ought to backfire
Verbo regular: backfire - backfired- backfired

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I ought to backfire
you ought to backfire
he ought to backfire
we ought to backfire
you ought to backfire
they ought to backfire 	I ought to be backfiring
you ought to be backfiring
he ought to be backfiring
we ought to be backfiring
you ought to be backfiring
they ought to be backfiring	I ought to have backfired
you ought to have backfired
he ought to have backfired
we ought to have backfired
you ought to have backfired
they ought to have backfired	I ought to have been backfiring
you ought to have been backfiring
he ought to have been backfiring
we ought to have been backfiring
you ought to have been backfiring
they ought to have been backfiring	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I ought not to backfire
you ought not to backfire
he ought not to backfire
we ought not to backfire
you ought not to backfire
they ought not to backfire 	I ought not to backfiring
you ought not to backfiring
he ought not to backfiring
we ought not to backfiring
you ought not to backfiring
they ought not to backfiring	I ought not to have backfired
you ought not to have backfired
he ought not to have backfired
we ought not to have backfired
you ought not to have backfired
they ought not to have backfired	I ought not to have been backfiring
you ought not to have been backfiring
he ought not to have been backfiring
we ought not to have been backfiring
you ought not to have been backfiring
they ought not to have been backfiring	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
ought to I backfire?
ought to you backfire?
ought to he backfire?
ought to we backfire?
ought to you backfire?
ought to they backfire? 	ought to I be backfiring?
ought to you be backfiring?
ought to he be backfiring?
ought to we be backfiring?
ought to you be backfiring?
ought to they be backfiring? 	ought to I have backfired?
ought to you have backfired?
ought to he have backfired?
ought to we have backfired?
ought to you have backfired?
ought to they have backfired? 	ought to I have been backfiring?
ought to you have been backfiring?
ought to he have been backfiring?
ought to we have been backfiring?
ought to you have been backfiring?
ought to they have been backfiring? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
ought I not to backfire?
ought you not to backfire?
ought he not to backfire?
ought we not to backfire?
ought you not to backfire?
ought they not to backfire? 	ought I not to be backfiring?
ought you not to be backfiring?
ought he not to be backfiring?
ought we not to be backfiring?
ought you not to be backfiring?
ought they not to be backfiring? 	ought I not to have backfired?
ought you not to have backfired?
ought he not to have backfired?
ought we not to have backfired?
ought you not to have backfired?
ought they not to have backfired? 	ought I not to have been backfiring?
ought you not to have been backfiring?
ought he not to have been backfiring?
ought we not to have been backfiring?
ought you not to have been backfiring?
ought they not to have been backfiring?