can buffer
Verbo regular: buffer - buffered- buffered

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I can buffer
you can buffer
she can buffer
we can buffer
you can buffer
they can buffer 	I can be buffering
you can be buffering
she can be buffering
we can be buffering
you can be buffering
they can be buffering	I can have buffered
you can have buffered
she can have buffered
we can have buffered
you can have buffered
they can have buffered	I can have been buffering
you can have been buffering
she can have been buffering
we can have been buffering
you can have been buffering
they can have been buffering	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I cannot buffer
you cannot buffer
she cannot buffer
we cannot buffer
you cannot buffer
they cannot buffer 	I cannot be buffering
you cannot be buffering
she cannot be buffering
we cannot be buffering
you cannot be buffering
they cannot be buffering	I cannot have buffered
you cannot have buffered
she cannot have buffered
we cannot have buffered
you cannot have buffered
they cannot have buffered	I cannot have been buffering
you cannot have been buffering
she cannot have been buffering
we cannot have been buffering
you cannot have been buffering
they cannot have been buffering	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
can I buffer?
can you buffer?
can she buffer?
can we buffer?
can you buffer?
can they buffer? 	can I be buffering?
can you be buffering?
can she be buffering?
can we be buffering?
can you be buffering?
can they be buffering? 	can I have buffered?
can you have buffered?
can she have buffered?
can we have buffered?
can you have buffered?
can they have buffered? 	can I have been buffering?
can you have been buffering?
can she have been buffering?
can we have been buffering?
can you have been buffering?
can they have been buffering? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
can I not buffer?
can you not buffer?
can she not buffer?
can we not buffer?
can you not buffer?
can they not buffer? 	can I not be buffering?
can you not be buffering?
can she not be buffering?
can we not be buffering?
can you not be buffering?
can they not be buffering? 	can I not have buffered?
can you not have buffered?
can she not have buffered?
can we not have buffered?
can you not have buffered?
can they not have buffered? 	can I not have been buffering?
can you not have been buffering?
can she not have been buffering?
can we not have been buffering?
can you not have been buffering?
can they not have been buffering?