shall backfit
Verbe irrégulier : backfit - backfit, backfitted- backfit, backfitted

Affirmation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I shall backfit
you shall backfit
he shall backfit
we shall backfit
you shall backfit
they shall backfit 	I shall be backfiting
you shall be backfiting
he shall be backfiting
we shall be backfiting
you shall be backfiting
they shall be backfiting	I shall have backfit, backfitted
you shall have backfit, backfitted
he shall have backfit, backfitted
we shall have backfit, backfitted
you shall have backfit, backfitted
they shall have backfit, backfitted	I shall have been backfiting
you shall have been backfiting
he shall have been backfiting
we shall have been backfiting
you shall have been backfiting
they shall have been backfiting	

Négation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I shall not backfit
you shall not backfit
he shall not backfit
we shall not backfit
you shall not backfit
they shall not backfit 	I shall not be backfiting
you shall not be backfiting
he shall not be backfiting
we shall not be backfiting
you shall not be backfiting
they shall not be backfiting	I shall not have backfit, backfitted
you shall not have backfit, backfitted
he shall not have backfit, backfitted
we shall not have backfit, backfitted
you shall not have backfit, backfitted
they shall not have backfit, backfitted	I shall not have been backfiting
you shall not have been backfiting
he shall not have been backfiting
we shall not have been backfiting
you shall not have been backfiting
they shall not have been backfiting	

Forme interrogative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
shall I backfit?
shall you backfit?
shall he backfit?
shall we backfit?
shall you backfit?
shall they backfit? 	shall I be backfiting?
shall you be backfiting?
shall he be backfiting?
shall we be backfiting?
shall you be backfiting?
shall they be backfiting? 	shall I have backfit, backfitted?
shall you have backfit, backfitted?
shall he have backfit, backfitted?
shall we have backfit, backfitted?
shall you have backfit, backfitted?
shall they have backfit, backfitted? 	shall I have been backfiting?
shall you have been backfiting?
shall he have been backfiting?
shall we have been backfiting?
shall you have been backfiting?
shall they have been backfiting? 	

Forme interro-négative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
shall I not backfit?
shall you not backfit?
shall he not backfit?
shall we not backfit?
shall you not backfit?
shall they not backfit? 	shall I not be backfiting?
shall you not be backfiting?
shall he not be backfiting?
shall we not be backfiting?
shall you not be backfiting?
shall they not be backfiting? 	shall I not have backfit, backfitted?
shall you not have backfit, backfitted?
shall he not have backfit, backfitted?
shall we not have backfit, backfitted?
shall you not have backfit, backfitted?
shall they not have backfit, backfitted? 	shall I not have been backfiting?
shall you not have been backfiting?
shall he not have been backfiting?
shall we not have been backfiting?
shall you not have been backfiting?
shall they not have been backfiting?