can stump
Verbo regular: stump - stumped- stumped

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I can stump
you can stump
he can stump
we can stump
you can stump
they can stump 	I can be stumping
you can be stumping
he can be stumping
we can be stumping
you can be stumping
they can be stumping	I can have stumped
you can have stumped
he can have stumped
we can have stumped
you can have stumped
they can have stumped	I can have been stumping
you can have been stumping
he can have been stumping
we can have been stumping
you can have been stumping
they can have been stumping	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I can't stump
you can't stump
he can't stump
we can't stump
you can't stump
they can't stump 	I can't be stumping
you can't be stumping
he can't be stumping
we can't be stumping
you can't be stumping
they can't be stumping	I can't have stumped
you can't have stumped
he can't have stumped
we can't have stumped
you can't have stumped
they can't have stumped	I can't have been stumping
you can't have been stumping
he can't have been stumping
we can't have been stumping
you can't have been stumping
they can't have been stumping	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
can I stump?
can you stump?
can he stump?
can we stump?
can you stump?
can they stump? 	can I be stumping?
can you be stumping?
can he be stumping?
can we be stumping?
can you be stumping?
can they be stumping? 	can I have stumped?
can you have stumped?
can he have stumped?
can we have stumped?
can you have stumped?
can they have stumped? 	can I have been stumping?
can you have been stumping?
can he have been stumping?
can we have been stumping?
can you have been stumping?
can they have been stumping? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
can't I stump?
can't you stump?
can't he stump?
can't we stump?
can't you stump?
can't they stump? 	can't I be stumping?
can't you be stumping?
can't he be stumping?
can't we be stumping?
can't you be stumping?
can't they be stumping? 	can't I have stumped?
can't you have stumped?
can't he have stumped?
can't we have stumped?
can't you have stumped?
can't they have stumped? 	can't I have been stumping?
can't you have been stumping?
can't he have been stumping?
can't we have been stumping?
can't you have been stumping?
can't they have been stumping?