ought to backfire
Verbe régulier : backfire - backfired- backfired
Traduction française : pétarader - avoir un effet inattendu 

Affirmation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I ought to backfire
you ought to backfire
she 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
she 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
she 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
she ought to have been backfiring
we ought to have been backfiring
you ought to have been backfiring
they ought to have been backfiring	

Négation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I oughtn't to backfire
you oughtn't to backfire
she oughtn't to backfire
we oughtn't to backfire
you oughtn't to backfire
they oughtn't to backfire 	I oughtn't to be backfiring
you oughtn't to be backfiring
she oughtn't to be backfiring
we oughtn't to be backfiring
you oughtn't to be backfiring
they oughtn't to be backfiring	I oughtn't to have backfired
you oughtn't to have backfired
she oughtn't to have backfired
we oughtn't to have backfired
you oughtn't to have backfired
they oughtn't to have backfired	I oughtn't to have been backfiring
you oughtn't to have been backfiring
she oughtn't to have been backfiring
we oughtn't to have been backfiring
you oughtn't to have been backfiring
they oughtn't to have been backfiring	

Forme interrogative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
ought to I backfire?
ought to you backfire?
ought to she 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 she 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 she 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 she have been backfiring?
ought to we have been backfiring?
ought to you have been backfiring?
ought to they have been backfiring? 	

Forme interro-négative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
oughtn't I to backfire?
oughtn't you to backfire?
oughtn't she to backfire?
oughtn't we to backfire?
oughtn't you to backfire?
oughtn't they to backfire? 	oughtn't I to be backfiring?
oughtn't you to be backfiring?
oughtn't she to be backfiring?
oughtn't we to be backfiring?
oughtn't you to be backfiring?
oughtn't they to be backfiring? 	oughtn't I to have backfired?
oughtn't you to have backfired?
oughtn't she to have backfired?
oughtn't we to have backfired?
oughtn't you to have backfired?
oughtn't they to have backfired? 	oughtn't I to have been backfiring?
oughtn't you to have been backfiring?
oughtn't she to have been backfiring?
oughtn't we to have been backfiring?
oughtn't you to have been backfiring?
oughtn't they to have been backfiring?