I must shoot you must shoot he must shoot we must shoot you must shoot they must shoot
V-ing form
I must be shooting you must be shooting he must be shooting we must be shooting you must be shooting they must be shooting
Perfect
I must have shot you must have shot he 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 he 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 he 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 he 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 he 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 he 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 he shoot? must we shoot? must you shoot? must they shoot?
V-ing form
must I be shooting? must you be shooting? must he be shooting? must we be shooting? must you be shooting? must they be shooting?
Perfect
must I have shot? must you have shot? must he 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 he 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 he 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 he 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 he 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 he have been shooting? mustn't we have been shooting? mustn't you have been shooting? mustn't they have been shooting?