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
he'd certificate
we'd certificate
you'd certificate
they'd certificate 	I'd be certificating
you'd be certificating
he'd be certificating
we'd be certificating
you'd be certificating
they'd be certificating	I should've certificated
you should've certificated
he 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
he 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
he 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
he 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
he 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
he 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 he certificate?
should we certificate?
should you certificate?
should they certificate? 	should I be certificating?
should you be certificating?
should he be certificating?
should we be certificating?
should you be certificating?
should they be certificating? 	should I have certificated?
should you have certificated?
should he 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 he 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 he 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 he 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 he 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 he have been certificating?
shouldn't we have been certificating?
shouldn't you have been certificating?
shouldn't they have been certificating?