English verb conjugation
MUST FUME

Regular verb: fume - fumed - fumed

Affirmation

Simple form	V-ing form
I must fume you must fume he must fume we must fume you must fume they must fume	I must be fuming you must be fuming he must be fuming we must be fuming you must be fuming they must be fuming
Perfect	V-ing perfect
I must have fumed you must have fumed he must have fumed we must have fumed you must have fumed they must have fumed	I must have been fuming you must have been fuming he must have been fuming we must have been fuming you must have been fuming they must have been fuming

Negation

Simple form	V-ing form
I must not fume you must not fume he must not fume we must not fume you must not fume they must not fume	I must not be fuming you must not be fuming he must not be fuming we must not be fuming you must not be fuming they must not be fuming
Perfect	V-ing perfect
I must not have fumed you must not have fumed he must not have fumed we must not have fumed you must not have fumed they must not have fumed	I must not have been fuming you must not have been fuming he must not have been fuming we must not have been fuming you must not have been fuming they must not have been fuming

Interrogative form

Simple form	V-ing form
must I fume? must you fume? must he fume? must we fume? must you fume? must they fume?	must I be fuming? must you be fuming? must he be fuming? must we be fuming? must you be fuming? must they be fuming?
Perfect	V-ing perfect
must I have fumed? must you have fumed? must he have fumed? must we have fumed? must you have fumed? must they have fumed?	must I have been fuming? must you have been fuming? must he have been fuming? must we have been fuming? must you have been fuming? must they have been fuming?

Interro-negative form

Simple form	V-ing form
must I not fume? must you not fume? must he not fume? must we not fume? must you not fume? must they not fume?	must I not be fuming? must you not be fuming? must he not be fuming? must we not be fuming? must you not be fuming? must they not be fuming?
Perfect	V-ing perfect
must I not have fumed? must you not have fumed? must he not have fumed? must we not have fumed? must you not have fumed? must they not have fumed?	must I not have been fuming? must you not have been fuming? must he not have been fuming? must we not have been fuming? must you not have been fuming? must they not have been fuming?