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 must not mine you must not mine he must not mine we must not mine you must not mine they must not mine
V-ing form
I must not be mining you must not be mining he must not be mining we must not be mining you must not be mining they must not be mining
Perfect
I must not have mined you must not have mined he must not have mined we must not have mined you must not have mined they must not have mined
V-ing perfect
I must not have been mining you must not have been mining he must not have been mining we must not have been mining you must not have been mining they must not 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
must I not mine? must you not mine? must he not mine? must we not mine? must you not mine? must they not mine?
V-ing form
must I not be mining? must you not be mining? must he not be mining? must we not be mining? must you not be mining? must they not be mining?
Perfect
must I not have mined? must you not have mined? must he not have mined? must we not have mined? must you not have mined? must they not have mined?
V-ing perfect
must I not have been mining? must you not have been mining? must he not have been mining? must we not have been mining? must you not have been mining? must they not have been mining?