can chamfer
Regular verb: chamfer - chamfered- chamfered

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I can chamfer
you can chamfer
he can chamfer
we can chamfer
you can chamfer
they can chamfer 	I can be chamfering
you can be chamfering
he can be chamfering
we can be chamfering
you can be chamfering
they can be chamfering	I can have chamfered
you can have chamfered
he can have chamfered
we can have chamfered
you can have chamfered
they can have chamfered	I can have been chamfering
you can have been chamfering
he can have been chamfering
we can have been chamfering
you can have been chamfering
they can have been chamfering	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I cannot chamfer
you cannot chamfer
he cannot chamfer
we cannot chamfer
you cannot chamfer
they cannot chamfer 	I cannot be chamfering
you cannot be chamfering
he cannot be chamfering
we cannot be chamfering
you cannot be chamfering
they cannot be chamfering	I cannot have chamfered
you cannot have chamfered
he cannot have chamfered
we cannot have chamfered
you cannot have chamfered
they cannot have chamfered	I cannot have been chamfering
you cannot have been chamfering
he cannot have been chamfering
we cannot have been chamfering
you cannot have been chamfering
they cannot have been chamfering	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
can I chamfer?
can you chamfer?
can he chamfer?
can we chamfer?
can you chamfer?
can they chamfer? 	can I be chamfering?
can you be chamfering?
can he be chamfering?
can we be chamfering?
can you be chamfering?
can they be chamfering? 	can I have chamfered?
can you have chamfered?
can he have chamfered?
can we have chamfered?
can you have chamfered?
can they have chamfered? 	can I have been chamfering?
can you have been chamfering?
can he have been chamfering?
can we have been chamfering?
can you have been chamfering?
can they have been chamfering? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
can I not chamfer?
can you not chamfer?
can he not chamfer?
can we not chamfer?
can you not chamfer?
can they not chamfer? 	can I not be chamfering?
can you not be chamfering?
can he not be chamfering?
can we not be chamfering?
can you not be chamfering?
can they not be chamfering? 	can I not have chamfered?
can you not have chamfered?
can he not have chamfered?
can we not have chamfered?
can you not have chamfered?
can they not have chamfered? 	can I not have been chamfering?
can you not have been chamfering?
can he not have been chamfering?
can we not have been chamfering?
can you not have been chamfering?
can they not have been chamfering?