I must mismanage you must mismanage she must mismanage we must mismanage you must mismanage they must mismanage
V-ing form
I must be mismanaging you must be mismanaging she must be mismanaging we must be mismanaging you must be mismanaging they must be mismanaging
Perfect
I must have mismanaged you must have mismanaged she must have mismanaged we must have mismanaged you must have mismanaged they must have mismanaged
V-ing perfect
I must have been mismanaging you must have been mismanaging she must have been mismanaging we must have been mismanaging you must have been mismanaging they must have been mismanaging
Negation
Simple form
I must not mismanage you must not mismanage she must not mismanage we must not mismanage you must not mismanage they must not mismanage
V-ing form
I must not be mismanaging you must not be mismanaging she must not be mismanaging we must not be mismanaging you must not be mismanaging they must not be mismanaging
Perfect
I must not have mismanaged you must not have mismanaged she must not have mismanaged we must not have mismanaged you must not have mismanaged they must not have mismanaged
V-ing perfect
I must not have been mismanaging you must not have been mismanaging she must not have been mismanaging we must not have been mismanaging you must not have been mismanaging they must not have been mismanaging
Interrogative form
Simple form
must I mismanage? must you mismanage? must she mismanage? must we mismanage? must you mismanage? must they mismanage?
V-ing form
must I be mismanaging? must you be mismanaging? must she be mismanaging? must we be mismanaging? must you be mismanaging? must they be mismanaging?
Perfect
must I have mismanaged? must you have mismanaged? must she have mismanaged? must we have mismanaged? must you have mismanaged? must they have mismanaged?
V-ing perfect
must I have been mismanaging? must you have been mismanaging? must she have been mismanaging? must we have been mismanaging? must you have been mismanaging? must they have been mismanaging?
Interro-negative form
Simple form
must I not mismanage? must you not mismanage? must she not mismanage? must we not mismanage? must you not mismanage? must they not mismanage?
V-ing form
must I not be mismanaging? must you not be mismanaging? must she not be mismanaging? must we not be mismanaging? must you not be mismanaging? must they not be mismanaging?
Perfect
must I not have mismanaged? must you not have mismanaged? must she not have mismanaged? must we not have mismanaged? must you not have mismanaged? must they not have mismanaged?
V-ing perfect
must I not have been mismanaging? must you not have been mismanaging? must she not have been mismanaging? must we not have been mismanaging? must you not have been mismanaging? must they not have been mismanaging?