ought to recertify
Regular verb: recertify - recertified- recertified

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I ought to recertify
you ought to recertify
she ought to recertify
we ought to recertify
you ought to recertify
they ought to recertify 	I ought to be recertifying
you ought to be recertifying
she ought to be recertifying
we ought to be recertifying
you ought to be recertifying
they ought to be recertifying	I ought to have recertified
you ought to have recertified
she ought to have recertified
we ought to have recertified
you ought to have recertified
they ought to have recertified	I ought to have been recertifying
you ought to have been recertifying
she ought to have been recertifying
we ought to have been recertifying
you ought to have been recertifying
they ought to have been recertifying	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I ought not to recertify
you ought not to recertify
she ought not to recertify
we ought not to recertify
you ought not to recertify
they ought not to recertify 	I ought not to recertifying
you ought not to recertifying
she ought not to recertifying
we ought not to recertifying
you ought not to recertifying
they ought not to recertifying	I ought not to have recertified
you ought not to have recertified
she ought not to have recertified
we ought not to have recertified
you ought not to have recertified
they ought not to have recertified	I ought not to have been recertifying
you ought not to have been recertifying
she ought not to have been recertifying
we ought not to have been recertifying
you ought not to have been recertifying
they ought not to have been recertifying	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
ought to I recertify?
ought to you recertify?
ought to she recertify?
ought to we recertify?
ought to you recertify?
ought to they recertify? 	ought to I be recertifying?
ought to you be recertifying?
ought to she be recertifying?
ought to we be recertifying?
ought to you be recertifying?
ought to they be recertifying? 	ought to I have recertified?
ought to you have recertified?
ought to she have recertified?
ought to we have recertified?
ought to you have recertified?
ought to they have recertified? 	ought to I have been recertifying?
ought to you have been recertifying?
ought to she have been recertifying?
ought to we have been recertifying?
ought to you have been recertifying?
ought to they have been recertifying? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
ought I not to recertify?
ought you not to recertify?
ought she not to recertify?
ought we not to recertify?
ought you not to recertify?
ought they not to recertify? 	ought I not to be recertifying?
ought you not to be recertifying?
ought she not to be recertifying?
ought we not to be recertifying?
ought you not to be recertifying?
ought they not to be recertifying? 	ought I not to have recertified?
ought you not to have recertified?
ought she not to have recertified?
ought we not to have recertified?
ought you not to have recertified?
ought they not to have recertified? 	ought I not to have been recertifying?
ought you not to have been recertifying?
ought she not to have been recertifying?
ought we not to have been recertifying?
ought you not to have been recertifying?
ought they not to have been recertifying?