I may etch you may etch he may etch we may etch you may etch they may etch
V-ing form
I may be etching you may be etching he may be etching we may be etching you may be etching they may be etching
Perfect
I may have etched you may have etched he may have etched we may have etched you may have etched they may have etched
V-ing perfect
I may have been etching you may have been etching he may have been etching we may have been etching you may have been etching they may have been etching
Negation
Simple form
I mayn't etch you mayn't etch he mayn't etch we mayn't etch you mayn't etch they mayn't etch
V-ing form
I mayn't be etching you mayn't be etching he mayn't be etching we mayn't be etching you mayn't be etching they mayn't be etching
Perfect
I mayn't have etched you mayn't have etched he mayn't have etched we mayn't have etched you mayn't have etched they mayn't have etched
V-ing perfect
I mayn't have been etching you mayn't have been etching he mayn't have been etching we mayn't have been etching you mayn't have been etching they mayn't have been etching
Interrogative form
Simple form
may I etch? may you etch? may he etch? may we etch? may you etch? may they etch?
V-ing form
may I be etching? may you be etching? may he be etching? may we be etching? may you be etching? may they be etching?
Perfect
may I have etched? may you have etched? may he have etched? may we have etched? may you have etched? may they have etched?
V-ing perfect
may I have been etching? may you have been etching? may he have been etching? may we have been etching? may you have been etching? may they have been etching?
Interro-negative form
Simple form
mayn't I etch? mayn't you etch? mayn't he etch? mayn't we etch? mayn't you etch? mayn't they etch?
V-ing form
mayn't I be etching? mayn't you be etching? mayn't he be etching? mayn't we be etching? mayn't you be etching? mayn't they be etching?
Perfect
mayn't I have etched? mayn't you have etched? mayn't he have etched? mayn't we have etched? mayn't you have etched? mayn't they have etched?
V-ing perfect
mayn't I have been etching? mayn't you have been etching? mayn't he have been etching? mayn't we have been etching? mayn't you have been etching? mayn't they have been etching?