English verb conjugation
CAN FEOFF

Regular verb: feoff - feoffed - feoffed

Affirmation

Simple form	V-ing form
I can feoff you can feoff she can feoff we can feoff you can feoff they can feoff	I can be feoffing you can be feoffing she can be feoffing we can be feoffing you can be feoffing they can be feoffing
Perfect	V-ing perfect
I can have feoffed you can have feoffed she can have feoffed we can have feoffed you can have feoffed they can have feoffed	I can have been feoffing you can have been feoffing she can have been feoffing we can have been feoffing you can have been feoffing they can have been feoffing

Negation

Simple form	V-ing form
I can't feoff you can't feoff she can't feoff we can't feoff you can't feoff they can't feoff	I can't be feoffing you can't be feoffing she can't be feoffing we can't be feoffing you can't be feoffing they can't be feoffing
Perfect	V-ing perfect
I can't have feoffed you can't have feoffed she can't have feoffed we can't have feoffed you can't have feoffed they can't have feoffed	I can't have been feoffing you can't have been feoffing she can't have been feoffing we can't have been feoffing you can't have been feoffing they can't have been feoffing

Interrogative form

Simple form	V-ing form
can I feoff? can you feoff? can she feoff? can we feoff? can you feoff? can they feoff?	can I be feoffing? can you be feoffing? can she be feoffing? can we be feoffing? can you be feoffing? can they be feoffing?
Perfect	V-ing perfect
can I have feoffed? can you have feoffed? can she have feoffed? can we have feoffed? can you have feoffed? can they have feoffed?	can I have been feoffing? can you have been feoffing? can she have been feoffing? can we have been feoffing? can you have been feoffing? can they have been feoffing?

Interro-negative form

Simple form	V-ing form
can't I feoff? can't you feoff? can't she feoff? can't we feoff? can't you feoff? can't they feoff?	can't I be feoffing? can't you be feoffing? can't she be feoffing? can't we be feoffing? can't you be feoffing? can't they be feoffing?
Perfect	V-ing perfect
can't I have feoffed? can't you have feoffed? can't she have feoffed? can't we have feoffed? can't you have feoffed? can't they have feoffed?	can't I have been feoffing? can't you have been feoffing? can't she have been feoffing? can't we have been feoffing? can't you have been feoffing? can't they have been feoffing?