English verb conjugation
MUST FEE

Regular verb: fee - feed - feed

Affirmation

Simple form	V-ing form
I must fee you must fee she must fee we must fee you must fee they must fee	I must be feeing you must be feeing she 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 she 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 she 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 must not fee you must not fee she must not fee we must not fee you must not fee they must not fee	I must not be feeing you must not be feeing she must not be feeing we must not be feeing you must not be feeing they must not be feeing
Perfect	V-ing perfect
I must not have feed you must not have feed she must not have feed we must not have feed you must not have feed they must not have feed	I must not have been feeing you must not have been feeing she must not have been feeing we must not have been feeing you must not have been feeing they must not have been feeing

Interrogative form

Simple form	V-ing form
must I fee? must you fee? must she fee? must we fee? must you fee? must they fee?	must I be feeing? must you be feeing? must she 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 she 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 she 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
must I not fee? must you not fee? must she not fee? must we not fee? must you not fee? must they not fee?	must I not be feeing? must you not be feeing? must she not be feeing? must we not be feeing? must you not be feeing? must they not be feeing?
Perfect	V-ing perfect
must I not have feed? must you not have feed? must she not have feed? must we not have feed? must you not have feed? must they not have feed?	must I not have been feeing? must you not have been feeing? must she not have been feeing? must we not have been feeing? must you not have been feeing? must they not have been feeing?