ought to riff
Verbe régulier : riff - riffed- riffed

Affirmation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I ought to riff
you ought to riff
she ought to riff
we ought to riff
you ought to riff
they ought to riff 	I ought to be riffing
you ought to be riffing
she ought to be riffing
we ought to be riffing
you ought to be riffing
they ought to be riffing	I ought to have riffed
you ought to have riffed
she ought to have riffed
we ought to have riffed
you ought to have riffed
they ought to have riffed	I ought to have been riffing
you ought to have been riffing
she ought to have been riffing
we ought to have been riffing
you ought to have been riffing
they ought to have been riffing	

Négation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I oughtn't to riff
you oughtn't to riff
she oughtn't to riff
we oughtn't to riff
you oughtn't to riff
they oughtn't to riff 	I oughtn't to be riffing
you oughtn't to be riffing
she oughtn't to be riffing
we oughtn't to be riffing
you oughtn't to be riffing
they oughtn't to be riffing	I oughtn't to have riffed
you oughtn't to have riffed
she oughtn't to have riffed
we oughtn't to have riffed
you oughtn't to have riffed
they oughtn't to have riffed	I oughtn't to have been riffing
you oughtn't to have been riffing
she oughtn't to have been riffing
we oughtn't to have been riffing
you oughtn't to have been riffing
they oughtn't to have been riffing	

Forme interrogative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
ought to I riff?
ought to you riff?
ought to she riff?
ought to we riff?
ought to you riff?
ought to they riff? 	ought to I be riffing?
ought to you be riffing?
ought to she be riffing?
ought to we be riffing?
ought to you be riffing?
ought to they be riffing? 	ought to I have riffed?
ought to you have riffed?
ought to she have riffed?
ought to we have riffed?
ought to you have riffed?
ought to they have riffed? 	ought to I have been riffing?
ought to you have been riffing?
ought to she have been riffing?
ought to we have been riffing?
ought to you have been riffing?
ought to they have been riffing? 	

Forme interro-négative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
oughtn't I to riff?
oughtn't you to riff?
oughtn't she to riff?
oughtn't we to riff?
oughtn't you to riff?
oughtn't they to riff? 	oughtn't I to be riffing?
oughtn't you to be riffing?
oughtn't she to be riffing?
oughtn't we to be riffing?
oughtn't you to be riffing?
oughtn't they to be riffing? 	oughtn't I to have riffed?
oughtn't you to have riffed?
oughtn't she to have riffed?
oughtn't we to have riffed?
oughtn't you to have riffed?
oughtn't they to have riffed? 	oughtn't I to have been riffing?
oughtn't you to have been riffing?
oughtn't she to have been riffing?
oughtn't we to have been riffing?
oughtn't you to have been riffing?
oughtn't they to have been riffing?