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