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