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