English verb conjugation
MUST INVITE

Regular verb: invite - invited - invited

Affirmation

Simple form	V-ing form
I must invite you must invite she must invite we must invite you must invite they must invite	I must be inviting you must be inviting she must be inviting we must be inviting you must be inviting they must be inviting
Perfect	V-ing perfect
I must have invited you must have invited she must have invited we must have invited you must have invited they must have invited	I must have been inviting you must have been inviting she must have been inviting we must have been inviting you must have been inviting they must have been inviting

Negation

Simple form	V-ing form
I mustn't invite you mustn't invite she mustn't invite we mustn't invite you mustn't invite they mustn't invite	I mustn't be inviting you mustn't be inviting she mustn't be inviting we mustn't be inviting you mustn't be inviting they mustn't be inviting
Perfect	V-ing perfect
I mustn't have invited you mustn't have invited she mustn't have invited we mustn't have invited you mustn't have invited they mustn't have invited	I mustn't have been inviting you mustn't have been inviting she mustn't have been inviting we mustn't have been inviting you mustn't have been inviting they mustn't have been inviting

Interrogative form

Simple form	V-ing form
must I invite? must you invite? must she invite? must we invite? must you invite? must they invite?	must I be inviting? must you be inviting? must she be inviting? must we be inviting? must you be inviting? must they be inviting?
Perfect	V-ing perfect
must I have invited? must you have invited? must she have invited? must we have invited? must you have invited? must they have invited?	must I have been inviting? must you have been inviting? must she have been inviting? must we have been inviting? must you have been inviting? must they have been inviting?

Interro-negative form

Simple form	V-ing form
mustn't I invite? mustn't you invite? mustn't she invite? mustn't we invite? mustn't you invite? mustn't they invite?	mustn't I be inviting? mustn't you be inviting? mustn't she be inviting? mustn't we be inviting? mustn't you be inviting? mustn't they be inviting?
Perfect	V-ing perfect
mustn't I have invited? mustn't you have invited? mustn't she have invited? mustn't we have invited? mustn't you have invited? mustn't they have invited?	mustn't I have been inviting? mustn't you have been inviting? mustn't she have been inviting? mustn't we have been inviting? mustn't you have been inviting? mustn't they have been inviting?