I must shock you must shock she must shock we must shock you must shock they must shock
V-ing form
I must be shocking you must be shocking she must be shocking we must be shocking you must be shocking they must be shocking
Perfect
I must have shocked you must have shocked she 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 she 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 she 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 she 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 she 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 she 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 she shock? must we shock? must you shock? must they shock?
V-ing form
must I be shocking? must you be shocking? must she be shocking? must we be shocking? must you be shocking? must they be shocking?
Perfect
must I have shocked? must you have shocked? must she 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 she 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 she 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 she 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 she 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 she have been shocking? mustn't we have been shocking? mustn't you have been shocking? mustn't they have been shocking?