must overrefine
Verbo regular: overrefine - overrefined- overrefined

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I must overrefine
you must overrefine
he must overrefine
we must overrefine
you must overrefine
they must overrefine 	I must be overrefining
you must be overrefining
he must be overrefining
we must be overrefining
you must be overrefining
they must be overrefining	I must have overrefined
you must have overrefined
he must have overrefined
we must have overrefined
you must have overrefined
they must have overrefined	I must have been overrefining
you must have been overrefining
he must have been overrefining
we must have been overrefining
you must have been overrefining
they must have been overrefining	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I mustn't overrefine
you mustn't overrefine
he mustn't overrefine
we mustn't overrefine
you mustn't overrefine
they mustn't overrefine 	I mustn't be overrefining
you mustn't be overrefining
he mustn't be overrefining
we mustn't be overrefining
you mustn't be overrefining
they mustn't be overrefining	I mustn't have overrefined
you mustn't have overrefined
he mustn't have overrefined
we mustn't have overrefined
you mustn't have overrefined
they mustn't have overrefined	I mustn't have been overrefining
you mustn't have been overrefining
he mustn't have been overrefining
we mustn't have been overrefining
you mustn't have been overrefining
they mustn't have been overrefining	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
must I overrefine?
must you overrefine?
must he overrefine?
must we overrefine?
must you overrefine?
must they overrefine? 	must I be overrefining?
must you be overrefining?
must he be overrefining?
must we be overrefining?
must you be overrefining?
must they be overrefining? 	must I have overrefined?
must you have overrefined?
must he have overrefined?
must we have overrefined?
must you have overrefined?
must they have overrefined? 	must I have been overrefining?
must you have been overrefining?
must he have been overrefining?
must we have been overrefining?
must you have been overrefining?
must they have been overrefining? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
mustn't I overrefine?
mustn't you overrefine?
mustn't he overrefine?
mustn't we overrefine?
mustn't you overrefine?
mustn't they overrefine? 	mustn't I be overrefining?
mustn't you be overrefining?
mustn't he be overrefining?
mustn't we be overrefining?
mustn't you be overrefining?
mustn't they be overrefining? 	mustn't I have overrefined?
mustn't you have overrefined?
mustn't he have overrefined?
mustn't we have overrefined?
mustn't you have overrefined?
mustn't they have overrefined? 	mustn't I have been overrefining?
mustn't you have been overrefining?
mustn't he have been overrefining?
mustn't we have been overrefining?
mustn't you have been overrefining?
mustn't they have been overrefining?