I'd be lamenting you'd be lamenting he'd be lamenting we'd be lamenting you'd be lamenting they'd be lamenting
Perfect
I should've lamented you should've lamented he should've lamented we should've lamented you should've lamented they should've lamented
V-ing perfect
I should've been lamenting you should've been lamenting he should've been lamenting we should've been lamenting you should've been lamenting they should've been lamenting
Negation
Simple form
I shouldn't lament you shouldn't lament he shouldn't lament we shouldn't lament you shouldn't lament they shouldn't lament
V-ing form
I shouldn't be lamenting you shouldn't be lamenting he shouldn't be lamenting we shouldn't be lamenting you shouldn't be lamenting they shouldn't be lamenting
Perfect
I shouldn't have lamented you shouldn't have lamented he shouldn't have lamented we shouldn't have lamented you shouldn't have lamented they shouldn't have lamented
V-ing perfect
I shouldn't have been lamenting you shouldn't have been lamenting he shouldn't have been lamenting we shouldn't have been lamenting you shouldn't have been lamenting they shouldn't 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
shouldn't I lament? shouldn't you lament? shouldn't he lament? shouldn't we lament? shouldn't you lament? shouldn't they lament?
V-ing form
shouldn't I be lamenting? shouldn't you be lamenting? shouldn't he be lamenting? shouldn't we be lamenting? shouldn't you be lamenting? shouldn't they be lamenting?
Perfect
shouldn't I have lamented? shouldn't you have lamented? shouldn't he have lamented? shouldn't we have lamented? shouldn't you have lamented? shouldn't they have lamented?
V-ing perfect
shouldn't I have been lamenting? shouldn't you have been lamenting? shouldn't he have been lamenting? shouldn't we have been lamenting? shouldn't you have been lamenting? shouldn't they have been lamenting?