can coffer
Regular verb: coffer - coffered- coffered

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I can coffer
you can coffer
he can coffer
we can coffer
you can coffer
they can coffer 	I can be coffering
you can be coffering
he can be coffering
we can be coffering
you can be coffering
they can be coffering	I can have coffered
you can have coffered
he can have coffered
we can have coffered
you can have coffered
they can have coffered	I can have been coffering
you can have been coffering
he can have been coffering
we can have been coffering
you can have been coffering
they can have been coffering	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I cannot coffer
you cannot coffer
he cannot coffer
we cannot coffer
you cannot coffer
they cannot coffer 	I cannot be coffering
you cannot be coffering
he cannot be coffering
we cannot be coffering
you cannot be coffering
they cannot be coffering	I cannot have coffered
you cannot have coffered
he cannot have coffered
we cannot have coffered
you cannot have coffered
they cannot have coffered	I cannot have been coffering
you cannot have been coffering
he cannot have been coffering
we cannot have been coffering
you cannot have been coffering
they cannot have been coffering	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
can I coffer?
can you coffer?
can he coffer?
can we coffer?
can you coffer?
can they coffer? 	can I be coffering?
can you be coffering?
can he be coffering?
can we be coffering?
can you be coffering?
can they be coffering? 	can I have coffered?
can you have coffered?
can he have coffered?
can we have coffered?
can you have coffered?
can they have coffered? 	can I have been coffering?
can you have been coffering?
can he have been coffering?
can we have been coffering?
can you have been coffering?
can they have been coffering? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
can I not coffer?
can you not coffer?
can he not coffer?
can we not coffer?
can you not coffer?
can they not coffer? 	can I not be coffering?
can you not be coffering?
can he not be coffering?
can we not be coffering?
can you not be coffering?
can they not be coffering? 	can I not have coffered?
can you not have coffered?
can he not have coffered?
can we not have coffered?
can you not have coffered?
can they not have coffered? 	can I not have been coffering?
can you not have been coffering?
can he not have been coffering?
can we not have been coffering?
can you not have been coffering?
can they not have been coffering?