ought to witness
Verbe régulier : witness - witnessed- witnessed
Traduction française : être témoin de - témoigner 

Affirmation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I ought to witness
you ought to witness
she ought to witness
we ought to witness
you ought to witness
they ought to witness 	I ought to be witnessing
you ought to be witnessing
she ought to be witnessing
we ought to be witnessing
you ought to be witnessing
they ought to be witnessing	I ought to have witnessed
you ought to have witnessed
she ought to have witnessed
we ought to have witnessed
you ought to have witnessed
they ought to have witnessed	I ought to have been witnessing
you ought to have been witnessing
she ought to have been witnessing
we ought to have been witnessing
you ought to have been witnessing
they ought to have been witnessing	

Négation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I oughtn't to witness
you oughtn't to witness
she oughtn't to witness
we oughtn't to witness
you oughtn't to witness
they oughtn't to witness 	I oughtn't to be witnessing
you oughtn't to be witnessing
she oughtn't to be witnessing
we oughtn't to be witnessing
you oughtn't to be witnessing
they oughtn't to be witnessing	I oughtn't to have witnessed
you oughtn't to have witnessed
she oughtn't to have witnessed
we oughtn't to have witnessed
you oughtn't to have witnessed
they oughtn't to have witnessed	I oughtn't to have been witnessing
you oughtn't to have been witnessing
she oughtn't to have been witnessing
we oughtn't to have been witnessing
you oughtn't to have been witnessing
they oughtn't to have been witnessing	

Forme interrogative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
ought to I witness?
ought to you witness?
ought to she witness?
ought to we witness?
ought to you witness?
ought to they witness? 	ought to I be witnessing?
ought to you be witnessing?
ought to she be witnessing?
ought to we be witnessing?
ought to you be witnessing?
ought to they be witnessing? 	ought to I have witnessed?
ought to you have witnessed?
ought to she have witnessed?
ought to we have witnessed?
ought to you have witnessed?
ought to they have witnessed? 	ought to I have been witnessing?
ought to you have been witnessing?
ought to she have been witnessing?
ought to we have been witnessing?
ought to you have been witnessing?
ought to they have been witnessing? 	

Forme interro-négative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
oughtn't I to witness?
oughtn't you to witness?
oughtn't she to witness?
oughtn't we to witness?
oughtn't you to witness?
oughtn't they to witness? 	oughtn't I to be witnessing?
oughtn't you to be witnessing?
oughtn't she to be witnessing?
oughtn't we to be witnessing?
oughtn't you to be witnessing?
oughtn't they to be witnessing? 	oughtn't I to have witnessed?
oughtn't you to have witnessed?
oughtn't she to have witnessed?
oughtn't we to have witnessed?
oughtn't you to have witnessed?
oughtn't they to have witnessed? 	oughtn't I to have been witnessing?
oughtn't you to have been witnessing?
oughtn't she to have been witnessing?
oughtn't we to have been witnessing?
oughtn't you to have been witnessing?
oughtn't they to have been witnessing?