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 must not invite you must not invite she must not invite we must not invite you must not invite they must not invite	I must not be inviting you must not be inviting she must not be inviting we must not be inviting you must not be inviting they must not be inviting
Perfect	V-ing perfect
I must not have invited you must not have invited she must not have invited we must not have invited you must not have invited they must not have invited	I must not have been inviting you must not have been inviting she must not have been inviting we must not have been inviting you must not have been inviting they must not 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
must I not invite? must you not invite? must she not invite? must we not invite? must you not invite? must they not invite?	must I not be inviting? must you not be inviting? must she not be inviting? must we not be inviting? must you not be inviting? must they not be inviting?
Perfect	V-ing perfect
must I not have invited? must you not have invited? must she not have invited? must we not have invited? must you not have invited? must they not have invited?	must I not have been inviting? must you not have been inviting? must she not have been inviting? must we not have been inviting? must you not have been inviting? must they not have been inviting?