I must somnambulate you must somnambulate she must somnambulate we must somnambulate you must somnambulate they must somnambulate
V-ing form
I must be somnambulating you must be somnambulating she must be somnambulating we must be somnambulating you must be somnambulating they must be somnambulating
Perfect
I must have somnambulated you must have somnambulated she 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 she 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 she 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 she 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 she 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 she 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 she somnambulate? must we somnambulate? must you somnambulate? must they somnambulate?
V-ing form
must I be somnambulating? must you be somnambulating? must she be somnambulating? must we be somnambulating? must you be somnambulating? must they be somnambulating?
Perfect
must I have somnambulated? must you have somnambulated? must she 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 she 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 she 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 she 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 she 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 she have been somnambulating? mustn't we have been somnambulating? mustn't you have been somnambulating? mustn't they have been somnambulating?