should teach
Verbo irregular: teach - taught- taught

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
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	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	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
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	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	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
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? 	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? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
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? 	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?