must junk
Regular verb: junk - junked- junked

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I must junk
you must junk
she must junk
we must junk
you must junk
they must junk 	I must be junking
you must be junking
she must be junking
we must be junking
you must be junking
they must be junking	I must have junked
you must have junked
she must have junked
we must have junked
you must have junked
they must have junked	I must have been junking
you must have been junking
she must have been junking
we must have been junking
you must have been junking
they must have been junking	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I mustn't junk
you mustn't junk
she mustn't junk
we mustn't junk
you mustn't junk
they mustn't junk 	I mustn't be junking
you mustn't be junking
she mustn't be junking
we mustn't be junking
you mustn't be junking
they mustn't be junking	I mustn't have junked
you mustn't have junked
she mustn't have junked
we mustn't have junked
you mustn't have junked
they mustn't have junked	I mustn't have been junking
you mustn't have been junking
she mustn't have been junking
we mustn't have been junking
you mustn't have been junking
they mustn't have been junking	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
must I junk?
must you junk?
must she junk?
must we junk?
must you junk?
must they junk? 	must I be junking?
must you be junking?
must she be junking?
must we be junking?
must you be junking?
must they be junking? 	must I have junked?
must you have junked?
must she have junked?
must we have junked?
must you have junked?
must they have junked? 	must I have been junking?
must you have been junking?
must she have been junking?
must we have been junking?
must you have been junking?
must they have been junking? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
mustn't I junk?
mustn't you junk?
mustn't she junk?
mustn't we junk?
mustn't you junk?
mustn't they junk? 	mustn't I be junking?
mustn't you be junking?
mustn't she be junking?
mustn't we be junking?
mustn't you be junking?
mustn't they be junking? 	mustn't I have junked?
mustn't you have junked?
mustn't she have junked?
mustn't we have junked?
mustn't you have junked?
mustn't they have junked? 	mustn't I have been junking?
mustn't you have been junking?
mustn't she have been junking?
mustn't we have been junking?
mustn't you have been junking?
mustn't they have been junking?