
Regular verb: wait - waited - waited
Simple form | V-ing form | 
| I may wait you may wait he may wait we may wait you may wait they may wait  | I may be waiting you may be waiting he may be waiting we may be waiting you may be waiting they may be waiting  | 
Perfect | V-ing perfect | 
| I may have waited you may have waited he may have waited we may have waited you may have waited they may have waited  | I may have been waiting you may have been waiting he may have been waiting we may have been waiting you may have been waiting they may have been waiting  | 
Simple form | V-ing form | 
| I mayn't wait you mayn't wait he mayn't wait we mayn't wait you mayn't wait they mayn't wait  | I mayn't be waiting you mayn't be waiting he mayn't be waiting we mayn't be waiting you mayn't be waiting they mayn't be waiting  | 
Perfect | V-ing perfect | 
| I mayn't have waited you mayn't have waited he mayn't have waited we mayn't have waited you mayn't have waited they mayn't have waited  | I mayn't have been waiting you mayn't have been waiting he mayn't have been waiting we mayn't have been waiting you mayn't have been waiting they mayn't have been waiting  | 
Simple form | V-ing form | 
| may I wait? may you wait? may he wait? may we wait? may you wait? may they wait?  | may I be waiting? may you be waiting? may he be waiting? may we be waiting? may you be waiting? may they be waiting?  | 
Perfect | V-ing perfect | 
| may I have waited? may you have waited? may he have waited? may we have waited? may you have waited? may they have waited?  | may I have been waiting? may you have been waiting? may he have been waiting? may we have been waiting? may you have been waiting? may they have been waiting?  | 
Simple form | V-ing form | 
| mayn't I wait? mayn't you wait? mayn't he wait? mayn't we wait? mayn't you wait? mayn't they wait?  | mayn't I be waiting? mayn't you be waiting? mayn't he be waiting? mayn't we be waiting? mayn't you be waiting? mayn't they be waiting?  | 
Perfect | V-ing perfect | 
| mayn't I have waited? mayn't you have waited? mayn't he have waited? mayn't we have waited? mayn't you have waited? mayn't they have waited?  | mayn't I have been waiting? mayn't you have been waiting? mayn't he have been waiting? mayn't we have been waiting? mayn't you have been waiting? mayn't they have been waiting?  |