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