could recertify
Verbe régulier : recertify - recertified- recertified

Affirmation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I could recertify
you could recertify
she could recertify
we could recertify
you could recertify
they could recertify 	I could be recertifying
you could be recertifying
she could be recertifying
we could be recertifying
you could be recertifying
they could be recertifying	I could have recertified
you could have recertified
she could have recertified
we could have recertified
you could have recertified
they could have recertified	I could have been recertifying
you could have been recertifying
she could have been recertifying
we could have been recertifying
you could have been recertifying
they could have been recertifying	

Négation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I couldn't recertify
you couldn't recertify
she couldn't recertify
we couldn't recertify
you couldn't recertify
they couldn't recertify 	I couldn't be recertifying
you couldn't be recertifying
she couldn't be recertifying
we couldn't be recertifying
you couldn't be recertifying
they couldn't be recertifying	I couldn't have recertified
you couldn't have recertified
she couldn't have recertified
we couldn't have recertified
you couldn't have recertified
they couldn't have recertified	I couldn't have been recertifying
you couldn't have been recertifying
she couldn't have been recertifying
we couldn't have been recertifying
you couldn't have been recertifying
they couldn't have been recertifying	

Forme interrogative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
could I recertify?
could you recertify?
could she recertify?
could we recertify?
could you recertify?
could they recertify? 	could I be recertifying?
could you be recertifying?
could she be recertifying?
could we be recertifying?
could you be recertifying?
could they be recertifying? 	could I have recertified?
could you have recertified?
could she have recertified?
could we have recertified?
could you have recertified?
could they have recertified? 	could I have been recertifying?
could you have been recertifying?
could she have been recertifying?
could we have been recertifying?
could you have been recertifying?
could they have been recertifying? 	

Forme interro-négative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
couldn't I recertify?
couldn't you recertify?
couldn't she recertify?
couldn't we recertify?
couldn't you recertify?
couldn't they recertify? 	couldn't I be recertifying?
couldn't you be recertifying?
couldn't she be recertifying?
couldn't we be recertifying?
couldn't you be recertifying?
couldn't they be recertifying? 	couldn't I have recertified?
couldn't you have recertified?
couldn't she have recertified?
couldn't we have recertified?
couldn't you have recertified?
couldn't they have recertified? 	couldn't I have been recertifying?
couldn't you have been recertifying?
couldn't she have been recertifying?
couldn't we have been recertifying?
couldn't you have been recertifying?
couldn't they have been recertifying?