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