I'd be stalling you'd be stalling she'd be stalling we'd be stalling you'd be stalling they'd be stalling
Perfect
I should've stalled you should've stalled she 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 she 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 she 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 she 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 she 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 she 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 she stall? should we stall? should you stall? should they stall?
V-ing form
should I be stalling? should you be stalling? should she be stalling? should we be stalling? should you be stalling? should they be stalling?
Perfect
should I have stalled? should you have stalled? should she 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 she 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 she 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 she 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 she 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 she have been stalling? shouldn't we have been stalling? shouldn't you have been stalling? shouldn't they have been stalling?