must milk
Regular verb: milk - milked- milked

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I must milk
you must milk
she must milk
we must milk
you must milk
they must milk 	I must be milking
you must be milking
she must be milking
we must be milking
you must be milking
they must be milking	I must have milked
you must have milked
she must have milked
we must have milked
you must have milked
they must have milked	I must have been milking
you must have been milking
she must have been milking
we must have been milking
you must have been milking
they must have been milking	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I must not milk
you must not milk
she must not milk
we must not milk
you must not milk
they must not milk 	I must not be milking
you must not be milking
she must not be milking
we must not be milking
you must not be milking
they must not be milking	I must not have milked
you must not have milked
she must not have milked
we must not have milked
you must not have milked
they must not have milked	I must not have been milking
you must not have been milking
she must not have been milking
we must not have been milking
you must not have been milking
they must not have been milking	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
must I milk?
must you milk?
must she milk?
must we milk?
must you milk?
must they milk? 	must I be milking?
must you be milking?
must she be milking?
must we be milking?
must you be milking?
must they be milking? 	must I have milked?
must you have milked?
must she have milked?
must we have milked?
must you have milked?
must they have milked? 	must I have been milking?
must you have been milking?
must she have been milking?
must we have been milking?
must you have been milking?
must they have been milking? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
must I not milk?
must you not milk?
must she not milk?
must we not milk?
must you not milk?
must they not milk? 	must I not be milking?
must you not be milking?
must she not be milking?
must we not be milking?
must you not be milking?
must they not be milking? 	must I not have milked?
must you not have milked?
must she not have milked?
must we not have milked?
must you not have milked?
must they not have milked? 	must I not have been milking?
must you not have been milking?
must she not have been milking?
must we not have been milking?
must you not have been milking?
must they not have been milking?