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