English verb conjugation
SHOULD FOCUS

Regular verb: focus - focused - focused

Affirmation

Simple form	V-ing form
I'd focus you'd focus he'd focus we'd focus you'd focus they'd focus	I'd be focusing you'd be focusing he'd be focusing we'd be focusing you'd be focusing they'd be focusing
Perfect	V-ing perfect
I should've focused you should've focused he should've focused we should've focused you should've focused they should've focused	I should've been focusing you should've been focusing he should've been focusing we should've been focusing you should've been focusing they should've been focusing

Negation

Simple form	V-ing form
I shouldn't focus you shouldn't focus he shouldn't focus we shouldn't focus you shouldn't focus they shouldn't focus	I shouldn't be focusing you shouldn't be focusing he shouldn't be focusing we shouldn't be focusing you shouldn't be focusing they shouldn't be focusing
Perfect	V-ing perfect
I shouldn't have focused you shouldn't have focused he shouldn't have focused we shouldn't have focused you shouldn't have focused they shouldn't have focused	I shouldn't have been focusing you shouldn't have been focusing he shouldn't have been focusing we shouldn't have been focusing you shouldn't have been focusing they shouldn't have been focusing

Interrogative form

Simple form	V-ing form
should I focus? should you focus? should he focus? should we focus? should you focus? should they focus?	should I be focusing? should you be focusing? should he be focusing? should we be focusing? should you be focusing? should they be focusing?
Perfect	V-ing perfect
should I have focused? should you have focused? should he have focused? should we have focused? should you have focused? should they have focused?	should I have been focusing? should you have been focusing? should he have been focusing? should we have been focusing? should you have been focusing? should they have been focusing?

Interro-negative form

Simple form	V-ing form
shouldn't I focus? shouldn't you focus? shouldn't he focus? shouldn't we focus? shouldn't you focus? shouldn't they focus?	shouldn't I be focusing? shouldn't you be focusing? shouldn't he be focusing? shouldn't we be focusing? shouldn't you be focusing? shouldn't they be focusing?
Perfect	V-ing perfect
shouldn't I have focused? shouldn't you have focused? shouldn't he have focused? shouldn't we have focused? shouldn't you have focused? shouldn't they have focused?	shouldn't I have been focusing? shouldn't you have been focusing? shouldn't he have been focusing? shouldn't we have been focusing? shouldn't you have been focusing? shouldn't they have been focusing?