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