must imperil
Verbo regular: imperil - imperilled- imperilled

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I must imperil
you must imperil
he must imperil
we must imperil
you must imperil
they must imperil 	I must be imperilling
you must be imperilling
he must be imperilling
we must be imperilling
you must be imperilling
they must be imperilling	I must have imperilled
you must have imperilled
he must have imperilled
we must have imperilled
you must have imperilled
they must have imperilled	I must have been imperilling
you must have been imperilling
he must have been imperilling
we must have been imperilling
you must have been imperilling
they must have been imperilling	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I must not imperil
you must not imperil
he must not imperil
we must not imperil
you must not imperil
they must not imperil 	I must not be imperilling
you must not be imperilling
he must not be imperilling
we must not be imperilling
you must not be imperilling
they must not be imperilling	I must not have imperilled
you must not have imperilled
he must not have imperilled
we must not have imperilled
you must not have imperilled
they must not have imperilled	I must not have been imperilling
you must not have been imperilling
he must not have been imperilling
we must not have been imperilling
you must not have been imperilling
they must not have been imperilling	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
must I imperil?
must you imperil?
must he imperil?
must we imperil?
must you imperil?
must they imperil? 	must I be imperilling?
must you be imperilling?
must he be imperilling?
must we be imperilling?
must you be imperilling?
must they be imperilling? 	must I have imperilled?
must you have imperilled?
must he have imperilled?
must we have imperilled?
must you have imperilled?
must they have imperilled? 	must I have been imperilling?
must you have been imperilling?
must he have been imperilling?
must we have been imperilling?
must you have been imperilling?
must they have been imperilling? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
must I not imperil?
must you not imperil?
must he not imperil?
must we not imperil?
must you not imperil?
must they not imperil? 	must I not be imperilling?
must you not be imperilling?
must he not be imperilling?
must we not be imperilling?
must you not be imperilling?
must they not be imperilling? 	must I not have imperilled?
must you not have imperilled?
must he not have imperilled?
must we not have imperilled?
must you not have imperilled?
must they not have imperilled? 	must I not have been imperilling?
must you not have been imperilling?
must he not have been imperilling?
must we not have been imperilling?
must you not have been imperilling?
must they not have been imperilling?