must dig
Verbo irregular: dig - dug- dug

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con 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	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I must not dig
you must not dig
she must not dig
we must not dig
you must not dig
they must not dig 	I must not be digging
you must not be digging
she must not be digging
we must not be digging
you must not be digging
they must not be digging	I must not have dug
you must not have dug
she must not have dug
we must not have dug
you must not have dug
they must not have dug	I must not have been digging
you must not have been digging
she must not have been digging
we must not have been digging
you must not have been digging
they must not have been digging	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con 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-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
must I not dig?
must you not dig?
must she not dig?
must we not dig?
must you not dig?
must they not dig? 	must I not be digging?
must you not be digging?
must she not be digging?
must we not be digging?
must you not be digging?
must they not be digging? 	must I not have dug?
must you not have dug?
must she not have dug?
must we not have dug?
must you not have dug?
must they not have dug? 	must I not have been digging?
must you not have been digging?
must she not have been digging?
must we not have been digging?
must you not have been digging?
must they not have been digging?