can imperil
Regular verb: imperil - imperilled- imperilled

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I can imperil
you can imperil
he can imperil
we can imperil
you can imperil
they can imperil 	I can be imperilling
you can be imperilling
he can be imperilling
we can be imperilling
you can be imperilling
they can be imperilling	I can have imperilled
you can have imperilled
he can have imperilled
we can have imperilled
you can have imperilled
they can have imperilled	I can have been imperilling
you can have been imperilling
he can have been imperilling
we can have been imperilling
you can have been imperilling
they can have been imperilling	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I cannot imperil
you cannot imperil
he cannot imperil
we cannot imperil
you cannot imperil
they cannot imperil 	I cannot be imperilling
you cannot be imperilling
he cannot be imperilling
we cannot be imperilling
you cannot be imperilling
they cannot be imperilling	I cannot have imperilled
you cannot have imperilled
he cannot have imperilled
we cannot have imperilled
you cannot have imperilled
they cannot have imperilled	I cannot have been imperilling
you cannot have been imperilling
he cannot have been imperilling
we cannot have been imperilling
you cannot have been imperilling
they cannot have been imperilling	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
can I imperil?
can you imperil?
can he imperil?
can we imperil?
can you imperil?
can they imperil? 	can I be imperilling?
can you be imperilling?
can he be imperilling?
can we be imperilling?
can you be imperilling?
can they be imperilling? 	can I have imperilled?
can you have imperilled?
can he have imperilled?
can we have imperilled?
can you have imperilled?
can they have imperilled? 	can I have been imperilling?
can you have been imperilling?
can he have been imperilling?
can we have been imperilling?
can you have been imperilling?
can they have been imperilling? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
can I not imperil?
can you not imperil?
can he not imperil?
can we not imperil?
can you not imperil?
can they not imperil? 	can I not be imperilling?
can you not be imperilling?
can he not be imperilling?
can we not be imperilling?
can you not be imperilling?
can they not be imperilling? 	can I not have imperilled?
can you not have imperilled?
can he not have imperilled?
can we not have imperilled?
can you not have imperilled?
can they not have imperilled? 	can I not have been imperilling?
can you not have been imperilling?
can he not have been imperilling?
can we not have been imperilling?
can you not have been imperilling?
can they not have been imperilling?