can recertify
Verbo regular: recertify - recertified- recertified

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

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

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

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