must beshrew
Regular verb: beshrew - beshrewed- beshrewed

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I must beshrew
you must beshrew
he must beshrew
we must beshrew
you must beshrew
they must beshrew 	I must be beshrewing
you must be beshrewing
he must be beshrewing
we must be beshrewing
you must be beshrewing
they must be beshrewing	I must have beshrewed
you must have beshrewed
he must have beshrewed
we must have beshrewed
you must have beshrewed
they must have beshrewed	I must have been beshrewing
you must have been beshrewing
he must have been beshrewing
we must have been beshrewing
you must have been beshrewing
they must have been beshrewing	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I mustn't beshrew
you mustn't beshrew
he mustn't beshrew
we mustn't beshrew
you mustn't beshrew
they mustn't beshrew 	I mustn't be beshrewing
you mustn't be beshrewing
he mustn't be beshrewing
we mustn't be beshrewing
you mustn't be beshrewing
they mustn't be beshrewing	I mustn't have beshrewed
you mustn't have beshrewed
he mustn't have beshrewed
we mustn't have beshrewed
you mustn't have beshrewed
they mustn't have beshrewed	I mustn't have been beshrewing
you mustn't have been beshrewing
he mustn't have been beshrewing
we mustn't have been beshrewing
you mustn't have been beshrewing
they mustn't have been beshrewing	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
must I beshrew?
must you beshrew?
must he beshrew?
must we beshrew?
must you beshrew?
must they beshrew? 	must I be beshrewing?
must you be beshrewing?
must he be beshrewing?
must we be beshrewing?
must you be beshrewing?
must they be beshrewing? 	must I have beshrewed?
must you have beshrewed?
must he have beshrewed?
must we have beshrewed?
must you have beshrewed?
must they have beshrewed? 	must I have been beshrewing?
must you have been beshrewing?
must he have been beshrewing?
must we have been beshrewing?
must you have been beshrewing?
must they have been beshrewing? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
mustn't I beshrew?
mustn't you beshrew?
mustn't he beshrew?
mustn't we beshrew?
mustn't you beshrew?
mustn't they beshrew? 	mustn't I be beshrewing?
mustn't you be beshrewing?
mustn't he be beshrewing?
mustn't we be beshrewing?
mustn't you be beshrewing?
mustn't they be beshrewing? 	mustn't I have beshrewed?
mustn't you have beshrewed?
mustn't he have beshrewed?
mustn't we have beshrewed?
mustn't you have beshrewed?
mustn't they have beshrewed? 	mustn't I have been beshrewing?
mustn't you have been beshrewing?
mustn't he have been beshrewing?
mustn't we have been beshrewing?
mustn't you have been beshrewing?
mustn't they have been beshrewing?