can recertify
Verbo regular: recertify - recertified- recertified

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I can recertify
you can recertify
she can recertify
we can recertify
you can recertify
they can recertify 	I can be recertifying
you can be recertifying
she can be recertifying
we can be recertifying
you can be recertifying
they can be recertifying	I can have recertified
you can have recertified
she 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
she can have been recertifying
we can have been recertifying
you can have been recertifying
they can have been recertifying	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I cannot recertify
you cannot recertify
she cannot recertify
we cannot recertify
you cannot recertify
they cannot recertify 	I cannot be recertifying
you cannot be recertifying
she cannot be recertifying
we cannot be recertifying
you cannot be recertifying
they cannot be recertifying	I cannot have recertified
you cannot have recertified
she 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
she cannot have been recertifying
we cannot have been recertifying
you cannot have been recertifying
they cannot have been recertifying	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
can I recertify?
can you recertify?
can she recertify?
can we recertify?
can you recertify?
can they recertify? 	can I be recertifying?
can you be recertifying?
can she be recertifying?
can we be recertifying?
can you be recertifying?
can they be recertifying? 	can I have recertified?
can you have recertified?
can she 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 she have been recertifying?
can we have been recertifying?
can you have been recertifying?
can they have been recertifying? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
can I not recertify?
can you not recertify?
can she 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 she 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 she 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 she not have been recertifying?
can we not have been recertifying?
can you not have been recertifying?
can they not have been recertifying?