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

Affirmation 	
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I'd backfire
you'd backfire
he'd backfire
we'd backfire
you'd backfire
they'd backfire 	I'd be backfiring
you'd be backfiring
he'd be backfiring
we'd be backfiring
you'd be backfiring
they'd be backfiring	I should've backfired
you should've backfired
he should've backfired
we should've backfired
you should've backfired
they should've backfired	I should've been backfiring
you should've been backfiring
he should've been backfiring
we should've been backfiring
you should've been backfiring
they should've been backfiring	

Négation 	
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I shouldn't backfire
you shouldn't backfire
he shouldn't backfire
we shouldn't backfire
you shouldn't backfire
they shouldn't backfire 	I shouldn't be backfiring
you shouldn't be backfiring
he shouldn't be backfiring
we shouldn't be backfiring
you shouldn't be backfiring
they shouldn't be backfiring	I shouldn't have backfired
you shouldn't have backfired
he shouldn't have backfired
we shouldn't have backfired
you shouldn't have backfired
they shouldn't have backfired	I shouldn't have been backfiring
you shouldn't have been backfiring
he shouldn't have been backfiring
we shouldn't have been backfiring
you shouldn't have been backfiring
they shouldn't have been backfiring	

Forme interrogative 	
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should I backfire?
should you backfire?
should he backfire?
should we backfire?
should you backfire?
should they backfire? 	should I be backfiring?
should you be backfiring?
should he be backfiring?
should we be backfiring?
should you be backfiring?
should they be backfiring? 	should I have backfired?
should you have backfired?
should he have backfired?
should we have backfired?
should you have backfired?
should they have backfired? 	should I have been backfiring?
should you have been backfiring?
should he have been backfiring?
should we have been backfiring?
should you have been backfiring?
should they have been backfiring? 	

Forme interro-négative 	
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shouldn't I backfire?
shouldn't you backfire?
shouldn't he backfire?
shouldn't we backfire?
shouldn't you backfire?
shouldn't they backfire? 	shouldn't I be backfiring?
shouldn't you be backfiring?
shouldn't he be backfiring?
shouldn't we be backfiring?
shouldn't you be backfiring?
shouldn't they be backfiring? 	shouldn't I have backfired?
shouldn't you have backfired?
shouldn't he have backfired?
shouldn't we have backfired?
shouldn't you have backfired?
shouldn't they have backfired? 	shouldn't I have been backfiring?
shouldn't you have been backfiring?
shouldn't he have been backfiring?
shouldn't we have been backfiring?
shouldn't you have been backfiring?
shouldn't they have been backfiring?