I must simulate you must simulate she must simulate we must simulate you must simulate they must simulate
V-ing form
I must be simulating you must be simulating she must be simulating we must be simulating you must be simulating they must be simulating
Perfect
I must have simulated you must have simulated she must have simulated we must have simulated you must have simulated they must have simulated
V-ing perfect
I must have been simulating you must have been simulating she must have been simulating we must have been simulating you must have been simulating they must have been simulating
Negation
Simple form
I mustn't simulate you mustn't simulate she mustn't simulate we mustn't simulate you mustn't simulate they mustn't simulate
V-ing form
I mustn't be simulating you mustn't be simulating she mustn't be simulating we mustn't be simulating you mustn't be simulating they mustn't be simulating
Perfect
I mustn't have simulated you mustn't have simulated she mustn't have simulated we mustn't have simulated you mustn't have simulated they mustn't have simulated
V-ing perfect
I mustn't have been simulating you mustn't have been simulating she mustn't have been simulating we mustn't have been simulating you mustn't have been simulating they mustn't have been simulating
Interrogative form
Simple form
must I simulate? must you simulate? must she simulate? must we simulate? must you simulate? must they simulate?
V-ing form
must I be simulating? must you be simulating? must she be simulating? must we be simulating? must you be simulating? must they be simulating?
Perfect
must I have simulated? must you have simulated? must she have simulated? must we have simulated? must you have simulated? must they have simulated?
V-ing perfect
must I have been simulating? must you have been simulating? must she have been simulating? must we have been simulating? must you have been simulating? must they have been simulating?
Interro-negative form
Simple form
mustn't I simulate? mustn't you simulate? mustn't she simulate? mustn't we simulate? mustn't you simulate? mustn't they simulate?
V-ing form
mustn't I be simulating? mustn't you be simulating? mustn't she be simulating? mustn't we be simulating? mustn't you be simulating? mustn't they be simulating?
Perfect
mustn't I have simulated? mustn't you have simulated? mustn't she have simulated? mustn't we have simulated? mustn't you have simulated? mustn't they have simulated?
V-ing perfect
mustn't I have been simulating? mustn't you have been simulating? mustn't she have been simulating? mustn't we have been simulating? mustn't you have been simulating? mustn't they have been simulating?