I must profiteer you must profiteer she must profiteer we must profiteer you must profiteer they must profiteer
V-ing form
I must be profiteering you must be profiteering she must be profiteering we must be profiteering you must be profiteering they must be profiteering
Perfect
I must have profiteered you must have profiteered she 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 she 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 she 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 she 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 she 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 she 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 she profiteer? must we profiteer? must you profiteer? must they profiteer?
V-ing form
must I be profiteering? must you be profiteering? must she be profiteering? must we be profiteering? must you be profiteering? must they be profiteering?
Perfect
must I have profiteered? must you have profiteered? must she 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 she 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 she 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 she 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 she 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 she have been profiteering? mustn't we have been profiteering? mustn't you have been profiteering? mustn't they have been profiteering?