must recertify
Verbo regular: recertify - recertified- recertified

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I must recertify
you must recertify
he must recertify
we must recertify
you must recertify
they must recertify 	I must be recertifying
you must be recertifying
he must be recertifying
we must be recertifying
you must be recertifying
they must be recertifying	I must have recertified
you must have recertified
he must have recertified
we must have recertified
you must have recertified
they must have recertified	I must have been recertifying
you must have been recertifying
he must have been recertifying
we must have been recertifying
you must have been recertifying
they must have been recertifying	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I must not recertify
you must not recertify
he must not recertify
we must not recertify
you must not recertify
they must not recertify 	I must not be recertifying
you must not be recertifying
he must not be recertifying
we must not be recertifying
you must not be recertifying
they must not be recertifying	I must not have recertified
you must not have recertified
he must not have recertified
we must not have recertified
you must not have recertified
they must not have recertified	I must not have been recertifying
you must not have been recertifying
he must not have been recertifying
we must not have been recertifying
you must not have been recertifying
they must not have been recertifying	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
must I recertify?
must you recertify?
must he recertify?
must we recertify?
must you recertify?
must they recertify? 	must I be recertifying?
must you be recertifying?
must he be recertifying?
must we be recertifying?
must you be recertifying?
must they be recertifying? 	must I have recertified?
must you have recertified?
must he have recertified?
must we have recertified?
must you have recertified?
must they have recertified? 	must I have been recertifying?
must you have been recertifying?
must he have been recertifying?
must we have been recertifying?
must you have been recertifying?
must they have been recertifying? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
must I not recertify?
must you not recertify?
must he not recertify?
must we not recertify?
must you not recertify?
must they not recertify? 	must I not be recertifying?
must you not be recertifying?
must he not be recertifying?
must we not be recertifying?
must you not be recertifying?
must they not be recertifying? 	must I not have recertified?
must you not have recertified?
must he not have recertified?
must we not have recertified?
must you not have recertified?
must they not have recertified? 	must I not have been recertifying?
must you not have been recertifying?
must he not have been recertifying?
must we not have been recertifying?
must you not have been recertifying?
must they not have been recertifying?