shall riff
Verbe régulier : riff - riffed- riffed

Affirmation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I'll riff
you'll riff
he'll riff
we'll riff
you'll riff
they'll riff 	I'll be riffing
you'll be riffing
he'll be riffing
we'll be riffing
you'll be riffing
they'll be riffing	I'll have riffed
you'll have riffed
he'll have riffed
we'll have riffed
you'll have riffed
they'll have riffed	I'll have been riffing
you'll have been riffing
he'll have been riffing
we'll have been riffing
you'll have been riffing
they'll have been riffing	

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

Forme interrogative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
shall I riff?
shall you riff?
shall he riff?
shall we riff?
shall you riff?
shall they riff? 	shall I be riffing?
shall you be riffing?
shall he be riffing?
shall we be riffing?
shall you be riffing?
shall they be riffing? 	shall I have riffed?
shall you have riffed?
shall he have riffed?
shall we have riffed?
shall you have riffed?
shall they have riffed? 	shall I have been riffing?
shall you have been riffing?
shall he have been riffing?
shall we have been riffing?
shall you have been riffing?
shall they have been riffing? 	

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