must gird
Verbo irregular: gird - girt, girded- girt, girded

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I must gird
you must gird
he must gird
we must gird
you must gird
they must gird 	I must be girding
you must be girding
he must be girding
we must be girding
you must be girding
they must be girding	I must have girt, girded
you must have girt, girded
he must have girt, girded
we must have girt, girded
you must have girt, girded
they must have girt, girded	I must have been girding
you must have been girding
he must have been girding
we must have been girding
you must have been girding
they must have been girding	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I mustn't gird
you mustn't gird
he mustn't gird
we mustn't gird
you mustn't gird
they mustn't gird 	I mustn't be girding
you mustn't be girding
he mustn't be girding
we mustn't be girding
you mustn't be girding
they mustn't be girding	I mustn't have girt, girded
you mustn't have girt, girded
he mustn't have girt, girded
we mustn't have girt, girded
you mustn't have girt, girded
they mustn't have girt, girded	I mustn't have been girding
you mustn't have been girding
he mustn't have been girding
we mustn't have been girding
you mustn't have been girding
they mustn't have been girding	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
must I gird?
must you gird?
must he gird?
must we gird?
must you gird?
must they gird? 	must I be girding?
must you be girding?
must he be girding?
must we be girding?
must you be girding?
must they be girding? 	must I have girt, girded?
must you have girt, girded?
must he have girt, girded?
must we have girt, girded?
must you have girt, girded?
must they have girt, girded? 	must I have been girding?
must you have been girding?
must he have been girding?
must we have been girding?
must you have been girding?
must they have been girding? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
mustn't I gird?
mustn't you gird?
mustn't he gird?
mustn't we gird?
mustn't you gird?
mustn't they gird? 	mustn't I be girding?
mustn't you be girding?
mustn't he be girding?
mustn't we be girding?
mustn't you be girding?
mustn't they be girding? 	mustn't I have girt, girded?
mustn't you have girt, girded?
mustn't he have girt, girded?
mustn't we have girt, girded?
mustn't you have girt, girded?
mustn't they have girt, girded? 	mustn't I have been girding?
mustn't you have been girding?
mustn't he have been girding?
mustn't we have been girding?
mustn't you have been girding?
mustn't they have been girding?