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