English verb conjugation
CAN COFFER

Regular verb: coffer - coffered - coffered

Affirmation

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