I'd be prowling you'd be prowling she'd be prowling we'd be prowling you'd be prowling they'd be prowling
Perfect
I should've prowled you should've prowled she 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 she 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 she 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 she 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 she 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 she 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 she prowl? should we prowl? should you prowl? should they prowl?
V-ing form
should I be prowling? should you be prowling? should she be prowling? should we be prowling? should you be prowling? should they be prowling?
Perfect
should I have prowled? should you have prowled? should she 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 she 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 she 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 she 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 she 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 she have been prowling? shouldn't we have been prowling? shouldn't you have been prowling? shouldn't they have been prowling?