must emboss
Regular verb: emboss - embossed- embossed

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I must emboss
you must emboss
she must emboss
we must emboss
you must emboss
they must emboss 	I must be embossing
you must be embossing
she must be embossing
we must be embossing
you must be embossing
they must be embossing	I must have embossed
you must have embossed
she must have embossed
we must have embossed
you must have embossed
they must have embossed	I must have been embossing
you must have been embossing
she must have been embossing
we must have been embossing
you must have been embossing
they must have been embossing	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I mustn't emboss
you mustn't emboss
she mustn't emboss
we mustn't emboss
you mustn't emboss
they mustn't emboss 	I mustn't be embossing
you mustn't be embossing
she mustn't be embossing
we mustn't be embossing
you mustn't be embossing
they mustn't be embossing	I mustn't have embossed
you mustn't have embossed
she mustn't have embossed
we mustn't have embossed
you mustn't have embossed
they mustn't have embossed	I mustn't have been embossing
you mustn't have been embossing
she mustn't have been embossing
we mustn't have been embossing
you mustn't have been embossing
they mustn't have been embossing	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
must I emboss?
must you emboss?
must she emboss?
must we emboss?
must you emboss?
must they emboss? 	must I be embossing?
must you be embossing?
must she be embossing?
must we be embossing?
must you be embossing?
must they be embossing? 	must I have embossed?
must you have embossed?
must she have embossed?
must we have embossed?
must you have embossed?
must they have embossed? 	must I have been embossing?
must you have been embossing?
must she have been embossing?
must we have been embossing?
must you have been embossing?
must they have been embossing? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
mustn't I emboss?
mustn't you emboss?
mustn't she emboss?
mustn't we emboss?
mustn't you emboss?
mustn't they emboss? 	mustn't I be embossing?
mustn't you be embossing?
mustn't she be embossing?
mustn't we be embossing?
mustn't you be embossing?
mustn't they be embossing? 	mustn't I have embossed?
mustn't you have embossed?
mustn't she have embossed?
mustn't we have embossed?
mustn't you have embossed?
mustn't they have embossed? 	mustn't I have been embossing?
mustn't you have been embossing?
mustn't she have been embossing?
mustn't we have been embossing?
mustn't you have been embossing?
mustn't they have been embossing?