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