I must soothsay you must soothsay he must soothsay we must soothsay you must soothsay they must soothsay
V-ing form
I must be soothsaying you must be soothsaying he must be soothsaying we must be soothsaying you must be soothsaying they must be soothsaying
Perfect
I must have soothsaid you must have soothsaid he must have soothsaid we must have soothsaid you must have soothsaid they must have soothsaid
V-ing perfect
I must have been soothsaying you must have been soothsaying he must have been soothsaying we must have been soothsaying you must have been soothsaying they must have been soothsaying
Negation
Simple form
I mustn't soothsay you mustn't soothsay he mustn't soothsay we mustn't soothsay you mustn't soothsay they mustn't soothsay
V-ing form
I mustn't be soothsaying you mustn't be soothsaying he mustn't be soothsaying we mustn't be soothsaying you mustn't be soothsaying they mustn't be soothsaying
Perfect
I mustn't have soothsaid you mustn't have soothsaid he mustn't have soothsaid we mustn't have soothsaid you mustn't have soothsaid they mustn't have soothsaid
V-ing perfect
I mustn't have been soothsaying you mustn't have been soothsaying he mustn't have been soothsaying we mustn't have been soothsaying you mustn't have been soothsaying they mustn't have been soothsaying
Interrogative form
Simple form
must I soothsay? must you soothsay? must he soothsay? must we soothsay? must you soothsay? must they soothsay?
V-ing form
must I be soothsaying? must you be soothsaying? must he be soothsaying? must we be soothsaying? must you be soothsaying? must they be soothsaying?
Perfect
must I have soothsaid? must you have soothsaid? must he have soothsaid? must we have soothsaid? must you have soothsaid? must they have soothsaid?
V-ing perfect
must I have been soothsaying? must you have been soothsaying? must he have been soothsaying? must we have been soothsaying? must you have been soothsaying? must they have been soothsaying?
Interro-negative form
Simple form
mustn't I soothsay? mustn't you soothsay? mustn't he soothsay? mustn't we soothsay? mustn't you soothsay? mustn't they soothsay?
V-ing form
mustn't I be soothsaying? mustn't you be soothsaying? mustn't he be soothsaying? mustn't we be soothsaying? mustn't you be soothsaying? mustn't they be soothsaying?
Perfect
mustn't I have soothsaid? mustn't you have soothsaid? mustn't he have soothsaid? mustn't we have soothsaid? mustn't you have soothsaid? mustn't they have soothsaid?
V-ing perfect
mustn't I have been soothsaying? mustn't you have been soothsaying? mustn't he have been soothsaying? mustn't we have been soothsaying? mustn't you have been soothsaying? mustn't they have been soothsaying?