I must hold you must hold he must hold we must hold you must hold they must hold
V-ing form
I must be holding you must be holding he must be holding we must be holding you must be holding they must be holding
Perfect
I must have held you must have held he must have held we must have held you must have held they must have held
V-ing perfect
I must have been holding you must have been holding he must have been holding we must have been holding you must have been holding they must have been holding
Negation
Simple form
I must not hold you must not hold he must not hold we must not hold you must not hold they must not hold
V-ing form
I must not be holding you must not be holding he must not be holding we must not be holding you must not be holding they must not be holding
Perfect
I must not have held you must not have held he must not have held we must not have held you must not have held they must not have held
V-ing perfect
I must not have been holding you must not have been holding he must not have been holding we must not have been holding you must not have been holding they must not have been holding
Interrogative form
Simple form
must I hold? must you hold? must he hold? must we hold? must you hold? must they hold?
V-ing form
must I be holding? must you be holding? must he be holding? must we be holding? must you be holding? must they be holding?
Perfect
must I have held? must you have held? must he have held? must we have held? must you have held? must they have held?
V-ing perfect
must I have been holding? must you have been holding? must he have been holding? must we have been holding? must you have been holding? must they have been holding?
Interro-negative form
Simple form
must I not hold? must you not hold? must he not hold? must we not hold? must you not hold? must they not hold?
V-ing form
must I not be holding? must you not be holding? must he not be holding? must we not be holding? must you not be holding? must they not be holding?
Perfect
must I not have held? must you not have held? must he not have held? must we not have held? must you not have held? must they not have held?
V-ing perfect
must I not have been holding? must you not have been holding? must he not have been holding? must we not have been holding? must you not have been holding? must they not have been holding?