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