I'd be waving you'd be waving she'd be waving we'd be waving you'd be waving they'd be waving
Perfect
I should've waved you should've waved she should've waved we should've waved you should've waved they should've waved
V-ing perfect
I should've been waving you should've been waving she should've been waving we should've been waving you should've been waving they should've been waving
Negation
Simple form
I shouldn't wave you shouldn't wave she shouldn't wave we shouldn't wave you shouldn't wave they shouldn't wave
V-ing form
I shouldn't be waving you shouldn't be waving she shouldn't be waving we shouldn't be waving you shouldn't be waving they shouldn't be waving
Perfect
I shouldn't have waved you shouldn't have waved she shouldn't have waved we shouldn't have waved you shouldn't have waved they shouldn't have waved
V-ing perfect
I shouldn't have been waving you shouldn't have been waving she shouldn't have been waving we shouldn't have been waving you shouldn't have been waving they shouldn't have been waving
Interrogative form
Simple form
should I wave? should you wave? should she wave? should we wave? should you wave? should they wave?
V-ing form
should I be waving? should you be waving? should she be waving? should we be waving? should you be waving? should they be waving?
Perfect
should I have waved? should you have waved? should she have waved? should we have waved? should you have waved? should they have waved?
V-ing perfect
should I have been waving? should you have been waving? should she have been waving? should we have been waving? should you have been waving? should they have been waving?
Interro-negative form
Simple form
shouldn't I wave? shouldn't you wave? shouldn't she wave? shouldn't we wave? shouldn't you wave? shouldn't they wave?
V-ing form
shouldn't I be waving? shouldn't you be waving? shouldn't she be waving? shouldn't we be waving? shouldn't you be waving? shouldn't they be waving?
Perfect
shouldn't I have waved? shouldn't you have waved? shouldn't she have waved? shouldn't we have waved? shouldn't you have waved? shouldn't they have waved?
V-ing perfect
shouldn't I have been waving? shouldn't you have been waving? shouldn't she have been waving? shouldn't we have been waving? shouldn't you have been waving? shouldn't they have been waving?