English verb conjugation
SHOULD RUN

Irregular verb: run - ran - run

Affirmation

Simple form	V-ing form
I'd run you'd run he'd run we'd run you'd run they'd run	I'd be running you'd be running he'd be running we'd be running you'd be running they'd be running
Perfect	V-ing perfect
I should've run you should've run he should've run we should've run you should've run they should've run	I should've been running you should've been running he should've been running we should've been running you should've been running they should've been running

Negation

Simple form	V-ing form
I shouldn't run you shouldn't run he shouldn't run we shouldn't run you shouldn't run they shouldn't run	I shouldn't be running you shouldn't be running he shouldn't be running we shouldn't be running you shouldn't be running they shouldn't be running
Perfect	V-ing perfect
I shouldn't have run you shouldn't have run he shouldn't have run we shouldn't have run you shouldn't have run they shouldn't have run	I shouldn't have been running you shouldn't have been running he shouldn't have been running we shouldn't have been running you shouldn't have been running they shouldn't have been running

Interrogative form

Simple form	V-ing form
should I run? should you run? should he run? should we run? should you run? should they run?	should I be running? should you be running? should he be running? should we be running? should you be running? should they be running?
Perfect	V-ing perfect
should I have run? should you have run? should he have run? should we have run? should you have run? should they have run?	should I have been running? should you have been running? should he have been running? should we have been running? should you have been running? should they have been running?

Interro-negative form

Simple form	V-ing form
shouldn't I run? shouldn't you run? shouldn't he run? shouldn't we run? shouldn't you run? shouldn't they run?	shouldn't I be running? shouldn't you be running? shouldn't he be running? shouldn't we be running? shouldn't you be running? shouldn't they be running?
Perfect	V-ing perfect
shouldn't I have run? shouldn't you have run? shouldn't he have run? shouldn't we have run? shouldn't you have run? shouldn't they have run?	shouldn't I have been running? shouldn't you have been running? shouldn't he have been running? shouldn't we have been running? shouldn't you have been running? shouldn't they have been running?