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