must fume
Regular verb: fume - fumed- fumed

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