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