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