can buffer
Regular verb: buffer - buffered- buffered

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I can buffer
you can buffer
he can buffer
we can buffer
you can buffer
they can buffer 	I can be buffering
you can be buffering
he can be buffering
we can be buffering
you can be buffering
they can be buffering	I can have buffered
you can have buffered
he 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
he can have been buffering
we can have been buffering
you can have been buffering
they can have been buffering	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I cannot buffer
you cannot buffer
he cannot buffer
we cannot buffer
you cannot buffer
they cannot buffer 	I cannot be buffering
you cannot be buffering
he cannot be buffering
we cannot be buffering
you cannot be buffering
they cannot be buffering	I cannot have buffered
you cannot have buffered
he 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
he cannot have been buffering
we cannot have been buffering
you cannot have been buffering
they cannot have been buffering	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
can I buffer?
can you buffer?
can he buffer?
can we buffer?
can you buffer?
can they buffer? 	can I be buffering?
can you be buffering?
can he be buffering?
can we be buffering?
can you be buffering?
can they be buffering? 	can I have buffered?
can you have buffered?
can he 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 he have been buffering?
can we have been buffering?
can you have been buffering?
can they have been buffering? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
can I not buffer?
can you not buffer?
can he 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 he 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 he 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 he not have been buffering?
can we not have been buffering?
can you not have been buffering?
can they not have been buffering?