must bunk
Regular verb: bunk - bunked- bunked

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I must bunk
you must bunk
she must bunk
we must bunk
you must bunk
they must bunk 	I must be bunking
you must be bunking
she must be bunking
we must be bunking
you must be bunking
they must be bunking	I must have bunked
you must have bunked
she must have bunked
we must have bunked
you must have bunked
they must have bunked	I must have been bunking
you must have been bunking
she must have been bunking
we must have been bunking
you must have been bunking
they must have been bunking	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I must not bunk
you must not bunk
she must not bunk
we must not bunk
you must not bunk
they must not bunk 	I must not be bunking
you must not be bunking
she must not be bunking
we must not be bunking
you must not be bunking
they must not be bunking	I must not have bunked
you must not have bunked
she must not have bunked
we must not have bunked
you must not have bunked
they must not have bunked	I must not have been bunking
you must not have been bunking
she must not have been bunking
we must not have been bunking
you must not have been bunking
they must not have been bunking	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
must I bunk?
must you bunk?
must she bunk?
must we bunk?
must you bunk?
must they bunk? 	must I be bunking?
must you be bunking?
must she be bunking?
must we be bunking?
must you be bunking?
must they be bunking? 	must I have bunked?
must you have bunked?
must she have bunked?
must we have bunked?
must you have bunked?
must they have bunked? 	must I have been bunking?
must you have been bunking?
must she have been bunking?
must we have been bunking?
must you have been bunking?
must they have been bunking? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
must I not bunk?
must you not bunk?
must she not bunk?
must we not bunk?
must you not bunk?
must they not bunk? 	must I not be bunking?
must you not be bunking?
must she not be bunking?
must we not be bunking?
must you not be bunking?
must they not be bunking? 	must I not have bunked?
must you not have bunked?
must she not have bunked?
must we not have bunked?
must you not have bunked?
must they not have bunked? 	must I not have been bunking?
must you not have been bunking?
must she not have been bunking?
must we not have been bunking?
must you not have been bunking?
must they not have been bunking?