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