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