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 can't chamfer
you can't chamfer
he can't chamfer
we can't chamfer
you can't chamfer
they can't chamfer 	I can't be chamfering
you can't be chamfering
he can't be chamfering
we can't be chamfering
you can't be chamfering
they can't be chamfering	I can't have chamfered
you can't have chamfered
he can't have chamfered
we can't have chamfered
you can't have chamfered
they can't have chamfered	I can't have been chamfering
you can't have been chamfering
he can't have been chamfering
we can't have been chamfering
you can't have been chamfering
they can't 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't I chamfer?
can't you chamfer?
can't he chamfer?
can't we chamfer?
can't you chamfer?
can't they chamfer? 	can't I be chamfering?
can't you be chamfering?
can't he be chamfering?
can't we be chamfering?
can't you be chamfering?
can't they be chamfering? 	can't I have chamfered?
can't you have chamfered?
can't he have chamfered?
can't we have chamfered?
can't you have chamfered?
can't they have chamfered? 	can't I have been chamfering?
can't you have been chamfering?
can't he have been chamfering?
can't we have been chamfering?
can't you have been chamfering?
can't they have been chamfering?