English verb conjugation
SHOULD TEACH

Irregular verb: teach - taught - taught

Affirmation

Simple form	V-ing form
I'd teach you'd teach he'd teach we'd teach you'd teach they'd teach	I'd be teaching you'd be teaching he'd be teaching we'd be teaching you'd be teaching they'd be teaching
Perfect	V-ing perfect
I should've taught you should've taught he should've taught we should've taught you should've taught they should've taught	I should've been teaching you should've been teaching he should've been teaching we should've been teaching you should've been teaching they should've been teaching

Negation

Simple form	V-ing form
I shouldn't teach you shouldn't teach he shouldn't teach we shouldn't teach you shouldn't teach they shouldn't teach	I shouldn't be teaching you shouldn't be teaching he shouldn't be teaching we shouldn't be teaching you shouldn't be teaching they shouldn't be teaching
Perfect	V-ing perfect
I shouldn't have taught you shouldn't have taught he shouldn't have taught we shouldn't have taught you shouldn't have taught they shouldn't have taught	I shouldn't have been teaching you shouldn't have been teaching he shouldn't have been teaching we shouldn't have been teaching you shouldn't have been teaching they shouldn't have been teaching

Interrogative form

Simple form	V-ing form
should I teach? should you teach? should he teach? should we teach? should you teach? should they teach?	should I be teaching? should you be teaching? should he be teaching? should we be teaching? should you be teaching? should they be teaching?
Perfect	V-ing perfect
should I have taught? should you have taught? should he have taught? should we have taught? should you have taught? should they have taught?	should I have been teaching? should you have been teaching? should he have been teaching? should we have been teaching? should you have been teaching? should they have been teaching?

Interro-negative form

Simple form	V-ing form
shouldn't I teach? shouldn't you teach? shouldn't he teach? shouldn't we teach? shouldn't you teach? shouldn't they teach?	shouldn't I be teaching? shouldn't you be teaching? shouldn't he be teaching? shouldn't we be teaching? shouldn't you be teaching? shouldn't they be teaching?
Perfect	V-ing perfect
shouldn't I have taught? shouldn't you have taught? shouldn't he have taught? shouldn't we have taught? shouldn't you have taught? shouldn't they have taught?	shouldn't I have been teaching? shouldn't you have been teaching? shouldn't he have been teaching? shouldn't we have been teaching? shouldn't you have been teaching? shouldn't they have been teaching?