will derail
Regular verb: derail - derailed- derailed

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I'll derail
you'll derail
he'll derail
we'll derail
you'll derail
they'll derail 	I'll be derailing
you'll be derailing
he'll be derailing
we'll be derailing
you'll be derailing
they'll be derailing	I'll have derailed
you'll have derailed
he'll have derailed
we'll have derailed
you'll have derailed
they'll have derailed	I'll have been derailing
you'll have been derailing
he'll have been derailing
we'll have been derailing
you'll have been derailing
they'll have been derailing	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I won't derail
you won't derail
he won't derail
we won't derail
you won't derail
they won't derail 	I won't be derailing
you won't be derailing
he won't be derailing
we won't be derailing
you won't be derailing
they won't be derailing	I won't have derailed
you won't have derailed
he won't have derailed
we won't have derailed
you won't have derailed
they won't have derailed	I won't have been derailing
you won't have been derailing
he won't have been derailing
we won't have been derailing
you won't have been derailing
they won't have been derailing	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
will I derail?
will you derail?
will he derail?
will we derail?
will you derail?
will they derail? 	will I be derailing?
will you be derailing?
will he be derailing?
will we be derailing?
will you be derailing?
will they be derailing? 	will I have derailed?
will you have derailed?
will he have derailed?
will we have derailed?
will you have derailed?
will they have derailed? 	will I have been derailing?
will you have been derailing?
will he have been derailing?
will we have been derailing?
will you have been derailing?
will they have been derailing? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
won't I derail?
won't you derail?
won't he derail?
won't we derail?
won't you derail?
won't they derail? 	won't I be derailing?
won't you be derailing?
won't he be derailing?
won't we be derailing?
won't you be derailing?
won't they be derailing? 	won't I have derailed?
won't you have derailed?
won't he have derailed?
won't we have derailed?
won't you have derailed?
won't they have derailed? 	won't I have been derailing?
won't you have been derailing?
won't he have been derailing?
won't we have been derailing?
won't you have been derailing?
won't they have been derailing?