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 may not lament you may not lament he may not lament we may not lament you may not lament they may not lament
V-ing form
I may not be lamenting you may not be lamenting he may not be lamenting we may not be lamenting you may not be lamenting they may not be lamenting
Perfect
I may not have lamented you may not have lamented he may not have lamented we may not have lamented you may not have lamented they may not have lamented
V-ing perfect
I may not have been lamenting you may not have been lamenting he may not have been lamenting we may not have been lamenting you may not have been lamenting they may not 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
may I not lament? may you not lament? may he not lament? may we not lament? may you not lament? may they not lament?
V-ing form
may I not be lamenting? may you not be lamenting? may he not be lamenting? may we not be lamenting? may you not be lamenting? may they not be lamenting?
Perfect
may I not have lamented? may you not have lamented? may he not have lamented? may we not have lamented? may you not have lamented? may they not have lamented?
V-ing perfect
may I not have been lamenting? may you not have been lamenting? may he not have been lamenting? may we not have been lamenting? may you not have been lamenting? may they not have been lamenting?