may hallmark
Regular verb: hallmark - hallmarked- hallmarked

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

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

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

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