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