I may lunch you may lunch she may lunch we may lunch you may lunch they may lunch
V-ing form
I may be lunching you may be lunching she may be lunching we may be lunching you may be lunching they may be lunching
Perfect
I may have lunched you may have lunched she may have lunched we may have lunched you may have lunched they may have lunched
V-ing perfect
I may have been lunching you may have been lunching she may have been lunching we may have been lunching you may have been lunching they may have been lunching
Negation
Simple form
I mayn't lunch you mayn't lunch she mayn't lunch we mayn't lunch you mayn't lunch they mayn't lunch
V-ing form
I mayn't be lunching you mayn't be lunching she mayn't be lunching we mayn't be lunching you mayn't be lunching they mayn't be lunching
Perfect
I mayn't have lunched you mayn't have lunched she mayn't have lunched we mayn't have lunched you mayn't have lunched they mayn't have lunched
V-ing perfect
I mayn't have been lunching you mayn't have been lunching she mayn't have been lunching we mayn't have been lunching you mayn't have been lunching they mayn't have been lunching
Interrogative form
Simple form
may I lunch? may you lunch? may she lunch? may we lunch? may you lunch? may they lunch?
V-ing form
may I be lunching? may you be lunching? may she be lunching? may we be lunching? may you be lunching? may they be lunching?
Perfect
may I have lunched? may you have lunched? may she have lunched? may we have lunched? may you have lunched? may they have lunched?
V-ing perfect
may I have been lunching? may you have been lunching? may she have been lunching? may we have been lunching? may you have been lunching? may they have been lunching?
Interro-negative form
Simple form
mayn't I lunch? mayn't you lunch? mayn't she lunch? mayn't we lunch? mayn't you lunch? mayn't they lunch?
V-ing form
mayn't I be lunching? mayn't you be lunching? mayn't she be lunching? mayn't we be lunching? mayn't you be lunching? mayn't they be lunching?
Perfect
mayn't I have lunched? mayn't you have lunched? mayn't she have lunched? mayn't we have lunched? mayn't you have lunched? mayn't they have lunched?
V-ing perfect
mayn't I have been lunching? mayn't you have been lunching? mayn't she have been lunching? mayn't we have been lunching? mayn't you have been lunching? mayn't they have been lunching?