I'd be stalling you'd be stalling he'd be stalling we'd be stalling you'd be stalling they'd be stalling
Perfect
I should've stalled you should've stalled he should've stalled we should've stalled you should've stalled they should've stalled
V-ing perfect
I should've been stalling you should've been stalling he should've been stalling we should've been stalling you should've been stalling they should've been stalling
Negation
Simple form
I shouldn't stall you shouldn't stall he shouldn't stall we shouldn't stall you shouldn't stall they shouldn't stall
V-ing form
I shouldn't be stalling you shouldn't be stalling he shouldn't be stalling we shouldn't be stalling you shouldn't be stalling they shouldn't be stalling
Perfect
I shouldn't have stalled you shouldn't have stalled he shouldn't have stalled we shouldn't have stalled you shouldn't have stalled they shouldn't have stalled
V-ing perfect
I shouldn't have been stalling you shouldn't have been stalling he shouldn't have been stalling we shouldn't have been stalling you shouldn't have been stalling they shouldn't have been stalling
Interrogative form
Simple form
should I stall? should you stall? should he stall? should we stall? should you stall? should they stall?
V-ing form
should I be stalling? should you be stalling? should he be stalling? should we be stalling? should you be stalling? should they be stalling?
Perfect
should I have stalled? should you have stalled? should he have stalled? should we have stalled? should you have stalled? should they have stalled?
V-ing perfect
should I have been stalling? should you have been stalling? should he have been stalling? should we have been stalling? should you have been stalling? should they have been stalling?
Interro-negative form
Simple form
shouldn't I stall? shouldn't you stall? shouldn't he stall? shouldn't we stall? shouldn't you stall? shouldn't they stall?
V-ing form
shouldn't I be stalling? shouldn't you be stalling? shouldn't he be stalling? shouldn't we be stalling? shouldn't you be stalling? shouldn't they be stalling?
Perfect
shouldn't I have stalled? shouldn't you have stalled? shouldn't he have stalled? shouldn't we have stalled? shouldn't you have stalled? shouldn't they have stalled?
V-ing perfect
shouldn't I have been stalling? shouldn't you have been stalling? shouldn't he have been stalling? shouldn't we have been stalling? shouldn't you have been stalling? shouldn't they have been stalling?