must overlearn
Verbo regular: overlearn - overlearned- overlearned

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com 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	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I must not overlearn
you must not overlearn
he must not overlearn
we must not overlearn
you must not overlearn
they must not overlearn 	I must not be overlearning
you must not be overlearning
he must not be overlearning
we must not be overlearning
you must not be overlearning
they must not be overlearning	I must not have overlearned
you must not have overlearned
he must not have overlearned
we must not have overlearned
you must not have overlearned
they must not have overlearned	I must not have been overlearning
you must not have been overlearning
he must not have been overlearning
we must not have been overlearning
you must not have been overlearning
they must not have been overlearning	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com 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-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
must I not overlearn?
must you not overlearn?
must he not overlearn?
must we not overlearn?
must you not overlearn?
must they not overlearn? 	must I not be overlearning?
must you not be overlearning?
must he not be overlearning?
must we not be overlearning?
must you not be overlearning?
must they not be overlearning? 	must I not have overlearned?
must you not have overlearned?
must he not have overlearned?
must we not have overlearned?
must you not have overlearned?
must they not have overlearned? 	must I not have been overlearning?
must you not have been overlearning?
must he not have been overlearning?
must we not have been overlearning?
must you not have been overlearning?
must they not have been overlearning?