shall retroact
Verbe régulier : retroact - retroacted- retroacted

Affirmation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I'll retroact
you'll retroact
he'll retroact
we'll retroact
you'll retroact
they'll retroact 	I'll be retroacting
you'll be retroacting
he'll be retroacting
we'll be retroacting
you'll be retroacting
they'll be retroacting	I'll have retroacted
you'll have retroacted
he'll have retroacted
we'll have retroacted
you'll have retroacted
they'll have retroacted	I'll have been retroacting
you'll have been retroacting
he'll have been retroacting
we'll have been retroacting
you'll have been retroacting
they'll have been retroacting	

Négation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I shan't retroact
you shan't retroact
he shan't retroact
we shan't retroact
you shan't retroact
they shan't retroact 	I shan't be retroacting
you shan't be retroacting
he shan't be retroacting
we shan't be retroacting
you shan't be retroacting
they shan't be retroacting	I shan't have retroacted
you shan't have retroacted
he shan't have retroacted
we shan't have retroacted
you shan't have retroacted
they shan't have retroacted	I shan't have been retroacting
you shan't have been retroacting
he shan't have been retroacting
we shan't have been retroacting
you shan't have been retroacting
they shan't have been retroacting	

Forme interrogative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
shall I retroact?
shall you retroact?
shall he retroact?
shall we retroact?
shall you retroact?
shall they retroact? 	shall I be retroacting?
shall you be retroacting?
shall he be retroacting?
shall we be retroacting?
shall you be retroacting?
shall they be retroacting? 	shall I have retroacted?
shall you have retroacted?
shall he have retroacted?
shall we have retroacted?
shall you have retroacted?
shall they have retroacted? 	shall I have been retroacting?
shall you have been retroacting?
shall he have been retroacting?
shall we have been retroacting?
shall you have been retroacting?
shall they have been retroacting? 	

Forme interro-négative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
shan't I retroact?
shan't you retroact?
shan't he retroact?
shan't we retroact?
shan't you retroact?
shan't they retroact? 	shan't I be retroacting?
shan't you be retroacting?
shan't he be retroacting?
shan't we be retroacting?
shan't you be retroacting?
shan't they be retroacting? 	shan't I have retroacted?
shan't you have retroacted?
shan't he have retroacted?
shan't we have retroacted?
shan't you have retroacted?
shan't they have retroacted? 	shan't I have been retroacting?
shan't you have been retroacting?
shan't he have been retroacting?
shan't we have been retroacting?
shan't you have been retroacting?
shan't they have been retroacting?