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 can't coffer you can't coffer she can't coffer we can't coffer you can't coffer they can't coffer	I can't be coffering you can't be coffering she can't be coffering we can't be coffering you can't be coffering they can't be coffering
Perfect	V-ing perfect
I can't have coffered you can't have coffered she can't have coffered we can't have coffered you can't have coffered they can't have coffered	I can't have been coffering you can't have been coffering she can't have been coffering we can't have been coffering you can't have been coffering they can't 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't I coffer? can't you coffer? can't she coffer? can't we coffer? can't you coffer? can't they coffer?	can't I be coffering? can't you be coffering? can't she be coffering? can't we be coffering? can't you be coffering? can't they be coffering?
Perfect	V-ing perfect
can't I have coffered? can't you have coffered? can't she have coffered? can't we have coffered? can't you have coffered? can't they have coffered?	can't I have been coffering? can't you have been coffering? can't she have been coffering? can't we have been coffering? can't you have been coffering? can't they have been coffering?