I must ventriloquise you must ventriloquise she must ventriloquise we must ventriloquise you must ventriloquise they must ventriloquise
V-ing form
I must be ventriloquising you must be ventriloquising she must be ventriloquising we must be ventriloquising you must be ventriloquising they must be ventriloquising
Perfect
I must have ventriloquised you must have ventriloquised she must have ventriloquised we must have ventriloquised you must have ventriloquised they must have ventriloquised
V-ing perfect
I must have been ventriloquising you must have been ventriloquising she must have been ventriloquising we must have been ventriloquising you must have been ventriloquising they must have been ventriloquising
Negation
Simple form
I must not ventriloquise you must not ventriloquise she must not ventriloquise we must not ventriloquise you must not ventriloquise they must not ventriloquise
V-ing form
I must not be ventriloquising you must not be ventriloquising she must not be ventriloquising we must not be ventriloquising you must not be ventriloquising they must not be ventriloquising
Perfect
I must not have ventriloquised you must not have ventriloquised she must not have ventriloquised we must not have ventriloquised you must not have ventriloquised they must not have ventriloquised
V-ing perfect
I must not have been ventriloquising you must not have been ventriloquising she must not have been ventriloquising we must not have been ventriloquising you must not have been ventriloquising they must not have been ventriloquising
Interrogative form
Simple form
must I ventriloquise? must you ventriloquise? must she ventriloquise? must we ventriloquise? must you ventriloquise? must they ventriloquise?
V-ing form
must I be ventriloquising? must you be ventriloquising? must she be ventriloquising? must we be ventriloquising? must you be ventriloquising? must they be ventriloquising?
Perfect
must I have ventriloquised? must you have ventriloquised? must she have ventriloquised? must we have ventriloquised? must you have ventriloquised? must they have ventriloquised?
V-ing perfect
must I have been ventriloquising? must you have been ventriloquising? must she have been ventriloquising? must we have been ventriloquising? must you have been ventriloquising? must they have been ventriloquising?
Interro-negative form
Simple form
must I not ventriloquise? must you not ventriloquise? must she not ventriloquise? must we not ventriloquise? must you not ventriloquise? must they not ventriloquise?
V-ing form
must I not be ventriloquising? must you not be ventriloquising? must she not be ventriloquising? must we not be ventriloquising? must you not be ventriloquising? must they not be ventriloquising?
Perfect
must I not have ventriloquised? must you not have ventriloquised? must she not have ventriloquised? must we not have ventriloquised? must you not have ventriloquised? must they not have ventriloquised?
V-ing perfect
must I not have been ventriloquising? must you not have been ventriloquising? must she not have been ventriloquising? must we not have been ventriloquising? must you not have been ventriloquising? must they not have been ventriloquising?