should recertify
Regular verb: recertify - recertified- recertified

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I'd recertify
you'd recertify
she'd recertify
we'd recertify
you'd recertify
they'd recertify 	I'd be recertifying
you'd be recertifying
she'd be recertifying
we'd be recertifying
you'd be recertifying
they'd be recertifying	I should've recertified
you should've recertified
she should've recertified
we should've recertified
you should've recertified
they should've recertified	I should've been recertifying
you should've been recertifying
she should've been recertifying
we should've been recertifying
you should've been recertifying
they should've been recertifying	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I shouldn't recertify
you shouldn't recertify
she shouldn't recertify
we shouldn't recertify
you shouldn't recertify
they shouldn't recertify 	I shouldn't be recertifying
you shouldn't be recertifying
she shouldn't be recertifying
we shouldn't be recertifying
you shouldn't be recertifying
they shouldn't be recertifying	I shouldn't have recertified
you shouldn't have recertified
she shouldn't have recertified
we shouldn't have recertified
you shouldn't have recertified
they shouldn't have recertified	I shouldn't have been recertifying
you shouldn't have been recertifying
she shouldn't have been recertifying
we shouldn't have been recertifying
you shouldn't have been recertifying
they shouldn't have been recertifying	

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

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
shouldn't I recertify?
shouldn't you recertify?
shouldn't she recertify?
shouldn't we recertify?
shouldn't you recertify?
shouldn't they recertify? 	shouldn't I be recertifying?
shouldn't you be recertifying?
shouldn't she be recertifying?
shouldn't we be recertifying?
shouldn't you be recertifying?
shouldn't they be recertifying? 	shouldn't I have recertified?
shouldn't you have recertified?
shouldn't she have recertified?
shouldn't we have recertified?
shouldn't you have recertified?
shouldn't they have recertified? 	shouldn't I have been recertifying?
shouldn't you have been recertifying?
shouldn't she have been recertifying?
shouldn't we have been recertifying?
shouldn't you have been recertifying?
shouldn't they have been recertifying?