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