can teach
Verbo irregular: teach - taught- taught

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I can teach
you can teach
he can teach
we can teach
you can teach
they can teach 	I can be teaching
you can be teaching
he can be teaching
we can be teaching
you can be teaching
they can be teaching	I can have taught
you can have taught
he can have taught
we can have taught
you can have taught
they can have taught	I can have been teaching
you can have been teaching
he can have been teaching
we can have been teaching
you can have been teaching
they can have been teaching	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I can't teach
you can't teach
he can't teach
we can't teach
you can't teach
they can't teach 	I can't be teaching
you can't be teaching
he can't be teaching
we can't be teaching
you can't be teaching
they can't be teaching	I can't have taught
you can't have taught
he can't have taught
we can't have taught
you can't have taught
they can't have taught	I can't have been teaching
you can't have been teaching
he can't have been teaching
we can't have been teaching
you can't have been teaching
they can't have been teaching	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
can I teach?
can you teach?
can he teach?
can we teach?
can you teach?
can they teach? 	can I be teaching?
can you be teaching?
can he be teaching?
can we be teaching?
can you be teaching?
can they be teaching? 	can I have taught?
can you have taught?
can he have taught?
can we have taught?
can you have taught?
can they have taught? 	can I have been teaching?
can you have been teaching?
can he have been teaching?
can we have been teaching?
can you have been teaching?
can they have been teaching? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
can't I teach?
can't you teach?
can't he teach?
can't we teach?
can't you teach?
can't they teach? 	can't I be teaching?
can't you be teaching?
can't he be teaching?
can't we be teaching?
can't you be teaching?
can't they be teaching? 	can't I have taught?
can't you have taught?
can't he have taught?
can't we have taught?
can't you have taught?
can't they have taught? 	can't I have been teaching?
can't you have been teaching?
can't he have been teaching?
can't we have been teaching?
can't you have been teaching?
can't they have been teaching?