mayn't they faint?
V-ing form
mayn't I be fainting? mayn't you be fainting? mayn't he be fainting? mayn't we be fainting? mayn't you be fainting? mayn't they be fainting?
Perfect
mayn't I have fainted? mayn't you have fainted? mayn't he have fainted? mayn't we have fainted? mayn't you have fainted? mayn't they have fainted?
V-ing perfect
mayn't I have been fainting? mayn't you have been fainting? mayn't he have been fainting? mayn't we have been fainting? mayn't you have been fainting? mayn't they have been fainting?