must begird
Verbo regular: begird - begirded- begirded

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I must begird
you must begird
he must begird
we must begird
you must begird
they must begird 	I must be begirding
you must be begirding
he must be begirding
we must be begirding
you must be begirding
they must be begirding	I must have begirded
you must have begirded
he must have begirded
we must have begirded
you must have begirded
they must have begirded	I must have been begirding
you must have been begirding
he must have been begirding
we must have been begirding
you must have been begirding
they must have been begirding	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I mustn't begird
you mustn't begird
he mustn't begird
we mustn't begird
you mustn't begird
they mustn't begird 	I mustn't be begirding
you mustn't be begirding
he mustn't be begirding
we mustn't be begirding
you mustn't be begirding
they mustn't be begirding	I mustn't have begirded
you mustn't have begirded
he mustn't have begirded
we mustn't have begirded
you mustn't have begirded
they mustn't have begirded	I mustn't have been begirding
you mustn't have been begirding
he mustn't have been begirding
we mustn't have been begirding
you mustn't have been begirding
they mustn't have been begirding	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
must I begird?
must you begird?
must he begird?
must we begird?
must you begird?
must they begird? 	must I be begirding?
must you be begirding?
must he be begirding?
must we be begirding?
must you be begirding?
must they be begirding? 	must I have begirded?
must you have begirded?
must he have begirded?
must we have begirded?
must you have begirded?
must they have begirded? 	must I have been begirding?
must you have been begirding?
must he have been begirding?
must we have been begirding?
must you have been begirding?
must they have been begirding? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
mustn't I begird?
mustn't you begird?
mustn't he begird?
mustn't we begird?
mustn't you begird?
mustn't they begird? 	mustn't I be begirding?
mustn't you be begirding?
mustn't he be begirding?
mustn't we be begirding?
mustn't you be begirding?
mustn't they be begirding? 	mustn't I have begirded?
mustn't you have begirded?
mustn't he have begirded?
mustn't we have begirded?
mustn't you have begirded?
mustn't they have begirded? 	mustn't I have been begirding?
mustn't you have been begirding?
mustn't he have been begirding?
mustn't we have been begirding?
mustn't you have been begirding?
mustn't they have been begirding?