English verb conjugation
MUST PRESENT

Regular verb: present - presented - presented

Affirmation

Simple form	V-ing form
I must present you must present he must present we must present you must present they must present	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	V-ing 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	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	V-ing form
I must not present you must not present he must not present we must not present you must not present they must not present	I must not be presenting you must not be presenting he must not be presenting we must not be presenting you must not be presenting they must not be presenting
Perfect	V-ing perfect
I must not have presented you must not have presented he must not have presented we must not have presented you must not have presented they must not have presented	I must not have been presenting you must not have been presenting he must not have been presenting we must not have been presenting you must not have been presenting they must not have been presenting

Interrogative form

Simple form	V-ing form
must I present? must you present? must he present? must we present? must you present? must they present?	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	V-ing 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?	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	V-ing form
must I not present? must you not present? must he not present? must we not present? must you not present? must they not present?	must I not be presenting? must you not be presenting? must he not be presenting? must we not be presenting? must you not be presenting? must they not be presenting?
Perfect	V-ing perfect
must I not have presented? must you not have presented? must he not have presented? must we not have presented? must you not have presented? must they not have presented?	must I not have been presenting? must you not have been presenting? must he not have been presenting? must we not have been presenting? must you not have been presenting? must they not have been presenting?