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