may backfire
Verbo regular: backfire - backfired- backfired

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I may backfire
you may backfire
he may backfire
we may backfire
you may backfire
they may backfire 	I may be backfiring
you may be backfiring
he may be backfiring
we may be backfiring
you may be backfiring
they may be backfiring	I may have backfired
you may have backfired
he may have backfired
we may have backfired
you may have backfired
they may have backfired	I may have been backfiring
you may have been backfiring
he may have been backfiring
we may have been backfiring
you may have been backfiring
they may have been backfiring	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I mayn't backfire
you mayn't backfire
he mayn't backfire
we mayn't backfire
you mayn't backfire
they mayn't backfire 	I mayn't be backfiring
you mayn't be backfiring
he mayn't be backfiring
we mayn't be backfiring
you mayn't be backfiring
they mayn't be backfiring	I mayn't have backfired
you mayn't have backfired
he mayn't have backfired
we mayn't have backfired
you mayn't have backfired
they mayn't have backfired	I mayn't have been backfiring
you mayn't have been backfiring
he mayn't have been backfiring
we mayn't have been backfiring
you mayn't have been backfiring
they mayn't have been backfiring	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
may I backfire?
may you backfire?
may he backfire?
may we backfire?
may you backfire?
may they backfire? 	may I be backfiring?
may you be backfiring?
may he be backfiring?
may we be backfiring?
may you be backfiring?
may they be backfiring? 	may I have backfired?
may you have backfired?
may he have backfired?
may we have backfired?
may you have backfired?
may they have backfired? 	may I have been backfiring?
may you have been backfiring?
may he have been backfiring?
may we have been backfiring?
may you have been backfiring?
may they have been backfiring? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
mayn't I backfire?
mayn't you backfire?
mayn't he backfire?
mayn't we backfire?
mayn't you backfire?
mayn't they backfire? 	mayn't I be backfiring?
mayn't you be backfiring?
mayn't he be backfiring?
mayn't we be backfiring?
mayn't you be backfiring?
mayn't they be backfiring? 	mayn't I have backfired?
mayn't you have backfired?
mayn't he have backfired?
mayn't we have backfired?
mayn't you have backfired?
mayn't they have backfired? 	mayn't I have been backfiring?
mayn't you have been backfiring?
mayn't he have been backfiring?
mayn't we have been backfiring?
mayn't you have been backfiring?
mayn't they have been backfiring?