English verb conjugation
MUST FEE

Regular verb: fee - feed - feed

Affirmation

Simple form	V-ing form
I must fee you must fee he must fee we must fee you must fee they must fee	I must be feeing you must be feeing he must be feeing we must be feeing you must be feeing they must be feeing
Perfect	V-ing perfect
I must have feed you must have feed he must have feed we must have feed you must have feed they must have feed	I must have been feeing you must have been feeing he must have been feeing we must have been feeing you must have been feeing they must have been feeing

Negation

Simple form	V-ing form
I mustn't fee you mustn't fee he mustn't fee we mustn't fee you mustn't fee they mustn't fee	I mustn't be feeing you mustn't be feeing he mustn't be feeing we mustn't be feeing you mustn't be feeing they mustn't be feeing
Perfect	V-ing perfect
I mustn't have feed you mustn't have feed he mustn't have feed we mustn't have feed you mustn't have feed they mustn't have feed	I mustn't have been feeing you mustn't have been feeing he mustn't have been feeing we mustn't have been feeing you mustn't have been feeing they mustn't have been feeing

Interrogative form

Simple form	V-ing form
must I fee? must you fee? must he fee? must we fee? must you fee? must they fee?	must I be feeing? must you be feeing? must he be feeing? must we be feeing? must you be feeing? must they be feeing?
Perfect	V-ing perfect
must I have feed? must you have feed? must he have feed? must we have feed? must you have feed? must they have feed?	must I have been feeing? must you have been feeing? must he have been feeing? must we have been feeing? must you have been feeing? must they have been feeing?

Interro-negative form

Simple form	V-ing form
mustn't I fee? mustn't you fee? mustn't he fee? mustn't we fee? mustn't you fee? mustn't they fee?	mustn't I be feeing? mustn't you be feeing? mustn't he be feeing? mustn't we be feeing? mustn't you be feeing? mustn't they be feeing?
Perfect	V-ing perfect
mustn't I have feed? mustn't you have feed? mustn't he have feed? mustn't we have feed? mustn't you have feed? mustn't they have feed?	mustn't I have been feeing? mustn't you have been feeing? mustn't he have been feeing? mustn't we have been feeing? mustn't you have been feeing? mustn't they have been feeing?