can stain
Verbo regular: stain - stained- stained

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I can stain
you can stain
he can stain
we can stain
you can stain
they can stain 	I can be staining
you can be staining
he can be staining
we can be staining
you can be staining
they can be staining	I can have stained
you can have stained
he can have stained
we can have stained
you can have stained
they can have stained	I can have been staining
you can have been staining
he can have been staining
we can have been staining
you can have been staining
they can have been staining	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I can't stain
you can't stain
he can't stain
we can't stain
you can't stain
they can't stain 	I can't be staining
you can't be staining
he can't be staining
we can't be staining
you can't be staining
they can't be staining	I can't have stained
you can't have stained
he can't have stained
we can't have stained
you can't have stained
they can't have stained	I can't have been staining
you can't have been staining
he can't have been staining
we can't have been staining
you can't have been staining
they can't have been staining	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
can I stain?
can you stain?
can he stain?
can we stain?
can you stain?
can they stain? 	can I be staining?
can you be staining?
can he be staining?
can we be staining?
can you be staining?
can they be staining? 	can I have stained?
can you have stained?
can he have stained?
can we have stained?
can you have stained?
can they have stained? 	can I have been staining?
can you have been staining?
can he have been staining?
can we have been staining?
can you have been staining?
can they have been staining? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
can't I stain?
can't you stain?
can't he stain?
can't we stain?
can't you stain?
can't they stain? 	can't I be staining?
can't you be staining?
can't he be staining?
can't we be staining?
can't you be staining?
can't they be staining? 	can't I have stained?
can't you have stained?
can't he have stained?
can't we have stained?
can't you have stained?
can't they have stained? 	can't I have been staining?
can't you have been staining?
can't he have been staining?
can't we have been staining?
can't you have been staining?
can't they have been staining?