English verb conjugation
MUST INITIAL

Regular verb: initial - initialed - initialed

Affirmation

Simple form	V-ing form
I must initial you must initial he must initial we must initial you must initial they must initial	I must be initialing you must be initialing he must be initialing we must be initialing you must be initialing they must be initialing
Perfect	V-ing perfect
I must have initialed you must have initialed he must have initialed we must have initialed you must have initialed they must have initialed	I must have been initialing you must have been initialing he must have been initialing we must have been initialing you must have been initialing they must have been initialing

Negation

Simple form	V-ing form
I must not initial you must not initial he must not initial we must not initial you must not initial they must not initial	I must not be initialing you must not be initialing he must not be initialing we must not be initialing you must not be initialing they must not be initialing
Perfect	V-ing perfect
I must not have initialed you must not have initialed he must not have initialed we must not have initialed you must not have initialed they must not have initialed	I must not have been initialing you must not have been initialing he must not have been initialing we must not have been initialing you must not have been initialing they must not have been initialing

Interrogative form

Simple form	V-ing form
must I initial? must you initial? must he initial? must we initial? must you initial? must they initial?	must I be initialing? must you be initialing? must he be initialing? must we be initialing? must you be initialing? must they be initialing?
Perfect	V-ing perfect
must I have initialed? must you have initialed? must he have initialed? must we have initialed? must you have initialed? must they have initialed?	must I have been initialing? must you have been initialing? must he have been initialing? must we have been initialing? must you have been initialing? must they have been initialing?

Interro-negative form

Simple form	V-ing form
must I not initial? must you not initial? must he not initial? must we not initial? must you not initial? must they not initial?	must I not be initialing? must you not be initialing? must he not be initialing? must we not be initialing? must you not be initialing? must they not be initialing?
Perfect	V-ing perfect
must I not have initialed? must you not have initialed? must he not have initialed? must we not have initialed? must you not have initialed? must they not have initialed?	must I not have been initialing? must you not have been initialing? must he not have been initialing? must we not have been initialing? must you not have been initialing? must they not have been initialing?