I must ventriloquize you must ventriloquize he must ventriloquize we must ventriloquize you must ventriloquize they must ventriloquize
V-ing form
I must be ventriloquizing you must be ventriloquizing he must be ventriloquizing we must be ventriloquizing you must be ventriloquizing they must be ventriloquizing
Perfect
I must have ventriloquized you must have ventriloquized he must have ventriloquized we must have ventriloquized you must have ventriloquized they must have ventriloquized
V-ing perfect
I must have been ventriloquizing you must have been ventriloquizing he must have been ventriloquizing we must have been ventriloquizing you must have been ventriloquizing they must have been ventriloquizing
Negation
Simple form
I must not ventriloquize you must not ventriloquize he must not ventriloquize we must not ventriloquize you must not ventriloquize they must not ventriloquize
V-ing form
I must not be ventriloquizing you must not be ventriloquizing he must not be ventriloquizing we must not be ventriloquizing you must not be ventriloquizing they must not be ventriloquizing
Perfect
I must not have ventriloquized you must not have ventriloquized he must not have ventriloquized we must not have ventriloquized you must not have ventriloquized they must not have ventriloquized
V-ing perfect
I must not have been ventriloquizing you must not have been ventriloquizing he must not have been ventriloquizing we must not have been ventriloquizing you must not have been ventriloquizing they must not have been ventriloquizing
Interrogative form
Simple form
must I ventriloquize? must you ventriloquize? must he ventriloquize? must we ventriloquize? must you ventriloquize? must they ventriloquize?
V-ing form
must I be ventriloquizing? must you be ventriloquizing? must he be ventriloquizing? must we be ventriloquizing? must you be ventriloquizing? must they be ventriloquizing?
Perfect
must I have ventriloquized? must you have ventriloquized? must he have ventriloquized? must we have ventriloquized? must you have ventriloquized? must they have ventriloquized?
V-ing perfect
must I have been ventriloquizing? must you have been ventriloquizing? must he have been ventriloquizing? must we have been ventriloquizing? must you have been ventriloquizing? must they have been ventriloquizing?
Interro-negative form
Simple form
must I not ventriloquize? must you not ventriloquize? must he not ventriloquize? must we not ventriloquize? must you not ventriloquize? must they not ventriloquize?
V-ing form
must I not be ventriloquizing? must you not be ventriloquizing? must he not be ventriloquizing? must we not be ventriloquizing? must you not be ventriloquizing? must they not be ventriloquizing?
Perfect
must I not have ventriloquized? must you not have ventriloquized? must he not have ventriloquized? must we not have ventriloquized? must you not have ventriloquized? must they not have ventriloquized?
V-ing perfect
must I not have been ventriloquizing? must you not have been ventriloquizing? must he not have been ventriloquizing? must we not have been ventriloquizing? must you not have been ventriloquizing? must they not have been ventriloquizing?