I should lament you should lament she should lament we should lament you should lament they should lament
V-ing form
I should be lamenting you should be lamenting she should be lamenting we should be lamenting you should be lamenting they should be lamenting
Perfect
I should have lamented you should have lamented she should have lamented we should have lamented you should have lamented they should have lamented
V-ing perfect
I should have been lamenting you should have been lamenting she should have been lamenting we should have been lamenting you should have been lamenting they should have been lamenting
Negation
Simple form
I should not lament you should not lament she should not lament we should not lament you should not lament they should not lament
V-ing form
I should not be lamenting you should not be lamenting she should not be lamenting we should not be lamenting you should not be lamenting they should not be lamenting
Perfect
I should not have lamented you should not have lamented she should not have lamented we should not have lamented you should not have lamented they should not have lamented
V-ing perfect
I should not have been lamenting you should not have been lamenting she should not have been lamenting we should not have been lamenting you should not have been lamenting they should not have been lamenting
Interrogative form
Simple form
should I lament? should you lament? should she lament? should we lament? should you lament? should they lament?
V-ing form
should I be lamenting? should you be lamenting? should she be lamenting? should we be lamenting? should you be lamenting? should they be lamenting?
Perfect
should I have lamented? should you have lamented? should she have lamented? should we have lamented? should you have lamented? should they have lamented?
V-ing perfect
should I have been lamenting? should you have been lamenting? should she have been lamenting? should we have been lamenting? should you have been lamenting? should they have been lamenting?
Interro-negative form
Simple form
should I not lament? should you not lament? should she not lament? should we not lament? should you not lament? should they not lament?
V-ing form
should I not be lamenting? should you not be lamenting? should she not be lamenting? should we not be lamenting? should you not be lamenting? should they not be lamenting?
Perfect
should I not have lamented? should you not have lamented? should she not have lamented? should we not have lamented? should you not have lamented? should they not have lamented?
V-ing perfect
should I not have been lamenting? should you not have been lamenting? should she not have been lamenting? should we not have been lamenting? should you not have been lamenting? should they not have been lamenting?