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