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