must overlearn
Verbo regular: overlearn - overlearned- overlearned

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I must overlearn
you must overlearn
he must overlearn
we must overlearn
you must overlearn
they must overlearn 	I must be overlearning
you must be overlearning
he must be overlearning
we must be overlearning
you must be overlearning
they must be overlearning	I must have overlearned
you must have overlearned
he must have overlearned
we must have overlearned
you must have overlearned
they must have overlearned	I must have been overlearning
you must have been overlearning
he must have been overlearning
we must have been overlearning
you must have been overlearning
they must have been overlearning	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I mustn't overlearn
you mustn't overlearn
he mustn't overlearn
we mustn't overlearn
you mustn't overlearn
they mustn't overlearn 	I mustn't be overlearning
you mustn't be overlearning
he mustn't be overlearning
we mustn't be overlearning
you mustn't be overlearning
they mustn't be overlearning	I mustn't have overlearned
you mustn't have overlearned
he mustn't have overlearned
we mustn't have overlearned
you mustn't have overlearned
they mustn't have overlearned	I mustn't have been overlearning
you mustn't have been overlearning
he mustn't have been overlearning
we mustn't have been overlearning
you mustn't have been overlearning
they mustn't have been overlearning	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
must I overlearn?
must you overlearn?
must he overlearn?
must we overlearn?
must you overlearn?
must they overlearn? 	must I be overlearning?
must you be overlearning?
must he be overlearning?
must we be overlearning?
must you be overlearning?
must they be overlearning? 	must I have overlearned?
must you have overlearned?
must he have overlearned?
must we have overlearned?
must you have overlearned?
must they have overlearned? 	must I have been overlearning?
must you have been overlearning?
must he have been overlearning?
must we have been overlearning?
must you have been overlearning?
must they have been overlearning? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
mustn't I overlearn?
mustn't you overlearn?
mustn't he overlearn?
mustn't we overlearn?
mustn't you overlearn?
mustn't they overlearn? 	mustn't I be overlearning?
mustn't you be overlearning?
mustn't he be overlearning?
mustn't we be overlearning?
mustn't you be overlearning?
mustn't they be overlearning? 	mustn't I have overlearned?
mustn't you have overlearned?
mustn't he have overlearned?
mustn't we have overlearned?
mustn't you have overlearned?
mustn't they have overlearned? 	mustn't I have been overlearning?
mustn't you have been overlearning?
mustn't he have been overlearning?
mustn't we have been overlearning?
mustn't you have been overlearning?
mustn't they have been overlearning?