English verb conjugation
MUST PRESENT

Regular verb: present - presented - presented

Affirmation

Simple form	V-ing form
I must present you must present she must present we must present you must present they must present	I must be presenting you must be presenting she 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 she 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 she 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 mustn't present you mustn't present she mustn't present we mustn't present you mustn't present they mustn't present	I mustn't be presenting you mustn't be presenting she mustn't be presenting we mustn't be presenting you mustn't be presenting they mustn't be presenting
Perfect	V-ing perfect
I mustn't have presented you mustn't have presented she mustn't have presented we mustn't have presented you mustn't have presented they mustn't have presented	I mustn't have been presenting you mustn't have been presenting she 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	V-ing form
must I present? must you present? must she present? must we present? must you present? must they present?	must I be presenting? must you be presenting? must she 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 she 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 she 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
mustn't I present? mustn't you present? mustn't she present? mustn't we present? mustn't you present? mustn't they present?	mustn't I be presenting? mustn't you be presenting? mustn't she be presenting? mustn't we be presenting? mustn't you be presenting? mustn't they be presenting?
Perfect	V-ing perfect
mustn't I have presented? mustn't you have presented? mustn't she have presented? mustn't we have presented? mustn't you have presented? mustn't they have presented?	mustn't I have been presenting? mustn't you have been presenting? mustn't she have been presenting? mustn't we have been presenting? mustn't you have been presenting? mustn't they have been presenting?