English verb conjugation
MUST FEOFF

Regular verb: feoff - feoffed - feoffed

Affirmation

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

Negation

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

Interrogative form

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

Interro-negative form

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