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