can brain
Verbo regular: brain - brained- brained

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I can brain
you can brain
he can brain
we can brain
you can brain
they can brain 	I can be braining
you can be braining
he can be braining
we can be braining
you can be braining
they can be braining	I can have brained
you can have brained
he can have brained
we can have brained
you can have brained
they can have brained	I can have been braining
you can have been braining
he can have been braining
we can have been braining
you can have been braining
they can have been braining	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I can't brain
you can't brain
he can't brain
we can't brain
you can't brain
they can't brain 	I can't be braining
you can't be braining
he can't be braining
we can't be braining
you can't be braining
they can't be braining	I can't have brained
you can't have brained
he can't have brained
we can't have brained
you can't have brained
they can't have brained	I can't have been braining
you can't have been braining
he can't have been braining
we can't have been braining
you can't have been braining
they can't have been braining	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
can I brain?
can you brain?
can he brain?
can we brain?
can you brain?
can they brain? 	can I be braining?
can you be braining?
can he be braining?
can we be braining?
can you be braining?
can they be braining? 	can I have brained?
can you have brained?
can he have brained?
can we have brained?
can you have brained?
can they have brained? 	can I have been braining?
can you have been braining?
can he have been braining?
can we have been braining?
can you have been braining?
can they have been braining? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
can't I brain?
can't you brain?
can't he brain?
can't we brain?
can't you brain?
can't they brain? 	can't I be braining?
can't you be braining?
can't he be braining?
can't we be braining?
can't you be braining?
can't they be braining? 	can't I have brained?
can't you have brained?
can't he have brained?
can't we have brained?
can't you have brained?
can't they have brained? 	can't I have been braining?
can't you have been braining?
can't he have been braining?
can't we have been braining?
can't you have been braining?
can't they have been braining?