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