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