Warning, this verb may not exist. Conjugation is given as example.
Affirmation
Simple form
I must flea market you must flea market she must flea market we must flea market you must flea market they must flea market
V-ing form
I must be flea marketing you must be flea marketing she must be flea marketing we must be flea marketing you must be flea marketing they must be flea marketing
Perfect
I must have flea marketed you must have flea marketed she must have flea marketed we must have flea marketed you must have flea marketed they must have flea marketed
V-ing perfect
I must have been flea marketing you must have been flea marketing she must have been flea marketing we must have been flea marketing you must have been flea marketing they must have been flea marketing
Negation
Simple form
I must not flea market you must not flea market she must not flea market we must not flea market you must not flea market they must not flea market
V-ing form
I must not be flea marketing you must not be flea marketing she must not be flea marketing we must not be flea marketing you must not be flea marketing they must not be flea marketing
Perfect
I must not have flea marketed you must not have flea marketed she must not have flea marketed we must not have flea marketed you must not have flea marketed they must not have flea marketed
V-ing perfect
I must not have been flea marketing you must not have been flea marketing she must not have been flea marketing we must not have been flea marketing you must not have been flea marketing they must not have been flea marketing
Interrogative form
Simple form
must I flea market? must you flea market? must she flea market? must we flea market? must you flea market? must they flea market?
V-ing form
must I be flea marketing? must you be flea marketing? must she be flea marketing? must we be flea marketing? must you be flea marketing? must they be flea marketing?
Perfect
must I have flea marketed? must you have flea marketed? must she have flea marketed? must we have flea marketed? must you have flea marketed? must they have flea marketed?
V-ing perfect
must I have been flea marketing? must you have been flea marketing? must she have been flea marketing? must we have been flea marketing? must you have been flea marketing? must they have been flea marketing?
Interro-negative form
Simple form
must I not flea market? must you not flea market? must she not flea market? must we not flea market? must you not flea market? must they not flea market?
V-ing form
must I not be flea marketing? must you not be flea marketing? must she not be flea marketing? must we not be flea marketing? must you not be flea marketing? must they not be flea marketing?
Perfect
must I not have flea marketed? must you not have flea marketed? must she not have flea marketed? must we not have flea marketed? must you not have flea marketed? must they not have flea marketed?
V-ing perfect
must I not have been flea marketing? must you not have been flea marketing? must she not have been flea marketing? must we not have been flea marketing? must you not have been flea marketing? must they not have been flea marketing?