English verb conjugation
SHOULD PREOCCUPY

Regular verb: preoccupy - preoccupied - preoccupied

Affirmation

Simple form	V-ing form
I'd preoccupy you'd preoccupy he'd preoccupy we'd preoccupy you'd preoccupy they'd preoccupy	I'd be preoccupying you'd be preoccupying he'd be preoccupying we'd be preoccupying you'd be preoccupying they'd be preoccupying
Perfect	V-ing perfect
I should've preoccupied you should've preoccupied he should've preoccupied we should've preoccupied you should've preoccupied they should've preoccupied	I should've been preoccupying you should've been preoccupying he should've been preoccupying we should've been preoccupying you should've been preoccupying they should've been preoccupying

Negation

Simple form	V-ing form
I shouldn't preoccupy you shouldn't preoccupy he shouldn't preoccupy we shouldn't preoccupy you shouldn't preoccupy they shouldn't preoccupy	I shouldn't be preoccupying you shouldn't be preoccupying he shouldn't be preoccupying we shouldn't be preoccupying you shouldn't be preoccupying they shouldn't be preoccupying
Perfect	V-ing perfect
I shouldn't have preoccupied you shouldn't have preoccupied he shouldn't have preoccupied we shouldn't have preoccupied you shouldn't have preoccupied they shouldn't have preoccupied	I shouldn't have been preoccupying you shouldn't have been preoccupying he shouldn't have been preoccupying we shouldn't have been preoccupying you shouldn't have been preoccupying they shouldn't have been preoccupying

Interrogative form

Simple form	V-ing form
should I preoccupy? should you preoccupy? should he preoccupy? should we preoccupy? should you preoccupy? should they preoccupy?	should I be preoccupying? should you be preoccupying? should he be preoccupying? should we be preoccupying? should you be preoccupying? should they be preoccupying?
Perfect	V-ing perfect
should I have preoccupied? should you have preoccupied? should he have preoccupied? should we have preoccupied? should you have preoccupied? should they have preoccupied?	should I have been preoccupying? should you have been preoccupying? should he have been preoccupying? should we have been preoccupying? should you have been preoccupying? should they have been preoccupying?

Interro-negative form

Simple form	V-ing form
shouldn't I preoccupy? shouldn't you preoccupy? shouldn't he preoccupy? shouldn't we preoccupy? shouldn't you preoccupy? shouldn't they preoccupy?	shouldn't I be preoccupying? shouldn't you be preoccupying? shouldn't he be preoccupying? shouldn't we be preoccupying? shouldn't you be preoccupying? shouldn't they be preoccupying?
Perfect	V-ing perfect
shouldn't I have preoccupied? shouldn't you have preoccupied? shouldn't he have preoccupied? shouldn't we have preoccupied? shouldn't you have preoccupied? shouldn't they have preoccupied?	shouldn't I have been preoccupying? shouldn't you have been preoccupying? shouldn't he have been preoccupying? shouldn't we have been preoccupying? shouldn't you have been preoccupying? shouldn't they have been preoccupying?