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