Conjugaison du verbe anglais
SHALL RETROACT

Verbe régulier : retroact - retroacted - retroacted

Affirmation

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

Négation

Forme simple	Forme en V-ing
I shall not retroact you shall not retroact he shall not retroact we shall not retroact you shall not retroact they shall not retroact	I shall not be retroacting you shall not be retroacting he shall not be retroacting we shall not be retroacting you shall not be retroacting they shall not be retroacting
Perfect	Perfect en V-ing
I shall not have retroacted you shall not have retroacted he shall not have retroacted we shall not have retroacted you shall not have retroacted they shall not have retroacted	I shall not have been retroacting you shall not have been retroacting he shall not have been retroacting we shall not have been retroacting you shall not have been retroacting they shall not have been retroacting

Forme interrogative

Forme simple	Forme 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?
Perfect	Perfect en V-ing
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
shall I not retroact? shall you not retroact? shall he not retroact? shall we not retroact? shall you not retroact? shall they not retroact?	shall I not be retroacting? shall you not be retroacting? shall he not be retroacting? shall we not be retroacting? shall you not be retroacting? shall they not be retroacting?
Perfect	Perfect en V-ing
shall I not have retroacted? shall you not have retroacted? shall he not have retroacted? shall we not have retroacted? shall you not have retroacted? shall they not have retroacted?	shall I not have been retroacting? shall you not have been retroacting? shall he not have been retroacting? shall we not have been retroacting? shall you not have been retroacting? shall they not have been retroacting?