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