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