must hallmark
Regular verb: hallmark - hallmarked- hallmarked

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