could imperil
Verbo regular: imperil - imperilled- imperilled

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I could imperil
you could imperil
she could imperil
we could imperil
you could imperil
they could imperil 	I could be imperilling
you could be imperilling
she could be imperilling
we could be imperilling
you could be imperilling
they could be imperilling	I could have imperilled
you could have imperilled
she could have imperilled
we could have imperilled
you could have imperilled
they could have imperilled	I could have been imperilling
you could have been imperilling
she could have been imperilling
we could have been imperilling
you could have been imperilling
they could have been imperilling	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I could not imperil
you could not imperil
she could not imperil
we could not imperil
you could not imperil
they could not imperil 	I could not be imperilling
you could not be imperilling
she could not be imperilling
we could not be imperilling
you could not be imperilling
they could not be imperilling	I could not have imperilled
you could not have imperilled
she could not have imperilled
we could not have imperilled
you could not have imperilled
they could not have imperilled	I could not have been imperilling
you could not have been imperilling
she could not have been imperilling
we could not have been imperilling
you could not have been imperilling
they could not have been imperilling	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
could I imperil?
could you imperil?
could she imperil?
could we imperil?
could you imperil?
could they imperil? 	could I be imperilling?
could you be imperilling?
could she be imperilling?
could we be imperilling?
could you be imperilling?
could they be imperilling? 	could I have imperilled?
could you have imperilled?
could she have imperilled?
could we have imperilled?
could you have imperilled?
could they have imperilled? 	could I have been imperilling?
could you have been imperilling?
could she have been imperilling?
could we have been imperilling?
could you have been imperilling?
could they have been imperilling? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
could I not imperil?
could you not imperil?
could she not imperil?
could we not imperil?
could you not imperil?
could they not imperil? 	could I not be imperilling?
could you not be imperilling?
could she not be imperilling?
could we not be imperilling?
could you not be imperilling?
could they not be imperilling? 	could I not have imperilled?
could you not have imperilled?
could she not have imperilled?
could we not have imperilled?
could you not have imperilled?
could they not have imperilled? 	could I not have been imperilling?
could you not have been imperilling?
could she not have been imperilling?
could we not have been imperilling?
could you not have been imperilling?
could they not have been imperilling?