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