
Regular verb: display - displayed - displayed
Simple form | V-ing form | 
| I may display you may display she may display we may display you may display they may display  | I may be displaying you may be displaying she may be displaying we may be displaying you may be displaying they may be displaying  | 
Perfect | V-ing perfect | 
| I may have displayed you may have displayed she may have displayed we may have displayed you may have displayed they may have displayed  | I may have been displaying you may have been displaying she may have been displaying we may have been displaying you may have been displaying they may have been displaying  | 
Simple form | V-ing form | 
| I mayn't display you mayn't display she mayn't display we mayn't display you mayn't display they mayn't display  | I mayn't be displaying you mayn't be displaying she mayn't be displaying we mayn't be displaying you mayn't be displaying they mayn't be displaying  | 
Perfect | V-ing perfect | 
| I mayn't have displayed you mayn't have displayed she mayn't have displayed we mayn't have displayed you mayn't have displayed they mayn't have displayed  | I mayn't have been displaying you mayn't have been displaying she mayn't have been displaying we mayn't have been displaying you mayn't have been displaying they mayn't have been displaying  | 
Simple form | V-ing form | 
| may I display? may you display? may she display? may we display? may you display? may they display?  | may I be displaying? may you be displaying? may she be displaying? may we be displaying? may you be displaying? may they be displaying?  | 
Perfect | V-ing perfect | 
| may I have displayed? may you have displayed? may she have displayed? may we have displayed? may you have displayed? may they have displayed?  | may I have been displaying? may you have been displaying? may she have been displaying? may we have been displaying? may you have been displaying? may they have been displaying?  | 
Simple form | V-ing form | 
| mayn't I display? mayn't you display? mayn't she display? mayn't we display? mayn't you display? mayn't they display?  | mayn't I be displaying? mayn't you be displaying? mayn't she be displaying? mayn't we be displaying? mayn't you be displaying? mayn't they be displaying?  | 
Perfect | V-ing perfect | 
| mayn't I have displayed? mayn't you have displayed? mayn't she have displayed? mayn't we have displayed? mayn't you have displayed? mayn't they have displayed?  | mayn't I have been displaying? mayn't you have been displaying? mayn't she have been displaying? mayn't we have been displaying? mayn't you have been displaying? mayn't they have been displaying?  |