English verb conjugation
MUST HALLMARK

Regular verb: hallmark - hallmarked - hallmarked

Affirmation

Simple form	V-ing form
I must hallmark you must hallmark he must hallmark we must hallmark you must hallmark they must hallmark	I must be hallmarking you must be hallmarking he must be hallmarking we must be hallmarking you must be hallmarking they must be hallmarking
Perfect	V-ing perfect
I must have hallmarked you must have hallmarked he must have hallmarked we must have hallmarked you must have hallmarked they must have hallmarked	I must have been hallmarking you must have been hallmarking he must have been hallmarking we must have been hallmarking you must have been hallmarking they must have been hallmarking

Negation

Simple form	V-ing form
I must not hallmark you must not hallmark he must not hallmark we must not hallmark you must not hallmark they must not hallmark	I must not be hallmarking you must not be hallmarking he must not be hallmarking we must not be hallmarking you must not be hallmarking they must not be hallmarking
Perfect	V-ing perfect
I must not have hallmarked you must not have hallmarked he must not have hallmarked we must not have hallmarked you must not have hallmarked they must not have hallmarked	I must not have been hallmarking you must not have been hallmarking he must not have been hallmarking we must not have been hallmarking you must not have been hallmarking they must not have been hallmarking

Interrogative form

Simple form	V-ing form
must I hallmark? must you hallmark? must he hallmark? must we hallmark? must you hallmark? must they hallmark?	must I be hallmarking? must you be hallmarking? must he be hallmarking? must we be hallmarking? must you be hallmarking? must they be hallmarking?
Perfect	V-ing perfect
must I have hallmarked? must you have hallmarked? must he have hallmarked? must we have hallmarked? must you have hallmarked? must they have hallmarked?	must I have been hallmarking? must you have been hallmarking? must he have been hallmarking? must we have been hallmarking? must you have been hallmarking? must they have been hallmarking?

Interro-negative form

Simple form	V-ing form
must I not hallmark? must you not hallmark? must he not hallmark? must we not hallmark? must you not hallmark? must they not hallmark?	must I not be hallmarking? must you not be hallmarking? must he not be hallmarking? must we not be hallmarking? must you not be hallmarking? must they not be hallmarking?
Perfect	V-ing perfect
must I not have hallmarked? must you not have hallmarked? must he not have hallmarked? must we not have hallmarked? must you not have hallmarked? must they not have hallmarked?	must I not have been hallmarking? must you not have been hallmarking? must he not have been hallmarking? must we not have been hallmarking? must you not have been hallmarking? must they not have been hallmarking?