must dig
Verbo irregular: dig - dug- dug

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I must dig
you must dig
she must dig
we must dig
you must dig
they must dig 	I must be digging
you must be digging
she must be digging
we must be digging
you must be digging
they must be digging	I must have dug
you must have dug
she must have dug
we must have dug
you must have dug
they must have dug	I must have been digging
you must have been digging
she must have been digging
we must have been digging
you must have been digging
they must have been digging	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I mustn't dig
you mustn't dig
she mustn't dig
we mustn't dig
you mustn't dig
they mustn't dig 	I mustn't be digging
you mustn't be digging
she mustn't be digging
we mustn't be digging
you mustn't be digging
they mustn't be digging	I mustn't have dug
you mustn't have dug
she mustn't have dug
we mustn't have dug
you mustn't have dug
they mustn't have dug	I mustn't have been digging
you mustn't have been digging
she mustn't have been digging
we mustn't have been digging
you mustn't have been digging
they mustn't have been digging	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
must I dig?
must you dig?
must she dig?
must we dig?
must you dig?
must they dig? 	must I be digging?
must you be digging?
must she be digging?
must we be digging?
must you be digging?
must they be digging? 	must I have dug?
must you have dug?
must she have dug?
must we have dug?
must you have dug?
must they have dug? 	must I have been digging?
must you have been digging?
must she have been digging?
must we have been digging?
must you have been digging?
must they have been digging? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
mustn't I dig?
mustn't you dig?
mustn't she dig?
mustn't we dig?
mustn't you dig?
mustn't they dig? 	mustn't I be digging?
mustn't you be digging?
mustn't she be digging?
mustn't we be digging?
mustn't you be digging?
mustn't they be digging? 	mustn't I have dug?
mustn't you have dug?
mustn't she have dug?
mustn't we have dug?
mustn't you have dug?
mustn't they have dug? 	mustn't I have been digging?
mustn't you have been digging?
mustn't she have been digging?
mustn't we have been digging?
mustn't you have been digging?
mustn't they have been digging?