should certificate
Verbe régulier : certificate - certificated- certificated

Affirmation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I'd certificate
you'd certificate
she'd certificate
we'd certificate
you'd certificate
they'd certificate 	I'd be certificating
you'd be certificating
she'd be certificating
we'd be certificating
you'd be certificating
they'd be certificating	I should've certificated
you should've certificated
she should've certificated
we should've certificated
you should've certificated
they should've certificated	I should've been certificating
you should've been certificating
she should've been certificating
we should've been certificating
you should've been certificating
they should've been certificating	

Négation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I shouldn't certificate
you shouldn't certificate
she shouldn't certificate
we shouldn't certificate
you shouldn't certificate
they shouldn't certificate 	I shouldn't be certificating
you shouldn't be certificating
she shouldn't be certificating
we shouldn't be certificating
you shouldn't be certificating
they shouldn't be certificating	I shouldn't have certificated
you shouldn't have certificated
she shouldn't have certificated
we shouldn't have certificated
you shouldn't have certificated
they shouldn't have certificated	I shouldn't have been certificating
you shouldn't have been certificating
she shouldn't have been certificating
we shouldn't have been certificating
you shouldn't have been certificating
they shouldn't have been certificating	

Forme interrogative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
should I certificate?
should you certificate?
should she certificate?
should we certificate?
should you certificate?
should they certificate? 	should I be certificating?
should you be certificating?
should she be certificating?
should we be certificating?
should you be certificating?
should they be certificating? 	should I have certificated?
should you have certificated?
should she have certificated?
should we have certificated?
should you have certificated?
should they have certificated? 	should I have been certificating?
should you have been certificating?
should she have been certificating?
should we have been certificating?
should you have been certificating?
should they have been certificating? 	

Forme interro-négative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
shouldn't I certificate?
shouldn't you certificate?
shouldn't she certificate?
shouldn't we certificate?
shouldn't you certificate?
shouldn't they certificate? 	shouldn't I be certificating?
shouldn't you be certificating?
shouldn't she be certificating?
shouldn't we be certificating?
shouldn't you be certificating?
shouldn't they be certificating? 	shouldn't I have certificated?
shouldn't you have certificated?
shouldn't she have certificated?
shouldn't we have certificated?
shouldn't you have certificated?
shouldn't they have certificated? 	shouldn't I have been certificating?
shouldn't you have been certificating?
shouldn't she have been certificating?
shouldn't we have been certificating?
shouldn't you have been certificating?
shouldn't they have been certificating?