English verb conjugation
MUST ZERO

Regular verb: zero - zeroed - zeroed

Affirmation

Simple form	V-ing form
I must zero you must zero she must zero we must zero you must zero they must zero	I must be zeroing you must be zeroing she must be zeroing we must be zeroing you must be zeroing they must be zeroing
Perfect	V-ing perfect
I must have zeroed you must have zeroed she must have zeroed we must have zeroed you must have zeroed they must have zeroed	I must have been zeroing you must have been zeroing she must have been zeroing we must have been zeroing you must have been zeroing they must have been zeroing

Negation

Simple form	V-ing form
I must not zero you must not zero she must not zero we must not zero you must not zero they must not zero	I must not be zeroing you must not be zeroing she must not be zeroing we must not be zeroing you must not be zeroing they must not be zeroing
Perfect	V-ing perfect
I must not have zeroed you must not have zeroed she must not have zeroed we must not have zeroed you must not have zeroed they must not have zeroed	I must not have been zeroing you must not have been zeroing she must not have been zeroing we must not have been zeroing you must not have been zeroing they must not have been zeroing

Interrogative form

Simple form	V-ing form
must I zero? must you zero? must she zero? must we zero? must you zero? must they zero?	must I be zeroing? must you be zeroing? must she be zeroing? must we be zeroing? must you be zeroing? must they be zeroing?
Perfect	V-ing perfect
must I have zeroed? must you have zeroed? must she have zeroed? must we have zeroed? must you have zeroed? must they have zeroed?	must I have been zeroing? must you have been zeroing? must she have been zeroing? must we have been zeroing? must you have been zeroing? must they have been zeroing?

Interro-negative form

Simple form	V-ing form
must I not zero? must you not zero? must she not zero? must we not zero? must you not zero? must they not zero?	must I not be zeroing? must you not be zeroing? must she not be zeroing? must we not be zeroing? must you not be zeroing? must they not be zeroing?
Perfect	V-ing perfect
must I not have zeroed? must you not have zeroed? must she not have zeroed? must we not have zeroed? must you not have zeroed? must they not have zeroed?	must I not have been zeroing? must you not have been zeroing? must she not have been zeroing? must we not have been zeroing? must you not have been zeroing? must they not have been zeroing?